Anti-collision beam structure of excavator
By using a separate design for the inner and outer anti-collision beams, the outer anti-collision beam can be disassembled and absorbs impact force, solving the problem of difficulty in replacing the anti-collision beam after it is damaged in the existing technology, and improving the working efficiency and maintenance convenience of the excavator.
Patent Information
- Application Number
- CN202422927823.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Existing excavator anti-collision beams are difficult to repair after damage, resulting in a large amount of replacement work and reducing the working efficiency of excavators.
The design incorporates a separate structure of inner and outer anti-collision beams. The outer anti-collision beam is detachable and absorbs impact force through buffer bars and buffer springs. When damaged, only the outer anti-collision beam needs to be replaced. The inner anti-collision beam is connected and fixed to the excavator.
It reduces the workload of replacing the anti-collision beam, improves the working efficiency of the excavator, and enhances the practicality of the device by reminding maintenance needs through a triggering device.
Smart Images

Figure CN223593463U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of anti-collision beam, specifically excavator anti-collision beam structure. BACKGROUND
[0002] The excavator platform is the body bearing mechanism of the excavator, and the side beam is installed on the side wall of the excavator platform, since the working environment of the excavator is harsh, thus the side beam on the excavator is easy to be collided when the excavator platform rotates, and the internal parts of the side beam of the excavator platform are easy to be damaged, in order to prevent the side beam of the excavator platform from being damaged and causing the internal parts of the side beam to be damaged, the side beam of the excavator platform is generally welded with an anti-collision piece.
[0003] The anti-collision beam is fixed on the excavator, when the anti-collision beam is damaged by collision, the anti-collision beam needs to be disassembled by the staff, then timely repair and replace the new anti-collision beam to play the anti-collision effect, the existing anti-collision beam is generally welded on the side beam of the excavator platform, when the anti-collision beam is damaged, it is not easy to repair, the workload of replacing the anti-collision beam is large and the working efficiency of the excavator is reduced.
[0004] Therefore, the utility model provides an excavator anti-collision beam structure to solve the above problems. UTILITY MODEL CONTENT
[0005] (I) technical problems solved
[0006] The utility model provides an excavator anti-collision beam structure, which aims to solve the existing problems in the background art.
[0007] (II) technical scheme
[0008] The utility model provides an inner anticollision beam, both side surfaces of the inner anticollision beam are fixedly installed with extension plate, one side of the inner anticollision beam is provided with outer anticollision beam, both side surfaces of both sides extension plate are fixedly installed with telescopic column, one end of two telescopic columns is fixedly installed with mounting plate, the side surface of mounting plate is fixedly installed with connecting guide block, both ends of outer anticollision beam are all set up with connecting slot, connecting guide block is matched with connecting slot, both sides of the side surface of extension plate are all set up with first sliding slot, the inside fixed mounting of first sliding slot has cross column, the outer surface sliding connection of cross column has buffer block, the side surface of buffer block is rotatably connected with buffer lever through hinged seat, both sides of the side surface of mounting plate are all set up with recess, the other end of buffer lever is rotatably connected in recess, both side surfaces of mounting plate are fixedly installed with hinged piece, the surface rotatable connection of hinged piece has side baffle, the surface of side baffle is screwed through the connection of connecting bolt, both side surfaces of mounting plate are all set up with threaded hole, connecting bolt is matched with threaded hole, the side surface of buffer block is fixedly installed with first buffer spring, first buffer spring is fixedly installed in the inside wall of first sliding slot, the outer surface of two telescopic columns is provided with third buffer spring.
[0009] As a preferred technical solution of the present application, a second sliding slot is formed above the first sliding slot, a pushing block is fixedly installed on the upper surface of the buffer block, a driven column is slidingly connected to both sides of the inside of the mounting plate, a clamping block is fixedly installed on one end of the driven column, and a return spring is fixedly installed on the side surface of the clamping block.
