Small excavator with rollover prevention structure
By setting up a support anti-roll structure and counterweight structure on the small excavator, combined with the shock-absorbing structure, the problem that the small excavator may experience rollover and vibration during use affects comfort, achieving an improvement in safety and comfort.
Patent Information
- Application Number
- CN202420746339.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-04-11
AI Technical Summary
Small excavators may roll over when in use due to unstable chassis, complex operating environment or unstable load, and engine vibration affects the driver's comfort.
A small excavator with an anti-roll structure was designed, which included a supporting anti-roll structure at the four corners of the excavator frame, and an electro-hydraulic rod was used to control the fixed cone to move down to the ground to support the excavator, and a counterweight structure was set up in the chassis to enhance the center of gravity of the chassis. At the same time, vibration on the seat is consumed through the shock absorbing structure, including dampers and springs.
It effectively prevents the excavator from rolling over, ensures the driver's life safety, and improves the driver's comfort by reducing vibration.
Smart Images
Figure CN222648883U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of small excavators, in particular to a small excavator with an anti-rollover structure. Background Art
[0002] Mini excavators are also called small excavation machinery. Excavators and loaders of 1 to 6 tons are called mini excavators, of which 2.7 to 3.0 tons account for a large proportion, because they can be easily transferred to other sites using general-purpose transport vehicles. Thanks to their compact size, mini excavators are ideal equipment for earthwork applications in urban areas.
[0003] The small excavators currently used have the following defects:
[0004] First, a small excavator may roll over when in use due to an unstable chassis, complex working environment or unstable load. The small excavators currently used are not equipped with anti-rollover structures, which may pose a threat to the driver's life. Second, the engine of a small excavator will produce large vibrations when in use or moving, and the vibration will cause the entire small excavator seat to vibrate, affecting the driver's comfort. Utility Model Content
[0005] The utility model aims to provide a small excavator with an anti-rollover structure to solve the problem that the small excavator proposed in the above background technology may roll over during use and threaten the life of the driver.
[0006] To achieve the above purpose, the utility model provides the following technical solution: a small excavator with an anti-rollover structure, comprising:
[0007] An excavator frame, wherein traveling tracks are fixedly arranged on both sides of the bottom end of the excavator frame, ladders are fixedly arranged in the middle of both sides of the excavator frame, and supporting anti-rollover structures are fixedly arranged at four corners of the excavator frame, and the four supporting anti-rollover structures include fixed blocks, and the top ends of the four fixed blocks are fixedly arranged with electric hydraulic rods, and the bottom ends of the four electric hydraulic rods are fixedly arranged with fixed cones;
[0008] A counterweight structure is fixedly arranged in the middle of the bottom end of the excavator frame. The counterweight structure comprises a placement box. A plurality of counterweight plates are placed inside the placement box, and a handle is fixedly arranged in the middle of one side of the counterweight plate.
[0009] As a preferred technical solution of the utility model, a box cover is hinged on one side of the storage box through a hinge, a locking block is hinged on one side of the box cover, and the middle part of the top of the locking block is connected to the bottom of one side of the excavator frame through a slot and a block.
[0010] As a preferred technical solution of the utility model, a boom is fixedly provided on one side of the top end of the excavator frame, and an excavating bucket is rotatably connected to one end of the boom.
[0011] As a preferred technical solution of the utility model, a cab is fixedly arranged in the middle of the top of the excavator frame, doors are hinged on both sides of the cab, and transparent observation windows are fixedly arranged on the top of one side of the cab and one side of the two doors.
[0012] As a preferred technical solution of the utility model, the bottom end of the inner wall of the cab is fixedly connected to the bottom end of the seat through a shock-absorbing structure. The shock-absorbing structure includes three dampers. The tops of the three dampers are all provided with springs, and the tops of the three springs are fixedly connected to the middle and both sides of the bottom end of the seat.
