Scarifier carried on excavator

By designing a combination of a retractable soil ripping component and a fixed arc plate, the excavator soil ripper can be flexibly switched between multi-tooth and single-tooth configurations, solving the problem of inflexible switching in existing technologies and improving the excavator's applicability and efficiency.

CN224063552UActive Publication Date: 2026-03-31YANTAI YIMING MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing excavator rippers cannot be flexibly switched between single-tooth and multi-tooth configurations depending on the working conditions, resulting in inconvenience in use.

Method used

A ripper mounted on an excavator was designed. Through the combination of a telescopic ripping component and a fixed arc plate, it can be switched between a single-tooth or multi-tooth ripper without disassembly. The conversion between multi-tooth and single-tooth rippers is achieved by the cooperation of the moving arc plate of the telescopic ripping component and the fixed arc plate.

Benefits of technology

It enables flexible switching according to different soil conditions. The multi-tooth design is suitable for loosening large areas of soft soil, while the single-tooth design is suitable for breaking up hard soil, thus improving the excavator's flexibility and efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224063552U_ABST
    Figure CN224063552U_ABST
Patent Text Reader

Abstract

The utility model discloses a scarifier carried on an excavator, which belongs to the technical field of scarifiers and comprises a bottom connecting plate and supporting rods welded on two sides of the top of the bottom connecting plate, a top connecting plate is fixedly mounted at the tops of the supporting rods, and hinge lugs used for being connected with an external excavator are symmetrically welded at the top of the top connecting plate. A fixed arc-shaped plate is fixedly installed in the center of the bottom of the bottom connecting plate, one end of the fixed arc-shaped plate is sleeved with a first soil loosening tooth tip used for making contact with soil and conducting crushing and scarification, and the first soil loosening tooth tip is positioned on the fixed arc-shaped plate through a bolt; telescopic soil loosening assemblies are arranged on the two sides of the bottom connecting plate and the two sides of the top connecting plate, standby soil loosening tooth top assemblies are arranged on the top of the bottom connecting plate, and after moving arc-shaped plates on the telescopic soil loosening assemblies descend, the scarifier carried on the excavator can form a multi-tooth scarifier, otherwise, the scarifier can form a single-tooth scarifier. The device can be used according to occasions and is flexible.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a ripper mounted on an excavator, belonging to the field of ripper technology. Background Technology

[0002] An excavator ripper is a working device on an excavator used to loosen and break up materials such as soil and rocks. Depending on the application and model, excavator rippers can be divided into excavator rippers and bulldozer rippers (the latter also known as tail hooks). Excavator rippers are usually installed on the excavator, while bulldozer rippers are installed on the bulldozer. The working principle of an excavator ripper mainly relies on the excavator's hydraulic system and the power of the boom and arm. When the power of the excavator's boom and arm is embedded in a rock crack, the hydraulic cylinder pushes the connecting rod and tooth tip downward, thereby loosening and breaking up the material. At the same time, by adjusting the operating angle and force of the excavator, different depths and widths of loosening can be achieved.

[0003] Existing excavator rippers can be divided into single-tooth and multi-tooth types. Single-tooth rippers are generally suitable for harder soil or rock layers, and their force is more concentrated. Multi-tooth rippers are generally suitable for softer conditions. Existing rippers are generally inconvenient to switch between single-tooth and multi-tooth types depending on the situation. Therefore, we propose a ripper that can be mounted on an excavator. Utility Model Content

[0004] The purpose of this invention is to provide a ripper mounted on an excavator to solve the above problems. It can be switched between a single-tooth ripper and a multi-tooth ripper according to different working conditions without disassembly or replacement, making it more flexible in use.

[0005] This utility model achieves the above-mentioned objectives through the following technical solution: a ripper mounted on an excavator, comprising a bottom connecting plate and support rods welded to the top two sides of the bottom connecting plate. A top connecting plate is fixedly installed on the top of the support rods. The top of the top connecting plate is symmetrically welded with hinge lugs for connecting to an external excavator. A fixed arc plate is fixedly installed at the center of the bottom of the bottom connecting plate. One end of the fixed arc plate is sleeved with a first ripping tooth tip for contacting the soil and breaking and loosening it. The first ripping tooth tip is positioned on the fixed arc plate by bolts. Retractable ripping components are provided on both sides of the bottom connecting plate and both sides of the top connecting plate. A spare ripping tooth tip component is provided on the top of the bottom connecting plate.

