Hood for excavator
By designing a detachable excavator hood structure, the problem of inconvenient disassembly and maintenance caused by the back of the power system being obstructed was solved, enabling a convenient disassembly and maintenance process.
Patent Information
- Application Number
- CN202520382898.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The back of components such as the power system on existing excavator hoods is easily obscured, making disassembly and maintenance inconvenient.
An excavator hood has been designed, comprising a base, hood, handrail, door panel, protective mechanism, ventilation mesh panel, and installation mechanism. The door panel can be opened by pulling the handle, and the hood can be detached and unfolded by the cooperation of threaded rod and U-shaped plate, thus avoiding obstruction of the back.
It enables convenient disassembly and maintenance of components such as the excavator's power system, improving maintenance efficiency.
Smart Images

Figure CN223867330U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of excavator technology, and in particular to an excavator hood. Background Technology
[0002] The excavator hood frame is a structure that provides support and protection for the excavator's power, hydraulic, and other system components. It is located behind the hydraulic oil tank, on the upper frame, and in front of the counterweight. In addition to providing basic support for the excavator hood, existing excavator hood frames also provide support and protection for the excavator's power, hydraulic, and electrical system components.
[0003] For example, a hood for an excavator with publication number "CN216839654U" solves the problem of damage to the engine hood caused by the free fall of the hood due to the weight of the engine. This is achieved by incorporating a protective coating mechanism and an annular mounting base located below the first and second hoods. The annular mounting base has a first hinge post and a second hinge post arranged opposite each other. The first hood is hinged to the first hinge post, and the second hood is hinged to the second hinge post. A locking mechanism is provided on the inner sidewall of the closed area between the first and second hoods. The locking mechanism includes a lock body on the first hood and a latch on the second hood, enabling convenient opening of the hood by the operator. However, considering that the existing excavator hoods use the rotation of the annular mounting base at the lower end of the first and second hoods to control the opening and closing mechanism, the first and second hoods on the mounting base restrict the movement of components such as the power system, obstructing the back of these components and limiting disassembly and maintenance. Summary of the Invention
[0004] This invention aims to solve the problems existing in the prior art by providing a machine cover for excavators, which prevents the back of components such as the power system from being obstructed, making disassembly and maintenance more convenient.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows:
[0006] Design an excavator hood, including a base and a hood, the upper end of the base is fixedly connected to the hood, the upper end of the hood is fixedly connected to a handrail, the inner wall of the base is machined with an opening, the outer wall of the hood is fitted with a door panel, the surface of the door panel is fitted with a handle, and the front end of the hood is connected to a protective mechanism.
[0007] Further improvements include a fixing screw, the end of which is threadedly connected to the machine cover, the outer wall of which is threadedly connected to the fixing frame, and the inner wall of the fixing frame being fixedly connected to the protective rod.
[0008] Further improvements include the installation of a breathable mesh panel on the outer wall of the machine cover, and the connection of an installation mechanism to the outer wall of the machine cover.
[0009] Further improvements include a mounting frame, the end of which is fixedly connected to the machine cover, the inner wall of which is rotatably connected to a support frame, and the surface of which is machined with fixing holes.
[0010] Further improvements include a base whose lower end is fixedly connected to a fixing plate, a fixing plate whose inner wall is threadedly connected to a threaded rod, and a threaded rod whose end is rotatably connected to a U-shaped plate.
[0011] Further improvements were made, such that the outer wall of the U-shaped plate abuts against the connecting cap.
[0012] The beneficial effects of this utility model are as follows: With this utility model, the operator can pull the handle to open the door panel from the machine cover, allowing personnel to enter the machine cover and expose the excavator parts. The operator can also use tools to turn the threaded rod, which causes the U-shaped plate to detach from the welded connecting cap of the excavator. After that, the fixing frame on the machine cover can be deflected on the support frame, so that the lower end of the machine cover is fully exposed, avoiding back obstruction and making disassembly and maintenance more convenient. Attached Figure Description
[0013] Figure 1 This is a three-dimensional schematic diagram of the present invention;
[0014] Figure 2 for Figure 1 A frontal sectional view;
[0015] Figure 3 for Figure 2 A side sectional view;
[0016] Figure 4 for Figure 2 Enlarged sectional view of part A in the middle:
[0017] Figure 5 for Figure 2 Enlarged sectional view of section B:
[0018] Figure 6 for Figure 1 Enlarged cross-sectional view of the central protective structure.
