Bucket body structure of bivalve grab bucket

Abstract

The utility model discloses a bivalve grab bucket body structure which comprises a bottom plate, a bent plate and a back plate which are sequentially connected, end plates are fixedly connected to the two ends of the bottom plate, the two ends of the bent plate and the two ends of the back plate, a bucket cavity is defined by the bottom plate, the bent plate, the back plate and the two end plates, and end supporting strips are fixedly connected to the two ends of the bucket cavity. The lower ends of the end supporting strips extend in the wall face direction of the bucket cavity, the outer sides of the end supporting strips are fixedly connected to the end plate, the upper ends of the end supporting strips extend to the position above the end plate and are provided with shaft holes, a shaft seat is arranged on the outer side of the back plate, the bottom plate is hollowed out, a light plate is inserted into the bottom plate, and a connecting block is arranged at the rear end of the light plate. A middle supporting strip fixedly connected with the bent plate in an attached mode is arranged on the inner side of the bent plate, a clamping groove capable of being clamped to the middle supporting strip is formed in the rear end of the connecting block, and the connecting block is locked and fixed to the middle supporting strip through a bolt. The bucket body structure of the bivalve grab bucket is amphibious, and the bottom plate of the bucket body structure can be simply switched between a hollow state and a closed state.

Description

Technical Field

[0001] The utility model relates to the field of grab buckets, and specifically, to a double-lobe grab bucket body structure. Background Art

[0002] A grab bucket is a device used for grasping and transporting bulk materials, and is widely used in places such as ports, construction sites, mines, power plants, waste treatment plants, etc. They can be installed on cranes, excavators or other lifting equipment for loading and unloading various bulk materials, such as coal, ore, sand, grain, scrap steel, etc. According to the shape and structure, grab buckets can be divided into double-lobe grab buckets and multi-lobe grab buckets. A double-lobe grab bucket consists of two complete bucket bodies, and the upper end of the bucket body extends upward and is provided with a shaft hole for hinging, suitable for grasping materials such as coal and ore; a multi-lobe grab bucket consists of multiple jaw plates and is suitable for grasping materials such as garbage and scrap steel. Of course, grab buckets can also be used to grasp waste on the water surface, and when operating on the water surface, they need to have good water permeability to avoid the bucket body grasping too much water and causing an increase in weight.

[0003] Publication No. CN202122155173.9 discloses a grab bucket with good corrosion resistance, including: a grab bucket main body, an anti-wear layer is arranged on the surface of the grab bucket main body, an anti-corrosion layer is arranged on the side of the anti-wear layer away from the grab bucket main body, and an anti-rust layer is arranged on the side of the anti-corrosion layer away from the grab bucket main body. The anti-wear layer includes a tungsten steel layer, and a manganese steel layer is arranged on the surface of the tungsten steel layer. The thickness of the tungsten steel layer is less than that of the manganese steel layer. The anti-corrosion layer includes a molybdenum plating layer, and a nickel plating layer is arranged on the surface of the molybdenum plating layer. The thickness of the molybdenum plating layer is the same as that of the nickel plating layer. This grab bucket has a structure with two hinged bucket bodies, and its bottom surface is a non-hollow structure, which can only be used for ground operations and is difficult to be used for water surface operations.

[0004] Publication No. CN202322735003.7 discloses a double-lobe hollow grab bucket, which includes an upper cross beam, a lower cross beam and two symmetrically arranged bucket bodies. The upper cross beam and the lower cross beam are connected by a hydraulic telescopic rod. Hinge plates are fixedly connected to both sides of the bucket body, and the hinge plates extend above the bucket body and are rotatably sleeved on the shaft body at the end of the lower cross beam. An articulated seat is arranged above the outer side of the bucket body, an articulated groove is arranged on the upper cross beam, and the articulated seat and the articulated groove are connected by a swing arm. The swing arm and the articulated seat are connected by a first pin shaft, and the swing arm and the articulated groove are connected by a second pin shaft; a plurality of first hollow holes are arranged on the side surface of the bucket body, and a plurality of second hollow holes are arranged at a position close to the bottom of the bottom surface of the bucket body. This grab bucket has a structure with two hinged bucket bodies, and its bottom surface is a hollow structure, which can only be used for water surface operations. When performing ground operations, the materials will leak from the hollow part.