[0010] As a preferred technical solution of the present application, the return spring is fixedly installed on the inside wall of the second sliding slot, a trigger head is fixedly installed on one end of the driven column, and a gong plate is fixedly installed on both side surfaces of the mounting plate through a support.
[0011] As a preferred technical solution of the present application, an arc-shaped plate is arranged inside the outer anticollision beam, an arc-shaped block is lapped on one side surface of the arc-shaped plate, a connecting column is fixedly installed on one side surface of the arc-shaped block, and the connecting column is slidingly connected to the surface of the inner anticollision beam.
[0012] As a preferred technical solution of the present application, a fixing plate is fixedly installed inside the inner anticollision beam, the connecting column is slidingly connected to the surface of the fixing plate, a second buffer spring is fixedly installed on one end of the connecting column, and one end of the second buffer spring is fixedly installed on the surface of the fixing plate.
[0013] As a preferred technical solution of the present application, a plurality of assembly grooves are formed on the outer surface of the outer anticollision beam, and a reinforcing rib is welded in the inside of each assembly groove.
[0014] (Three) beneficial effects
[0015] The anti-collision beam structure is divided into an inner anti-collision beam and an outer anti-collision beam, the inner anti-collision beam is connected with the excavator through welding, the outer anti-collision beam can be detached from one side of the inner anti-collision beam, the outer anti-collision beam drives the buffer rod to move when impacted, the buffer rod drives the buffer block to move and extrude the first buffer spring on one side, the impact force is absorbed through the first buffer spring to protect the inner anti-collision beam and the excavator body, when damaged, the outer anti-collision beam can be detached from the surface of the mounting plate and replaced with a new outer anti-collision beam, the overall anti-collision beam structure does not need to be replaced and repaired, the work amount required for replacing the anti-collision beam is greatly reduced, and the working efficiency of the excavator is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of an excavator anti-collision beam structure.
[0017] Figure 2 It is a structural schematic view of a side view section of an excavator anti-collision beam structure.
[0018] Figure 3 It is an exploded structural schematic view of an inner anti-collision beam and an outer anti-collision beam of an excavator anti-collision beam structure.
[0019] Figure 4 It is an enlarged structural schematic view of A in the excavator anti-collision beam structure. Figure 3
[0020] Figure 5 It is an enlarged structural schematic view of B in the excavator anti-collision beam structure. Figure 3
[0021] In the figure:
[0022] 1, inner anti-collision beam; 2, extension plate; 3, outer anti-collision beam; 4, telescopic column; 5, mounting plate; 6, connecting guide block; 7, buffer block; 8, buffer rod; 9, side baffle; 10, connecting bolt; 11, first buffer spring; 12, pushing block; 13, driven column; 14, return spring; 15, gong plate; 16, connecting column; 17, second buffer spring; 18, reinforcing rib; 19, third buffer spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] The utility model provides a kind of excavator anti-collision beam structure, including inner anti-collision beam 1, the surface of both sides of inner anti-collision beam 1 is fixedly installed with extension plate 2, the side of inner anti-collision beam 1 is provided with outer anti-collision beam 3, the surface of both sides of both sides extension plate 2 is fixedly installed with telescopic column 4, one end of two telescopic columns 4 is fixedly installed with mounting plate 5, the side surface of mounting plate 5 is fixedly installed with connecting guide block 6, the both ends of outer anti-collision beam 3 are all set with connecting slot, connecting guide block 6 is compatible with connecting slot, the both sides of one side surface of extension plate 2 are all set with first sliding slot, the inside of first sliding slot is fixedly installed with cross column, the outer surface of cross column is slidably connected with buffer block 7, the both sides of one side surface of mounting plate 5 are all set with recess, the other end of buffer rod 8 is rotatably connected in the inside of recess, the both side surfaces of mounting plate 5 are all fixedly installed with hinged part, the surface of hinged part is rotatably connected with side baffle 9, the surface of side baffle 9 is screw-threaded penetratedly connected with connecting bolt 10, the both side surfaces of mounting plate 5 are all set with threaded hole, connecting bolt 10 is compatible with threaded hole, the one side surface of buffer block 7 is fixedly installed with first buffer spring 11, first buffer spring 11 is fixedly installed in the inside wall of first sliding slot, the outer surface of two telescopic columns 4 is provided with third buffer spring 19.