[0006] Preferably, in order to increase the stability of the L-shaped support plate, the retractable soil loosening component includes an L-shaped support plate welded to both sides of the bottom connecting plate and both sides of the top connecting plate, a reinforcing triangular plate is fixedly connected to one side of the L-shaped support plate, and a rectangular hole is opened on one end of the L-shaped support plate.

[0007] Preferably, in order to enable the second loosening tooth tip to cooperate with the movable arc plate, a rectangular plate is inserted through the rectangular hole, a connecting seat is welded to one end of the rectangular plate, a movable arc plate is fixedly installed at one end of the connecting seat, and a second loosening tooth tip for contacting the soil and breaking and loosening is sleeved on one end of the movable arc plate.

[0008] Preferably, in order to increase the stability during connection, the tip of the second loosening tooth is positioned on the movable arc plate by bolts, and a reinforcing rib is installed on one end of the movable arc plate, and one end of the reinforcing rib is fixed to the connecting seat.

[0009] Preferably, in order to move the connecting seat, a telescopic cylinder is fixedly connected to the bottom of one end of the L-shaped support plate, the output end of the telescopic cylinder passes through the L-shaped support plate, and a connecting seat is fixed to one end of the telescopic cylinder.

[0010] Preferably, in order to allow the rectangular plate to rise and fall, one end of the connecting seat is fixed to the other end of the rectangular plate, and a reinforcing stabilizing rod is fixed to the top of the movable arc plate.

[0011] Preferably, in order to allow the reinforcing stabilizing rod to move within the limiting seat, side plates are fixedly connected to both sides of the bottom connecting plate and both sides of the top connecting plate. A limiting seat with a limiting hole is welded to the outer side wall of one end of the side plate, and one end of the reinforcing stabilizing rod passes through the limiting hole on the limiting seat.

[0012] Preferably, in order to position the spare soil loosening tooth tip, the spare soil loosening tooth tip assembly includes an arc-shaped seat fixed to the top of the bottom connecting plate, the spare soil loosening tooth tip is sleeved on the arc-shaped seat, and the spare soil loosening tooth tip is connected to the arc-shaped seat by a limiting screw.

[0013] The beneficial effects of this utility model are as follows: By providing a retractable soil loosening component and a fixed arc plate, the retractable soil loosening component consists of two sets. The movable arc plate on the retractable soil loosening component descends to one side of the fixed arc plate. The two movable arc plates and the fixed arc plate can form a multi-tooth soil loosener. The multi-tooth soil loosener is more suitable for softer soil or occasions requiring large-area loosening. If the movable arc plate on the retractable soil loosening component rises, the fixed arc plate can form a single-tooth soil loosener. The single-tooth design makes the force more concentrated, thus having a higher digging and breaking capacity. It does not require disassembly or replacement and is more flexible in use. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the retractable soil loosening component in this utility model when it is stored.

[0016] Figure 3 This is a schematic diagram of the installation of the fixed arc plate in this utility model.

[0017] Figure 4 This is a schematic diagram of the retractable soil loosening component in this utility model.

[0018] Figure 5 This is a schematic diagram of the installation of the triangular reinforcing plate in this utility model.

[0019] Figure 6 This is a schematic diagram of the installation of the spare soil loosening tooth tip in this utility model.