[0013] As a preferred technical solution of the utility model, four anti-rollover switches are fixedly arranged on the control console of the cab, and the four electric hydraulic rods are electrically connected to the battery inside the excavator frame through the four anti-rollover switches respectively.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. By setting up the supporting anti-rollover structure and counterweight structure, in a complex working environment, the electric hydraulic rod controls the fixed cone to move down to the ground to support the entire excavator to prevent the excavator from rolling over. At the same time, a counterweight plate is added to the placement box to strengthen the center of gravity of the chassis of the entire excavator, which can also prevent the excavator from rolling over, thereby ensuring the safety of the driver.
[0016] By setting up a shock-absorbing structure, the vibration transmitted to the seat can be consumed through the cooperation of the damper and the spring, so as to reduce the vibration on the seat, thereby effectively improving the driver's comfort. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is an exploded view of the seat of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the counterweight structure of the utility model.
[0020] In the figure: 1. excavator frame; 2. supporting anti-rollover structure; 3. fixing block; 4. electric hydraulic rod; 5. fixing cone; 6. ladder; 7. counterweight structure; 8. traveling track; 9. boom; 10. excavator bucket; 11. cab; 12. door; 13. transparent observation window; 14. seat; 15. shock absorbing structure; 16. damper; 17. spring; 18. storage box; 19. counterweight plate; 20. handle; 21. box cover; 22. locking block. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-3 The utility model provides a technical solution for a small excavator with an anti-rollover structure:
[0023] Embodiment 1:
[0024] according to Figure 1 and Figure 3As shown, it includes: an excavator frame 1, both sides of the bottom end of the excavator frame 1 are fixedly provided with traveling crawlers 8, the excavator moves forward or backward through the traveling crawlers 8, the middle of both sides of the excavator frame 1 are fixedly provided with ladders 6, so that the driver can climb to the cab 11 through the ladders 6, a boom 9 is fixedly provided on one side of the top of the excavator frame 1, one end of the boom 9 is rotatably connected to an excavating bucket 10, and the boom 9 controls the movement of the excavating bucket 10 to perform excavation operations, and the four corners of the excavator frame 1 are fixedly provided with supporting anti-rollover structures 2, the four supporting anti-rollover structures 2 all include fixed blocks 3, the tops of the four fixed blocks 3 are fixedly provided with electric hydraulic rods 4, and the bottoms of the four electric hydraulic rods 4 are fixedly provided with fixed cones 5. In a complex working environment, the electric hydraulic rod 4 controls the fixed cone 5 to move down to the ground to control the entire excavation. The excavator is supported to prevent the excavator from rolling over. A counterweight structure 7 is fixedly arranged in the middle of the bottom end of the excavator frame 1. The counterweight structure 7 includes a placement box 18. A plurality of counterweight plates 19 are placed inside the placement box 18. The counterweight plate 19 is added to the placement box 18 to strengthen the center of gravity of the chassis of the entire excavator, which can also prevent the excavator from rolling over, thereby ensuring the life safety of the driver. A handle 20 is fixedly arranged in the middle of one side of the counterweight plate 19. The handle 20 can facilitate the driver to hold the counterweight plate 19. A box cover 21 is hinged on one side of the placement box 18 through a hinge. A locking block 22 is hinged on one side of the box cover 21, and the middle part of the top of the locking block 22 is engaged with the bottom of one side of the excavator frame 1 through a slot and a block. The box cover 21 can be firmly covered on one end of the placement box 18 to prevent the counterweight plate 19 in the placement box 18 from sliding out.
[0025] When in use, the excavator moves to the working area via the traveling tracks 8. Before the operation, the driver first holds the handle 20 to place the counterweight plate 19 in the placement box 18, then covers the box cover 21, and snaps the locking block 22 on the box cover 21 onto the excavator frame 1 to stabilize the center of gravity of the entire chassis, then starts the anti-rollover switch, and the electric hydraulic rod 4 controls the fixed cone 5 to move down to the ground to support the entire excavator.