[0019] Explanation of reference numerals in the attached drawings: 1. Base, 2. Cover, 3. Handrail, 4. Opening, 5. Door panel, 6. Handle, 7. Protective mechanism, 701. Fixing screw, 702. Fixing frame, 703. Protective rod, 8. Ventilation mesh, 9. Installation mechanism, 901. Fixing bracket, 902. Support bracket, 903. Fixing hole, 10. Fixing plate, 11. Threaded rod, 12. U-shaped plate, 13. Connecting cap. Detailed Implementation
[0020] The present invention will be further described below with reference to the accompanying drawings:
[0021] Example 1:
[0022] See attached document Figure 1-6 In this embodiment, an excavator cover includes a base 1 and a cover 2. The upper end of the base 1 is fixedly connected to the cover 2, and the upper end of the cover 2 is fixedly connected to a handrail 3. An opening 4 is machined on the inner wall of the base 1, a door panel 5 is installed on the outer wall of the cover 2, a handle 6 is installed on the surface of the door panel 5, and a protective mechanism 7 is connected to the front end of the cover 2.
[0023] The protective mechanism 7 includes a fixing screw 701, which can intercept external objects through the protective rod 703 on the fixing frame 702, thus achieving a protective effect. The end of the fixing screw 701 is threadedly connected to the cover 2, the outer wall of the fixing screw 701 is threadedly connected to the fixing frame 702, and the inner wall of the fixing frame 702 is fixedly connected to the protective rod 703.
[0024] The outer wall of the machine cover 2 is equipped with a breathable mesh plate 8. The outer wall of the machine cover 2 is connected to an installation mechanism 9. The installation mechanism 9 includes a fixing frame 901. The fixing frame 901 rotates on the support frame 902, so that the machine cover 2 on the fixing frame 901 can continue to be fully unfolded and installed. The end of the fixing frame 901 is fixedly connected to the machine cover 2. The inner wall of the fixing frame 901 is rotatably connected to the support frame 902. The surface of the support frame 902 is machined with fixing holes 903.
[0025] The operator pulls handle 6 to open door panel 5 from hood 2, allowing personnel to enter hood 2 and expose excavator parts. The operator can also use tools to turn threaded rod 11. After threaded rod 11 causes U-shaped plate 12 to detach from the welded connecting cap 13 on the excavator, the fixing bracket 901 on hood 2 can deflect on support bracket 902, exposing the entire lower end of hood 2 and preventing obstruction of the back, making disassembly and maintenance more convenient.
[0026] The lower end of the base 1 is fixedly connected to the fixing plate 10. The inner wall of the fixing plate 10 is threadedly connected to the threaded rod 11. The end of the threaded rod 11 is rotatably connected to the U-shaped plate 12. The outer wall of the U-shaped plate 12 is pressed against the connecting cap 13.
[0027] Working principle:
[0028] By using fixing screws 701 to pass through fixing frame 702 and hood 2, fixing frame 702 and hood 2 are secured together. The aluminum alloy guard bar 703 on fixing frame 702 can intercept large objects flying from the front of the front window, preventing external objects from contacting the engine during excavator operation and improving the safety of the engine inside hood 2. When disassembling and repairing, the operator pulls handle 6 to open door panel 5 from hood 2, allowing personnel to enter hood 2 and expose excavator parts. Using tools, the threaded rod 11 is turned. After the threaded rod 11 causes U-shaped plate 12 to detach from the welded connecting cap 13 of the excavator, the fixing bracket 901 on hood 2 can deflect on support bracket 902, exposing the entire lower end of hood 2. This facilitates the repair of excavator parts at the lower end of hood 2. When the fixing holes 903 on support bracket 902 are removed from the excavator, hood 2 can also be removed from the excavator.
[0029] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.
Claims
1. A hood for an excavator, comprising a base (1) and a hood (2), wherein the upper end of the base (1) is fixedly connected to the hood (2), characterized in that: The upper end of the cover (2) is fixedly connected to the handrail (3), the inner wall of the base (1) is machined with an opening (4), the outer wall of the cover (2) is fitted with a door panel (5), the surface of the door panel (5) is fitted with a handle (6), and the front end of the cover (2) is connected with a protective mechanism (7).
2. The excavator hood according to claim 1, characterized in that: The protective mechanism (7) includes a fixing screw (701), the end of which is threadedly connected to the cover (2), the outer wall of which is threadedly connected to the fixing frame (702), and the inner wall of which is fixedly connected to the protective rod (703).
3. The excavator shroud according to claim 1, characterized in that: The outer wall of the machine cover (2) is equipped with a breathable mesh plate (8), and the outer wall of the machine cover (2) is connected to an installation mechanism (9).
4. The excavator shroud according to claim 3, characterized in that: The installation mechanism (9) includes a fixing frame (901), the end of which is fixedly connected to the cover (2), the inner wall of which is rotatably connected to the support frame (902), and the surface of the support frame (902) is machined with fixing holes (903).
5. The excavator shroud according to claim 1, characterized in that: The lower end of the base (1) is fixedly connected to the fixing plate (10), the inner wall of the fixing plate (10) is threadedly connected to the threaded rod (11), and the end of the threaded rod (11) is rotatably connected to the U-shaped plate (12).
6. The excavator hood according to claim 5, characterized in that: The outer wall of the U-shaped plate (12) abuts against the connecting cap (13).
Citation Information
Patent Citations
Excavator hood
CN216839654U