[0005] Therefore, there is a need for a double-lobe grab bucket body structure that can be used both on land and on water, which can perform grasping operations on the ground and also on the water surface. Summary of the Utility Model

[0006] The purpose of the present utility model is to provide a double - flap grab bucket body structure, which is amphibious and its bottom plate can be simply switched between a hollowed - out state and a closed state.

[0007] To achieve the above purpose, the present utility model provides a double - flap grab bucket body structure, including a bottom plate, a bent plate and a back plate connected in sequence. End plates are fixedly connected to both ends of the bottom plate, the bent plate and the back plate. The bottom plate, the bent plate, the back plate and the two end plates enclose a bucket cavity. End supports are fixedly connected to both ends of the bucket cavity. The lower ends of the end supports extend along the wall surface direction of the bucket cavity. The outer sides of the end supports are fixedly connected to the end plates. The upper ends of the end supports extend above the end plates and are provided with shaft holes. A shaft seat is arranged on the outer side of the back plate. The bottom plate is set to be hollowed - out, and a light plate is inserted into the bottom plate. A connecting block is arranged at the rear end of the light plate. A middle support is arranged on the inner side of the bent plate and is fixedly connected to the bent plate in a fitting manner. A clamping groove capable of being clamped to the middle support is arranged at the rear end of the connecting block. The connecting block is locked and fixed to the middle support by bolts.

[0008] Preferably, a first mounting hole is arranged at the lower end of the middle support. Second mounting holes corresponding to the first mounting hole are arranged on both sides of the clamping groove on the connecting block. The bolt passes through the first mounting hole and the second mounting hole and is locked by a nut matching with it.

[0009] Preferably, a plurality of middle supports are provided. The upper ends of the plurality of middle supports all extend to the back plate and are fixedly connected to the inner side of the back plate.

[0010] Preferably, side sliding grooves are arranged at the inner bottom of the end supports. Both ends of the light plate are slidably inserted into the side sliding grooves.

[0011] Preferably, a bottom slot capable of inserting the end of the light plate is arranged at the lower end of the bent plate.

[0012] Preferably, limiting insertion plates are arranged on both sides and the inner end of the light plate.

[0013] Preferably, a plurality of rectangular holes distributed in a rectangular shape are arranged on the bottom plate.

[0014] Preferably, a first reverse sliding surface is arranged at the front end of the bottom plate; a second reverse sliding surface that smoothly transitions with the first reverse sliding surface is arranged at the front end of the light plate.

[0015] According to the above technical solution, the present utility model provides a double-lobe grab bucket body structure, including a bottom plate, a bent plate and a back plate connected in sequence. End plates are fixedly connected to both ends of the bottom plate, the bent plate and the back plate. The bottom plate, the bent plate, the back plate and the two end plates enclose a bucket cavity. End support bars are fixedly connected to both ends of the bucket cavity. The lower end of the end support bar extends along the wall surface direction of the bucket cavity. The outer side of the end support bar is fixedly connected to the end plate. The upper end of the end support bar extends above the end plate and is provided with a shaft hole. A shaft seat is arranged on the outer side of the back plate. The bottom plate is provided as a hollow-out structure. A light plate is inserted into the bottom plate. A connecting block is arranged at the rear end of the light plate. A middle support bar is arranged on the inner side of the bent plate and is fixedly attached to it. A clamping groove capable of engaging with the middle support bar is arranged at the rear end of the connecting block. The connecting block is locked and fixed to the middle support bar by bolts.

[0016] The usage method and beneficial effects of this double-lobe grab bucket body structure are as follows: When operating on the water surface, since it is necessary to drain excess water, at this time, the light plate is disassembled so that the bottom plate is in a hollow-out state. When operating on land, especially when grabbing sand and gravel that are likely to leak, at this time, the function of leaking water is not required. Therefore, the light plate is inserted from the inside to the outside along the direction of the bottom plate above the bottom plate and covers the hollowed-out surface on the bottom plate. After being inserted in place, the connecting block is locked and fixed to the middle support bar by bolts. Due to the use of this double-lobe grab bucket body structure, this double-lobe grab bucket body structure can be used both on land and in water, and its bottom plate can be easily switched between a hollow-out or closed state, with a wider range of uses.

[0017] Other features and advantages of the present utility model will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the following specific implementation, they are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0019] Figure 1 is a front-side perspective structural schematic diagram of a preferred implementation manner of the double-lobe grab bucket body structure;

[0020] Figure 2 is a rear-side perspective structural schematic diagram of a preferred implementation manner of the double-lobe grab bucket body structure;

[0021] Figure 3 is an overall structural schematic diagram of the double-lobe grab bucket body structure after removing the light plate;

[0022] Figure 4 is a structural schematic diagram of a preferred implementation manner of the light plate.

