Forest protection device for excavator
By installing multiple protective structures and a rotating, openable protective door on the excavator, the problem of excavator damage due to trees in forest conditions is solved, achieving all-round protection and convenient escape for the excavator.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANZHONG JIANJI CO LTD
- Filing Date
- 2025-03-06
- Publication Date
- 2026-05-19
AI Technical Summary
Excavators are prone to damage to their side doors and cabs from falling trees when operating in forest conditions. Existing devices cannot effectively protect against this, resulting in damage to the vehicle body.
Multiple protective structures are designed, including the first to fourth protective structures, which are respectively set in different positions of the excavator. Rotatable protective doors and escape devices are used to prevent trees from damaging the excavator body and cab.
It provides multi-directional protection for the excavator, facilitates entry and exit and escape, prevents foreign objects from entering, and improves the safety and working efficiency of the excavator.
Smart Images

Figure CN224259495U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of excavator technology, specifically an excavator forest protection device. Background Technology
[0002] Excavators, as the most widely used construction machinery, play an important role in mines, construction, urban planning and other places. The protection requirements for excavators are different under different working conditions. In forest conditions, the side doors and cab of excavators are easily damaged by falling trees when they are working. In order to avoid such situations, a device is needed to protect the excavator and prevent trees from damaging the vehicle body.
[0003] Therefore, designing a device to protect excavators and facilitate entry, exit, and escape is the problem the inventors are trying to solve. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a forest protection device for excavators, which can improve the accuracy of oil replenishment control to prevent cavitation and improve work efficiency with fast response speed.
[0005] The technical solution adopted by this utility model device is: a forest protection device for excavators, which includes a first protective structure, a second protective structure, a third protective structure, and a fourth protective structure. The first protective structure, the second protective structure, the third protective structure, and the fourth protective structure are all arranged around the excavator frame. The first protective structure is arranged at the right edge of the excavator, the second protective structure is arranged at the top of the rear end of the excavator, the third protective structure is arranged at the left edge of the excavator, and the fourth protective structure is arranged outside the excavator cab.
[0006] Furthermore, the first protective structure includes a first frame, a first sealing plate is provided on the inner side of the first frame, a second sealing plate is provided on the side of the first sealing plate, a first protective door is provided on the side of the second sealing plate, and the first protective door is connected to the first frame by a hinge.
[0007] Furthermore, the front end of the first frame is provided with a right-angle bend structure, and the edge of the first protective door is provided with a first door lock and is connected to the first frame through the door lock.
[0008] Furthermore, the second protective structure includes a second frame, and a second protective door and a third protective door are provided on the inner side of the second frame. The second protective door and the third protective door are both hinged to the second frame.
[0009] Furthermore, the third protective door includes a third frame, with a top plate on the inner side of the third frame and a hollow support structure at the edge of the third frame.
[0010] Furthermore, the fourth protective structure includes a cab protection and a left front protection, with the end of the cab protection connected to the left front protection.
[0011] Furthermore, an escape device is hinged to the inner upper part of the cab protection.
[0012] Furthermore, the escape device includes a flip door, a pin, an escape hatch, and a limiting block. The escape hatch is located at the upper end of the cab protection. The inner edge of the escape hatch is provided with symmetrically distributed limiting blocks. The inside of the escape hatch is rotatably provided with a flip door via a pin. The end of the flip door overlaps and contacts the limiting block.
[0013] The beneficial effects of this utility model device are:
[0014] 1. This utility model adopts a multi-directional protective structure to protect the excavator body and cab. At the same time, the protective structure adopts a rotating and opening protective door to facilitate the opening of the left and right doors of the excavator. Furthermore, the escape device is set up without affecting the escape, and it can also prevent foreign objects from entering the air inlet and outlet, thus realizing the functions of protecting the excavator and facilitating entry, exit and escape. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the assembly structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the first protective structure of this utility model.
[0017] Figure 3 This is a schematic diagram of the second protective structure of this utility model.
[0018] Figure 4 This is a schematic diagram of the third protective structure of this utility model.
[0019] Figure 5 This is a schematic diagram of the fourth protective structure of this utility model.
[0020] Explanation of reference numerals in the attached drawings: 1-First protective structure; 2-Third protective structure; 3-Second protective structure; 4-Fourth protective structure; 201-First frame; 202-First sealing plate; 203-Second sealing plate; 204-First protective door; 301-Second frame; 302-Second protective door; 303-Third protective door; 401-Third frame; 402-Top plate; 501-Cab protection; 502-Left front protection. Detailed Implementation
[0021] The present invention will be further described below with reference to specific embodiments. These embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.
