Reinforcing structure for movable arm of excavator

Abstract

The utility model belongs to the technical field of reinforcing structures, and particularly relates to an excavator movable arm reinforcing structure which comprises a movable arm body, the movable arm body comprises a first section body and a second section body, and a first reinforcing structure and a second reinforcing structure are arranged on the outer side of the first section body and the outer side of the second section body respectively. A middle connection reinforcing section is connected between the first reinforcing structure and the second reinforcing structure, the first reinforcing structure and the second reinforcing structure each comprise a first [-shaped reinforcing frame and a second [-shaped reinforcing frame, and the first [-shaped reinforcing frames and the second [-shaped reinforcing frames are arranged on the outer sides of the first section body and the second section body in a sleeving mode; according to the device, the function of enhancing the structural strength of the movable arm main body can be effectively achieved, the bearing capacity of the movable arm main body on impact force received in the excavation process is improved, and the possibility that the movable arm main body breaks and cracks is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reinforcing structure, specifically relates to a excavator arm reinforcing structure. BACKGROUND

[0002] The excavator arm is the component connecting the excavator frame and the bucket rod, and is usually also called the large arm. It changes the inclination angle through the luffing movement, so that the material taking device (such as the bucket rod and the bucket) is at different lifting heights and amplitudes, thereby completing the actions such as excavating and loading.

[0003] During the working process of the excavator, the arm breakage and crack are a kind of possible serious fault phenomena, which are mostly due to the overloading work of using the excavator beyond the tonnage of the excavator, or due to improper operation and hitting hard objects during the excavating process. Once this kind of fault occurs, a new arm needs to be replaced, and the waiting time is relatively long, which seriously affects the progress of the excavating operation. In order to improve the strength of the excavator arm, the excavator arm reinforcing structure is proposed. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model aims at providing an excavator arm reinforcing structure, which is provided with the first reinforcing structure, the second reinforcing structure and the intermediate connecting reinforcing section that can be quickly combined, installed and dismounted on the outside of the arm main body, can effectively play the role of enhancing the structural strength of the arm main body, improve the bearing capacity of the arm main body to the impact force received during the excavating process, and reduce the possibility of the arm main body breakage and crack.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: an excavator arm reinforcing structure, comprising an arm main body, wherein the arm main body comprises a first section body and a second section body, the outside of the first section body and the second section body is respectively provided with a first reinforcing structure and a second reinforcing structure, the first reinforcing structure and the second reinforcing structure are connected with an intermediate connecting reinforcing section, the first reinforcing structure and the second reinforcing structure both comprise a first U-shaped reinforcing frame and a second U-shaped reinforcing frame, the first U-shaped reinforcing frame and the second U-shaped reinforcing frame are both sleeved on the outside of the first section body and the second section body, the bottom of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame is provided with a screw fixing plate, the bottom of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame and the side surface of the side of the intermediate connecting reinforcing section close to each other are both provided with a second butt joint slot, the intermediate connecting reinforcing section comprises an intermediate reinforcing plate arranged below the connecting position of the first section body and the second section body, the two ends of the intermediate reinforcing plate are provided with a second butt joint plug, and the second butt joint slot and the second butt joint plug are connected by inserting.

[0006] The utility model discloses beneficial effect is: the device is provided with the first reinforcing structure, second reinforcing structure, intermediate connecting reinforcing section that can be combined and dismounting of quick outside the movable arm main body, can effectively play the effect of reinforcing structure strength to movable arm main body, promote the bearing capacity of movable arm main body to the impact force received in the excavating process, reduce the possibility of fracture and crack of movable arm main body.

[0007] In order to promote the connecting stability between the first reinforcing structure and the second reinforcing structure:

[0008] As a further improvement of the above technical solution: the number of intermediate connecting reinforcing sections is two, and a group of intermediate connecting reinforcing sections is arranged between the first U-shaped reinforcing frame of the first reinforcing structure and the first U-shaped reinforcing frame of the second reinforcing structure and between the second U-shaped reinforcing frame of the first reinforcing structure and the second U-shaped reinforcing frame of the second reinforcing structure.

[0009] The beneficial effects of the improvement are that the setting of two groups of intermediate connecting reinforcing sections improves the connecting stability between the first reinforcing structure and the second reinforcing structure.

[0010] In order to assist in fixing the first U-shaped reinforcing frame and the second U-shaped reinforcing frame:

[0011] As a further improvement of the above technical solution: a first butt plug is arranged on one side of the top of the first U-shaped reinforcing frame, a first butt slot is arranged on one side of the top of the second U-shaped reinforcing frame, and the first butt plug is inserted into the first butt slot.