[0020] In the diagram: 1. Bottom connecting plate; 2. Support rod; 3. Top connecting plate; 4. Hinge lug; 5. Fixed arc plate; 6. First loosening tooth tip; 7. Telescopic loosening assembly; 701. L-shaped support plate; 702. Reinforcing triangular plate; 703. Rectangular plate; 704. Connecting seat; 705. Movable arc plate; 706. Second loosening tooth tip; 707. Reinforcing rib; 708. Telescopic cylinder; 709. Connecting seat; 710. Reinforcing stabilizing rod; 711. Side plate; 712. Limiting seat; 8. Loosening tooth tip assembly; 801. Arc seat; 802. Spare loosening tooth tip; 803. Limiting screw. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-6As shown, a ripper mounted on an excavator includes a bottom connecting plate 1 and support rods 2 welded to the top two sides of the bottom connecting plate 1. A top connecting plate 3 is fixedly installed on the top of the support rods 2. The top of the top connecting plate 3 has symmetrically welded hinge lugs 4 for connecting to an external excavator. A fixed arc-shaped plate 5 is fixedly installed at the center of the bottom of the bottom connecting plate 1. One end of the fixed arc-shaped plate 5 is sleeved with a first ripping tooth tip 6 for contacting the soil and breaking and loosening it. The first ripping tooth tip 6 is positioned on the fixed arc-shaped plate 5 by bolts. The sides of the bottom connecting plate 1 and the sides of the top connecting plate 3 are also included. All are equipped with a retractable soil loosening component 7, and a spare soil loosening tooth tip component 8 is provided on the top of the bottom connecting plate 1. When using the soil loosener mounted on the excavator, the user can first connect the hinged lug 4 to the external excavator. Then, the power provided by the excavator can make the first soil loosening tooth tip 6 and the fixed arc plate 5 drill into the soil, achieving the function of breaking and turning the soil. The first soil loosening tooth tip 6 is connected to the fixed arc plate 5 by bolts. When the first soil loosening tooth tip 6 is damaged, it can be easily replaced. After the movable arc plate 705 on the retractable soil loosening component 7 is lowered, a multi-tooth soil loosener can be formed.

[0023] The retractable soil loosening component 7 includes L-shaped support plates 701 welded to both sides of the bottom connecting plate 1 and both sides of the top connecting plate 3. A reinforcing triangular plate 702 is fixedly connected to one side of the L-shaped support plate 701. A rectangular hole is opened on one end of the L-shaped support plate 701, and a rectangular plate 703 passes through the rectangular hole. A connecting seat 704 is welded to one end of the rectangular plate 703. A movable arc-shaped plate 705 is fixedly installed on one end of the connecting seat 704. A second soil loosening tooth tip 706 for contacting the soil and breaking and loosening it is sleeved on one end of the movable arc-shaped plate 705, and the second soil loosening tooth tip 706 is positioned on the movable arc-shaped plate 705 by bolts. A [missing information - likely a device or component] is installed on one end of the movable arc-shaped plate 705. A reinforcing rib 707 is fixed at one end to a connecting seat 704. A telescopic cylinder 708 is fixedly connected to the bottom of one end of an L-shaped support plate 701. The output end of the telescopic cylinder 708 passes through the L-shaped support plate 701. A connecting seat 709 is fixed to one end of the telescopic cylinder 708. One end of the connecting seat 709 is fixed to the other end of a rectangular plate 703. A reinforcing stabilizing rod 710 is fixed to the top of a movable arc plate 705. Side plates 711 are fixedly connected to both sides of the bottom connecting plate 1 and both sides of the top connecting plate 3. A limiting seat 712 with a limiting hole is welded to the outer side wall of one end of the side plate 711. One end of the reinforcing stabilizing rod 710 passes through the limiting hole on the limiting seat 712.

[0024] When the movable arc plate 705 is located on one side of the fixed arc plate 5, since the movable arc plate 705 and the fixed arc plate 5 are evenly distributed in a straight line, a multi-tooth ripper is formed. If the movable arc plate 705 needs to be displaced, the user can activate the telescopic cylinder 708 to drive the connecting seat 709 to rise. At this time, the connecting seat 709 can drive the rectangular plate 703 to rise, which in turn can drive the connecting seat 704, the movable arc plate 705, and the reinforcing rib 707 to rise. When the movable arc plate 705 rises, it can drive the reinforcing stabilizing rod 710 to rise. When the reinforcing stabilizing rod 710 rises, it can slide in the limiting hole in the limiting seat 712. After the movable arc plate 705 drives the second ripper tooth tip 706 to rise, the fixed arc plate 5 and the first ripper tooth tip 6 form a single-tooth ripper.