[0022] Example 1: See Figures 1 to 5 This utility model includes schematic diagrams of the assembly structure, the first protective structure 1, the second protective structure 3, the third protective structure 2, and the fourth protective structure 4. It describes a forest protection device for an excavator, comprising the first protective structure 1, the second protective structure 3, the third protective structure 2, and the fourth protective structure 4. All four structures are positioned around the excavator frame. The first protective structure 1 is located at the right edge of the excavator, the second protective structure 3 is located at the top of the rear end of the excavator, the third protective structure 2 is located at the left edge of the excavator, and the fourth protective structure 4 is located outside the excavator's cab. The first protective structure 1 is bolted to the right side of the slewing platform, protecting the right-side door and fuel tank. The second protective structure 3 is bolted to the left side of the slewing platform, protecting the left front door and left rear door. The third protective structure 2 is fixed to the frame of the first and second protective structures 1 and 3, protecting the excavator's upper cover and counterweight. The fourth protective structure 4 is fixed to the front of the slewing platform and the second frame 301, forming protection for the front and top of the cab.
[0023] The first protective structure 1 includes a first frame 201, a first sealing plate 202 is provided on the inner side of the first frame 201, a second sealing plate 203 is provided on the side of the first sealing plate 202, and a first protective door 204 is provided on the side of the second sealing plate 203. The first protective door 204 is connected to the first frame 201 by a hinge, so that the first protective door 204 can be opened at a reasonable angle without obstructing the opening of the right side door of the excavator. The front end of the first frame 201 is provided with a right-angle bending structure, and a first door lock is provided at the edge of the first protective door 204 and is connected to the first frame 201 through the door lock.
[0024] The second protective structure 3 includes a second frame 301. A second protective door 302 and a third protective door 303 are provided on the inner side of the second frame 301. A limit block is provided on the second frame 301. The second protective door 302 and the third protective door 303 are hinged to the second frame 301. The second protective door 302 and the third protective door 303 can be opened to a certain angle without obstructing the opening of the left door of the excavator. At the same time, these two protective doors are limited by the limit block fixed on the second frame 301. The second protective door 302 and the third protective door 303 are equipped with spring pins to facilitate the opening and closing of the protective doors.
[0025] The third protective door 303 includes a third frame 401, with a top plate 402 on the inner side of the third frame 401. A hollow support structure is provided at the edge of the third frame 401. The structures at both ends can effectively prevent the excavator from sucking some impurities into the excavator.
[0026] The fourth protective structure 4 includes a cab protection 501 and a left front protection 502. The end of the cab protection 501 is connected to the left front protection 502. An escape device is hinged to the inner side of the upper end of the cab protection 501. The escape device includes a flip door, a pin, an escape opening, and a limiting block. The escape opening is located at the upper end of the cab protection 501. The inner edge of the escape opening is provided with symmetrically distributed limiting blocks. The flip door is rotatably installed inside the escape opening through the pin. The end of the flip door overlaps and contacts the limiting block. In case of emergency, the driver can leave the excavator through the escape device.
[0027] This utility model adopts a multi-directional protective structure to protect the excavator body and cab. At the same time, the protective structure uses a rotating protective door to facilitate the opening of the excavator's left and right doors. Furthermore, an escape device is set up without affecting escape, and it can also prevent foreign objects from entering the air inlet and outlet ports, thus realizing the functions of protecting the excavator and facilitating entry, exit, and escape.
Claims
1. A forest protection device for excavators, characterized in that: The system includes a first protective structure (1), a second protective structure (3), a third protective structure (2), and a fourth protective structure (4). All four structures are located around the excavator frame. The first protective structure (1) is located at the right edge of the excavator, the second protective structure (3) is located at the top of the rear end of the excavator, the third protective structure (2) is located at the left edge of the excavator, and the fourth protective structure (4) is located outside the excavator's cab. The protective structure (4) includes a cab protection (501) and a left front protection (502). The end of the cab protection (501) is connected to the left front protection (502). An escape device is hinged to the inner side of the upper end of the cab protection (501). The escape device includes a flip door, a pin, an escape opening, and a limiting block. The escape opening is located at the upper end of the cab protection (501). A symmetrically distributed limiting block is provided at the inner edge of the escape opening. A flip door is rotatably provided inside the escape opening through a pin. The end of the flip door overlaps and contacts the limiting block.
2. A forest protection device for an excavator according to claim 1, characterized in that The first protective structure (1) includes a first frame (201), a first sealing plate (202) is provided on the inner side of the first frame (201), a second sealing plate (203) is provided on the side of the first sealing plate (202), a first protective door (204) is provided on the side of the second sealing plate (203), and the first protective door (204) is connected to the first frame (201) by a hinge.
3. A forest protection device for an excavator according to claim 2, characterized in that: The front end of the first frame (201) is provided with a right-angle bend structure, and the edge of the first protective door (204) is provided with a first door lock and is connected to the first frame (201) through the door lock.
4. A forest protection device for an excavator according to claim 1, characterized in that: The second protective structure (3) includes a second frame (301), and a second protective door (302) and a third protective door (303) are provided on the inner side of the second frame (301). The second protective door (302) and the third protective door (303) are hinged to the second frame (301) by hinges.
5. A forest protection device for an excavator according to claim 4, characterized in that: The third protective door (303) includes a third frame (401), a top plate (402) is provided on the inner side of the third frame (401), and a hollow support structure is provided at the edge of the third frame (401).