[0012] The beneficial effects of the improvement are that the first butt plug is inserted into the first butt slot to assist in fixing the first U-shaped reinforcing frame and the second U-shaped reinforcing frame.

[0013] In order to improve the structural strength of the top and bottom of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame:

[0014] As a further improvement of the above technical solution: a reinforcing plate is arranged on the top and bottom of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame.

[0015] The beneficial effects of the improvement are that the reinforcing plate is arranged to improve the structural strength of the top and bottom of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame.

[0016] In order to improve the structural strength of the side of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame:

[0017] As a further improvement of the above technical solution: a lateral reinforcing rib is arranged on the inner side of the part of the first U-shaped reinforcing frame and the second U-shaped reinforcing frame located on the side of the first segment and the second segment.

[0018] The beneficial effect of the improvement is that the lateral reinforcing ribs are arranged to improve the structural strength of the side of the first and second U-shaped reinforcing frames.

[0019] In order to improve the structural strength of the intermediate reinforcing plate:

[0020] As a further improvement of the above technical solution, the bottom of the intermediate reinforcing plate is provided with a bottom reinforcing plate.

[0021] The beneficial effect of the improvement is that the bottom reinforcing plate is arranged to improve the structural strength of the intermediate reinforcing plate.

[0022] As a further improvement of the above technical solution, the two side surfaces of the screw fixing plate, the inside of the second butt joint slot, the bottom surface of the first and second U-shaped reinforcing frames, and the top and bottom surfaces of the second butt joint plate are all provided with screw holes, the screw fixing plates of the first and second U-shaped reinforcing frames are connected and fixed by bolts and screw holes, and the second butt joint slot and the second butt joint plate are connected and fixed by bolts and screw holes.

[0023] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a perspective structural schematic view of the utility model;

[0025] Figure 2 It is a bottom structural schematic view of the utility model;

[0026] Figure 3 It is a structural schematic view (one) of the first reinforcing structure, the second reinforcing structure, and the intermediate connecting reinforcing section in the utility model;

[0027] Figure 4 It is a structural schematic view (two) of the first reinforcing structure, the second reinforcing structure, and the intermediate connecting reinforcing section in the utility model;

[0028] Figure 5 It is a structural schematic view (three) of the first reinforcing structure, the second reinforcing structure, and the intermediate connecting reinforcing section in the utility model;

[0029] Figure 6 It is a separation schematic view of the second reinforcing structure in the utility model;

[0030] In the diagram: 1. Boom body; 2. First section; 3. Second section; 4. First reinforcing structure; 5. Second reinforcing structure; 6. Intermediate connecting reinforcement section; 7. First C-shaped reinforcing frame; 8. Second C-shaped reinforcing frame; 9. Lateral reinforcing rib; 10. First docking plate; 11. First docking slot; 12. Screw-on fixing plate; 13. Second docking slot; 14. Intermediate reinforcing plate; 15. Second docking plate; 16. Bottom reinforcing plate; 17. Screw hole; 18. Bolt; 19. Reinforcing plate. Detailed Implementation

[0031] To enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of the present invention in any way.

[0032] like Figures 1-6 As shown, a reinforcement structure for an excavator boom includes a boom body 1, which comprises a first segment 2 and a second segment 3. A first reinforcement structure 4 and a second reinforcement structure 5 are respectively provided on the outer sides of the first segment 2 and the second segment 3. An intermediate connecting reinforcement section 6 connects the first reinforcement structure 4 and the second reinforcement structure 5. Both the first reinforcement structure 4 and the second reinforcement structure 5 include a first U-shaped reinforcement frame 7 and a second U-shaped reinforcement frame 8, which are fitted onto the first segment 2 and the second segment 3. On the outer side of segment 3, the bottom of the first C-shaped reinforcing frame 7 and the second C-shaped reinforcing frame 8 are both provided with screw fixing plates 12. The bottom of the first C-shaped reinforcing frame 7 and the second C-shaped reinforcing frame 8 and the side of the middle connecting reinforcing segment 6 are both provided with second docking slots 13. The middle connecting reinforcing segment 6 includes a middle reinforcing plate 14 located below the connection between the first segment 2 and the second segment 3. The two ends of the middle reinforcing plate 14 are provided with second docking inserts 15. The second docking slots 13 and the second docking inserts 15 are inserted and connected.

[0033] This device is equipped with a first reinforcing structure 4, a second reinforcing structure 5, and an intermediate connecting reinforcement section 6 that can be quickly assembled, installed, and disassembled on the outside of the boom body 1. These features can effectively enhance the structural strength of the boom body 1, improve its ability to withstand the impact forces received during excavation, and reduce the possibility of the boom body 1 breaking or developing cracks.