[0025] The spare soil loosening tooth tip assembly 8 includes an arc-shaped seat 801 fixed to the top of the bottom connecting plate 1. A spare soil loosening tooth tip 802 is sleeved on the arc-shaped seat 801. The spare soil loosening tooth tip 802 is connected to the arc-shaped seat 801 by a limiting screw 803. When the first soil loosening tooth tip 6 or the second soil loosening tooth tip 706 is damaged, the user can remove the limiting screw 803. After releasing the limiting of the spare soil loosening tooth tip 802, the user can remove the spare soil loosening tooth tip 802. Then the spare soil loosening tooth tip 802 can be installed on one end of the fixed arc-shaped plate 5 or the movable arc-shaped plate 705.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A ripper to be mounted on a shovel, characterized by: The utility model provides a kind of excavator connecting device, including bottom connecting plate (1) and support rod (2) welded on the top of the bottom connecting plate (1) two sides, the top of the support rod (2) is fixedly installed with top connecting plate (3), the top of the top connecting plate (3) is symmetrically welded with hinged ear seat (4) for connecting outside excavator, the bottom of the bottom connecting plate (1) is fixedly installed with fixed arc plate (5) in the center position, one end of the fixed arc plate (5) is sleeved with first soil loosening tooth tip (6) for contacting and breaking and loosening soil, and the first soil loosening tooth tip (6) is positioned on the fixed arc plate (5) by bolt, the two sides of the bottom connecting plate (1) and the two sides of the top connecting plate (3) are provided with telescopic soil loosening assembly (7), and the top of the bottom connecting plate (1) is provided with spare soil loosening tooth tip assembly (8).

2. The ripper mounted on the excavator according to claim 1, characterized by: The telescopic soil loosening assembly (7) includes L-shaped support plate (701) welded on the two sides of the bottom connecting plate (1) and the two sides of the top connecting plate (3), one side of the L-shaped support plate (701) is fixedly connected with reinforcing triangular plate (702), and a rectangular hole is formed in one end of the L-shaped support plate (701).

3. The ripper bar for a backhoe loader as set forth in claim 2, characterized by: A rectangular plate (703) is arranged in the rectangular hole, a connecting seat (704) is welded on one end of the rectangular plate (703), a movable arc plate (705) is fixedly installed on one end of the connecting seat (704), and a second soil loosening tooth tip (706) for contacting and breaking and loosening soil is sleeved on one end of the movable arc plate (705).

4. The ripper bar for a backhoe loader as set forth in claim 3, characterized by: The second soil loosening tooth tip (706) is positioned on the movable arc plate (705) by bolt, and a reinforcing rib (707) is installed on one end of the movable arc plate (705), and one end of the reinforcing rib (707) is fixed with the connecting seat (704).

5. The ripper bar for a backhoe loader as set forth in claim 4, characterized by: A telescopic oil cylinder (708) is fixedly connected to the bottom of one end of the L-shaped support plate (701), the output end of the telescopic oil cylinder (708) penetrates the L-shaped support plate (701), and a link seat (709) is fixed on one end of the telescopic oil cylinder (708).

6. The ripper bar for a backhoe loader as set forth in claim 5, characterized by: One end of the link seat (709) is fixed with the other end of the rectangular plate (703), and a reinforcing stabilizing rod (710) is fixed to the top of the movable arc plate (705).

7. The ripper bar for a backhoe loader as set forth in claim 6, characterized by: Side plates (711) are fixedly connected to the two sides of the bottom connecting plate (1) and the two sides of the top connecting plate (3), a limiting seat (712) with a limiting hole is welded on the outer side wall of one end of the side plate (711), and one end of the reinforcing stabilizing rod (710) penetrates the limiting hole in the limiting seat (712).

8. The ripper bar for a backhoe loader as set forth in claim 1, characterized by: The spare soil loosening tooth tip assembly (8) includes an arc seat (801) fixed on the top of the bottom connecting plate (1), a spare soil loosening tooth tip (802) is sleeved on the arc seat (801), and the spare soil loosening tooth tip (802) is connected to the arc seat (801) by a limiting screw (803).