[0026] Embodiment 2:
[0027] Based on the first embodiment, Figure 1 and Figure 2As shown, a cab 11 is fixedly provided in the middle of the top of the excavator frame 1, doors 12 are hinged on both sides of the cab 11, transparent observation windows 13 are fixedly provided on the top of one side of the cab 11 and one side of the two doors 12, the bottom end of the inner wall of the cab 11 is fixedly connected to the bottom end of the seat 14 through a shock absorbing structure 15, the shock absorbing structure 15 includes three dampers 16, the tops of the three dampers 16 are sleeved with springs 17, and the tops of the three springs 17 are fixedly connected to the middle and both sides of the bottom end of the seat 14, the vibration transmitted to the seat 14 can be consumed by the cooperation of the dampers 16 and the springs 17, so as to reduce the vibration on the seat 14, thereby effectively improving the driver's comfort, four anti-rollover switches are fixedly provided at the control console of the cab 11, and the four electric hydraulic rods 4 are electrically connected to the battery inside the excavator frame 1 through the four anti-rollover switches.
[0028] When in use, during the operation of the excavator, the engine will generate large vibrations, which will be transmitted to the seat 14. The vibrations transmitted to the seat 14 will be consumed by the damper 16 and the spring 17, reducing the vibrations transmitted to the seat 14 to a minimum.
[0029] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0030] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.
[0031] 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 small excavator with an anti-rollover structure, comprising: An excavator frame (1), characterized in that: traveling crawlers (8) are fixedly arranged on both sides of the bottom end of the excavator frame (1), ladders (6) are fixedly arranged in the middle of both sides of the excavator frame (1), supporting anti-rollover structures (2) are fixedly arranged on four corners of the excavator frame (1), the four supporting anti-rollover structures (2) each include a fixing block (3), the top ends of the four fixing blocks (3) are fixedly arranged with electric hydraulic rods (4), and the bottom ends of the four electric hydraulic rods (4) are fixedly arranged with fixing cones (5); A counterweight structure (7) is fixedly arranged in the middle of the bottom end of the excavator frame (1), and the counterweight structure (7) comprises a placement box (18), a plurality of counterweight plates (19) are placed inside the placement box (18), and a handle (20) is fixedly arranged in the middle of one side of the counterweight plate (19).
2. A small excavator with an anti-rollover structure according to claim 1, characterized in that: A box cover (21) is hingedly connected to one side of the storage box (18) via a hinge, a locking block (22) is hingedly connected to one side of the box cover (21), and a middle portion of the top end of the locking block (22) is engaged and connected to the bottom of one side of the excavator frame (1) via a slot and a block.
3. A small excavator with an anti-rollover structure according to claim 1, characterized in that: A boom (9) is fixedly provided on one side of the top end of the excavator frame (1), and an excavator bucket (10) is rotatably connected to one end of the boom (9).
4. The small excavator with an anti-rollover structure according to claim 1, characterized in that: A cab (11) is fixedly provided in the middle of the top of the excavator frame (1), doors (12) are hinged on both sides of the cab (11), and transparent observation windows (13) are fixedly provided on the top of one side of the cab (11) and on one side of the two doors (12).
5. A small excavator with an anti-rollover structure according to claim 4, characterized in that: The bottom end of the inner wall of the cab (11) is fixedly connected to the bottom end of the seat (14) via a shock absorbing structure (15), the shock absorbing structure (15) comprising three dampers (16), the tops of the three dampers (16) are each sleeved with a spring (17), and the tops of the three springs (17) are fixedly connected to the middle and both sides of the bottom end of the seat (14).
6. The small excavator with an anti-rollover structure according to claim 4, characterized in that: Four anti-rollover switches are fixedly arranged at the control console of the cab (11), and the four electric hydraulic rods (4) are electrically connected to the battery inside the excavator frame (1) through the four anti-rollover switches.