[0034] The number of intermediate connecting reinforcement sections 6 is two, with one set provided between the first C-shaped reinforcement frame 7 of the first reinforcing structure 4 and the first C-shaped reinforcement frame 7 of the second reinforcing structure 5, and between the second C-shaped reinforcement frame 8 of the first reinforcing structure 4 and the second C-shaped reinforcement frame 8 of the second reinforcing structure 5.

[0035] By setting two groups of intermediate connecting reinforcing sections 6, the connection stability between the first reinforcing structure 4 and the second reinforcing structure 5 is improved.

[0036] One side of the top of the first U-shaped reinforcing frame 7 is provided with a first butt plug 10, and one side of the top of the second U-shaped reinforcing frame 8 is provided with a first butt slot 11, and the first butt plug 10 and the first butt slot 11 are inserted and connected.

[0037] The first butt plug 10 and the first butt slot 11 are inserted and connected, which assists in fixing the first U-shaped reinforcing frame 7 and the second U-shaped reinforcing frame 8.

[0038] The top and bottom of the first U-shaped reinforcing frame 7 and the top and bottom of the second U-shaped reinforcing frame 8 are provided with reinforcing plates 19.

[0039] The reinforcing plates 19 are arranged to improve the structural strength of the top and bottom of the first U-shaped reinforcing frame 7 and the second U-shaped reinforcing frame 8.

[0040] The inner side of the part of the first U-shaped reinforcing frame 7 and the second U-shaped reinforcing frame 8 located on the side of the first section body 2 and the second section body 3 is provided with a lateral reinforcing rib 9.

[0041] The lateral reinforcing rib 9 is arranged to improve the structural strength of the side of the first U-shaped reinforcing frame 7 and the second U-shaped reinforcing frame 8.

[0042] The bottom of the intermediate reinforcing plate 14 is provided with a bottom reinforcing plate 16.

[0043] The bottom reinforcing plate 16 is arranged to strengthen the structural strength of the intermediate reinforcing plate 14.

[0044] Screw holes 17 are provided between the two sides of the screw fixing plate 12, between the inner part of the second butt slot 13 and the bottom surface of the first U-shaped reinforcing frame 7 and the second U-shaped reinforcing frame 8, and between the top surface and the bottom surface of the second butt plug 15. The screw fixing plate 12 of the first U-shaped reinforcing frame 7 and the screw fixing plate 12 of the second U-shaped reinforcing frame 8 are connected and fixed by bolts 18 and screw holes 17, and the second butt slot 13 and the second butt plug 15 are connected and fixed by bolts 18 and screw holes 17.

[0045] The utility model discloses a working principle and use flow: the device installs first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6, first reinforcing structure 4's first Zeta shape reinforcing frame 7 and second Zeta shape reinforcing frame 8 are placed in the outside of first section body 2 first, and the first Zeta shape reinforcing frame 7 and second Zeta shape reinforcing frame 8 of second reinforcing structure 5 are placed in the outside of second section body 3, and the mutual insertion between first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8 is aligned and makes the mutual insertion between first butt-in plugboard 10, first butt-in slot 11, completes butt joint, can use bolt 18 between the screw fixed plate 12 of first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8 bottom and connects fixed, thereby completes the fixing between first Zeta shape reinforcing frame 7 and second Zeta shape reinforcing frame 8, then intermediate connecting reinforcing section 6 is placed below the junction of first section body 2, second section body 3, makes intermediate connecting reinforcing section 6 and the bottom of first section body 2, second section body 3 fit, then along first section body 2, second section body 3 will first reinforcing structure 4, second reinforcing structure 5 move towards the direction of intermediate connecting reinforcing section 6, make second butt-in slot 13, second butt-in plugboard 15 mutual insertion connection, then can use bolt 18 between second butt-in slot 13, second butt-in plugboard 15 and fix, thereby complete the fixing between first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6, when first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8's inside face and first section body 2, second section body 3 are in close contact, and the top of intermediate connecting reinforcing section 6 and the bottom of first section body 2, second section body 3 are in close contact, first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6 all realize the fixation in the outside of swing arm main body 1, when excavator operation, through first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6 forms a whole support frame, effectively reinforces the support to swing arm main body 1, through the rigid support of first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6, to promote the swing arm main body 1 to the shock force of in the process of digging and bear the ability, and the side of first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8 is equipped with lateral reinforcing rib 9, and the top and bottom of first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8 are equipped with reinforcing plate 19, and the bottom of intermediate reinforcing plate 14 is equipped with bottom reinforcing plate 16, through the setting of lateral reinforcing rib 9, reinforcing plate 19, bottom reinforcing plate 16, effectively reinforce the structural strength of first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8, intermediate reinforcing plate 14, thereby promote the reinforcing ability of first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6 to swing arm main body 1, when need to dismount first reinforcing structure 4, second reinforcing structure 5, intermediate connecting reinforcing section 6, only need to screw down bolt 18 all, can separate between first Zeta shape reinforcing frame 7, second Zeta shape reinforcing frame 8, intermediate reinforcing plate 14, above all,The device is provided with the first reinforcing structure 4, the second reinforcing structure 5 and the intermediate connecting reinforcing section 6 which can be quickly combined and disassembled outside the movable arm body 1, can effectively enhance the strength of the movable arm body 1, improve the bearing capacity of the movable arm body 1 to the impact force received in the digging process, and reduce the possibility of fracture and crack of the movable arm body 1.