[0025] Outer anti-collision beam 3 is arranged in the outermost part, the impact of outside is first collided with outer anti-collision beam 3, outer anti-collision beam 3 is connected with mounting plate 5, when outer anti-collision beam 3 is impacted, it will drive mounting plate 5 to move synchronously, mounting plate 5 drives the movement of one side buffer rod 8, buffer rod 8 moves and drives buffer block 7 to slide on the outer surface of cross column, extrudes first buffer spring 11 on one side in the process of sliding on the outer surface of cross column, and the buffer force is absorbed by first buffer spring 11, so as to reduce the impact force received by outer anti-collision beam 3.
[0026] When outer anti-collision beam 3 is damaged and needs to be replaced, first rotate the connecting bolt 10 on both sides, so that the connecting bolt 10 is separated from the threaded hole, then rotate the side baffle 9 through the hinged part, so that the side baffle 9 is separated from the both sides of the mounting plate 5, then pull the outer anti-collision beam 3 to slide to one side, so that the outer anti-collision beam 3 is separated from the surface of the mounting plate 5 and the connecting guide block 6, so as to complete the disassembly operation of the outer anti-collision beam 3, which is convenient for workers to replace the new outer anti-collision beam 3, when damaged, the overall anti-collision beam structure does not need to be replaced for repair, which greatly reduces the work amount required for replacing the anti-collision beam, and improves the working efficiency of the excavator.
[0027] The upper portion of the first sliding groove is provided with a second sliding groove, the upper surface of the buffer block 7 is fixedly provided with a pushing block 12, both sides of the inside of the mounting plate 5 are slidably connected with a driven column 13, one end of the driven column 13 is fixedly provided with a clamping block, the side surface of the clamping block is fixedly provided with a reset spring 14, the reset spring 14 is fixedly installed on the inner side wall of the second sliding groove, one end of the driven column 13 is fixedly provided with a trigger head, both side surfaces of the mounting plate 5 are fixedly provided with a gong plate 15 through a support.
[0028] When the buffer block 7 is forced to slide, the first buffer spring 11 is pressed, the buffer block 7 drives the upper surface of the pushing block 12 to move, the pushing block 12 is pressed after sliding for a distance, which indicates that the outer anti-collision beam 3 has been subjected to a large impact force, the driven column 13 drives the trigger head at one end to move, the trigger head collides with the gong plate 15 to emit a sound, reminding the staff that the outer anti-collision beam 3 has been subjected to a large impact force, so that the staff checks the outer anti-collision beam 3 to see whether it can continue to be used, thereby improving the practicability of the device.
[0029] The inside of the outer anti-collision beam 3 is provided with an arc-shaped plate, the side surface of the arc-shaped plate is overlapped with an arc-shaped block, the side surface of the arc-shaped block is fixedly provided with a connecting column 16, the connecting column 16 is slidably connected to the surface of the inner anti-collision beam 1, the inside of the inner anti-collision beam 1 is fixedly provided with a fixed plate, the connecting column 16 is slidably connected to the surface of the fixed plate, one end of the connecting column 16 is fixedly provided with a second buffer spring 17, one end of the second buffer spring 17 is fixedly installed on the surface of the fixed plate.
[0030] When the outer anti-collision beam 3 is forced to move, the arc-shaped plate is driven to move, the arc-shaped plate drives the arc-shaped block to move, the arc-shaped block drives the connecting column 16 to slide on the surface of the fixed plate, and the connecting column 16 drives the second buffer spring 17 to deform in the process of sliding, thereby guaranteeing the effect of stress buffering of the middle portion of the outer anti-collision beam 3.
[0031] The outer surface of the outer anti-collision beam 3 is provided with a plurality of assembly grooves, and a reinforcing rib 18 is welded in the plurality of assembly grooves.
[0032] The reinforcing rib 18 can improve the strength of the outer anti-collision beam 3, and can also change the contact mode of the collision object and the anti-collision beam, the reinforcing rib 18 will first contact the collision object, disperses the impact force to multiple directions, and increases the friction force, so that the collision object is more easily blocked.
[0033] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A boom structure for a digging machine comprising an inner boom (1), characterized in that: Both side surfaces of the inner anti-collision beam (1) are fixedly installed with extension plates (2), one side of the inner anti-collision beam (1) is provided with an outer anti-collision beam (3), both side surfaces of the extension plates (2) are fixedly installed with telescopic columns (4), one end of the telescopic columns (4) is fixedly installed with mounting plates (5), the side surface of the mounting plate (5) is fixedly installed with a connecting guide block (6), both ends of the outer anti-collision beam (3) are provided with connecting clamping grooves, the connecting guide block (6) is matched with the connecting clamping grooves, both side surfaces of the extension plate (2) are provided with first sliding grooves, the inside of the first sliding grooves is fixedly installed with cross columns, the outer surface of the cross column is slidably connected with a buffer block (7), one side surface of the buffer block (7) is rotatably connected with a buffer rod (8) through a hinge seat, both side surfaces of the mounting plate (5) are provided with recesses, the other end of the buffer rod (8) is rotatably connected in the recess, both side surfaces of the mounting plate (5) are fixedly installed with hinge pieces, the surface of the hinge piece is rotatably connected with a side baffle (9), the surface of the side baffle (9) is threadedly penetrated and connected with a connecting bolt (10), both side surfaces of the mounting plate (5) are provided with threaded holes, the connecting bolt (10) is matched with the threaded holes, one side surface of the buffer block (7) is fixedly installed with a first buffer spring (11), the first buffer spring (11) is fixedly installed on the inside wall of the first sliding groove, the outer surface of the telescopic column (4) is provided with a third buffer spring (19).
2. The excavator anti-collision beam structure of claim 1, wherein: The upper part of the first sliding groove is provided with a second sliding groove, the upper surface of the buffer block (7) is fixedly installed with a pushing block (12), both sides of the inside of the mounting plate (5) are slidably connected with driven columns (13), one end of the driven column (13) is fixedly installed with a clamping block, the side surface of the clamping block is fixedly installed with a reset spring (14).
3. A boom structure according to claim 2, wherein: The reset spring (14) is fixedly installed on the inside wall of the second sliding groove, one end of the driven column (13) is fixedly installed with a trigger head, both side surfaces of the mounting plate (5) are fixedly installed with copper gong plates (15) through supports.
4. The excavator anti-collision beam structure of claim 1, wherein: The inside of the outer anti-collision beam (3) is provided with an arc-shaped plate, one side surface of the arc-shaped plate is overlapped with an arc-shaped block, one side surface of the arc-shaped block is fixedly installed with a connecting column (16), the connecting column (16) is slidably penetrated and connected on the surface of the inner anti-collision beam (1).
5. A boom structure according to claim 4, wherein: The inside of the inner anti-collision beam (1) is fixedly installed with a fixed plate, the connecting column (16) is slidably penetrated and connected on the surface of the fixed plate, one end of the connecting column (16) is fixedly installed with a second buffer spring (17), one end of the second buffer spring (17) is fixedly installed on the surface of the fixed plate.
6. The excavator anti-collision beam structure of claim 1, wherein: The outer surface of the outer anti-collision beam (3) is provided with a plurality of assembly grooves, a plurality of the assembly grooves are welded with reinforcing ribs (18).