[0046] The circuit and electronic components and modules are all prior art, and the skilled in the art can realize them without further description, and the content protected by the application does not involve the improvement of software and methods.

[0047] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device.

[0048] The principle and implementation mode of the utility model are described by applying specific examples in this paper, and the above examples are only used to help understand the method and core idea of the utility model. The above description is only the preferred implementation mode of the utility model, and it should be pointed out that due to the limited expression, there are infinite specific structures objectively, and for ordinary skilled in the art, some improvements, decorations or changes can be made without departing from the principle of the utility model, and the above technical features can be combined in a proper way; these improvements, decorations, changes or combinations, or the direct application of the concept and technical scheme of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A boom reinforcement structure for an excavator, characterised in that: The utility model provides an include swing arm main body (1), swing arm main body (1) includes first section body (2), second section body (3), and the outside of first section body (2), second section body (3) is equipped with first reinforcing structure (4), second reinforcing structure (5) respectively, and the intermediate connecting reinforcing section (6) is connected between first reinforcing structure (4), second reinforcing structure (5), and first reinforcing structure (4), second reinforcing structure (5) all include first N-shaped reinforcing frame (7), second N-shaped reinforcing frame (8), first N-shaped reinforcing frame (7), second N-shaped reinforcing frame (8) are all covered in first section body (2), second section body (3) outside, and the bottom of first N-shaped reinforcing frame (7), second N-shaped reinforcing frame (8) is equipped with screw fixed plate (12) all, and the bottom of first N-shaped reinforcing frame (7), second N-shaped reinforcing frame (8) is equipped with second butt joint slot (13) all in the side surface of the side of intermediate connecting reinforcing section (6) close to, and intermediate connecting reinforcing section (6) includes the intermediate reinforcing plate (14) of setting in first section body (2), second section body (3) connecting place below, and the both ends of intermediate reinforcing plate (14) are equipped with second butt joint plugboard (15), and the insertion connection between second butt joint slot (13) and second butt joint plugboard (15).

2. An excavator boom reinforcement structure according to claim 1, characterized in that: The number of intermediate connecting reinforcing section (6) is two, and a group of is arranged between the first N-shaped reinforcing frame (7) of first reinforcing structure (4) and the first N-shaped reinforcing frame (7) of second reinforcing structure (5) and between the second N-shaped reinforcing frame (8) of first reinforcing structure (4) and the second N-shaped reinforcing frame (8) of second reinforcing structure (5).

3. The excavator boom reinforcement structure of claim 1, wherein: The side of the top of first N-shaped reinforcing frame (7) is equipped with first butt joint plugboard (10), and the side of the top of second N-shaped reinforcing frame (8) is equipped with first butt joint slot (11), and the insertion connection between first butt joint plugboard (10) and first butt joint slot (11).

4. The excavator boom reinforcement structure of claim 1, wherein: The top and bottom of first N-shaped reinforcing frame (7) and the top and bottom of second N-shaped reinforcing frame (8) are all equipped with reinforcing plate (19).

5. The excavator boom reinforcement structure of claim 1, wherein: The inner side of the part of first N-shaped reinforcing frame (7) and second N-shaped reinforcing frame (8) located at the side of first section body (2) and second section body (3) is equipped with lateral reinforcing rib (9).

6. The excavator boom reinforcement structure of claim 1, wherein: The bottom of intermediate reinforcing plate (14) is equipped with bottom reinforcing plate (16).

7. The excavator arm reinforcing structure of claim 1, wherein: Screw hole (17) is penetrated between the both sides of screw fixed plate (12), between the inner of second butt joint slot (13) and the bottom of first N-shaped reinforcing frame (7) and second N-shaped reinforcing frame (8), and between the top surface and bottom surface of second butt joint plugboard (15), and the screw bolt (18) and screw hole (17) are connected and fixed between the screw fixed plate (12) of first N-shaped reinforcing frame (7) and the screw fixed plate (12) of second N-shaped reinforcing frame (8), and the screw bolt (18) and screw hole (17) are connected and fixed between second butt joint slot (13) and second butt joint plugboard (15).

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