[0023] DESCRIPTION OF THE REFERENCE NUMERALS

[0024] 1 - end plate; 2 - end brace; 3 - upper end; 4 - shaft hole; 5 - shaft seat; 6 - middle brace; 7 - smooth plate; 8 - connecting block; 9 - first reverse sliding surface; 10 - bolt; 11 - bottom plate; 12 - rectangular hole; 13 - side chute; 14 - bottom slot; 15 - bent plate; 16 - back plate; 17 - first mounting hole; 18 - limit insertion plate; 19 - second mounting hole; 20 - card slot; 21 - second reverse sliding surface. Specific embodiments

[0025] The specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not intended to limit the present utility model.

[0026] In the present utility model, unless otherwise stated, the orientation terms such as "up and down, left and right, front and back, inside and outside" included in the terms only represent the orientation of the term in the normal use state, or the common name understood by those skilled in the art, and should not be regarded as a limitation of the term.

[0027] See Figures 1-4 The double - flap grab bucket body structure shown, which includes a bottom plate 11, a bent plate 15 and a back plate 16 connected in sequence. End plates 1 are fixedly connected to both ends of the bottom plate 11, the bent plate 15 and the back plate 16. The bottom plate 11, the bent plate 15, the back plate 16 and the two end plates 1 enclose a bucket cavity. End braces 2 are fixedly connected to both ends of the bucket cavity. The lower end of the end brace 2 extends along the wall surface direction of the bucket cavity. The outer side of the end brace 2 is fixedly connected to the end plate 1. The upper end 3 of the end brace 2 extends above the end plate 1 and is provided with a shaft hole 4. A shaft seat 5 is arranged on the outer side of the back plate 16. The bottom plate 11 is provided as a hollow structure. A smooth plate 7 is inserted into the bottom plate 11. A connecting block 8 is arranged at the rear end of the smooth plate 7. A middle brace 6 is arranged on the inner side of the bent plate 15 and is fixedly attached thereto. A card slot 20 capable of engaging with the middle brace 6 is arranged at the rear end of the connecting block 8. The connecting block 8 is locked and fixed to the middle brace 6 by bolts 10.

[0028] By implementing the above technical solution, when operating on the water surface, since it is necessary to leak out the excess water, at this time, the light plate 7 is removed, so that the bottom plate 11 is in a hollow state. When operating on land, especially when grasping gravel that is likely to leak, at this time, the water leakage function is not required. Therefore, the light plate 7 is inserted into the upper part of the bottom plate 11 from the inside to the outside along the direction of the bottom plate 11, and the hollow surface on the bottom plate 11 is covered. After being inserted in place, the connecting block 8 is locked and fixed on the middle support bar 6 by the bolt 10. Due to the use of this double-lobe grab bucket body structure, the double-lobe grab bucket body structure is amphibious, and its bottom plate 11 can be easily switched between a hollow or closed state, with a wider range of use.

[0029] In this embodiment, a first mounting hole 17 is provided at the lower end of the middle support bar 6. On both sides of the card slot 20 on the connecting block 8, second mounting holes 19 corresponding to the first mounting hole 17 are provided. The bolt 10 passes through the first mounting hole 17 and the second mounting hole 19 and is locked by a nut matching with it. In order to further provide a fixing method for the light plate 7, it can be locked by passing the bolt 10 through the first mounting hole 17 and the second mounting hole 19 and then using a nut matching with it.

[0030] In this embodiment, in order to further provide a structure of the middle support bar to improve the overall structural stability, a plurality of middle support bars 6 are provided, and the upper ends of the plurality of middle support bars 6 all extend to the back plate 16 and are fixedly connected to the inner side of the back plate 16. The lower end of the middle support bar is provided with a first bending inclined surface, and the upper end is provided with a second bending inclined surface.

[0031] In this embodiment, side sliding grooves 13 are provided at the inner bottom of the end support bar 2. Both ends of the light plate 7 are slidably inserted into the side sliding grooves 13. The side sliding grooves 13 provided on both sides provide limit sliding fit on both sides of the light plate 7, improving the installation stability of the light plate 7.

[0032] In this embodiment, a bottom slot 14 capable of inserting the end of the light plate 7 is provided at the lower end of the bent plate 15. Through the setting of the bottom slot 14, after the end of the light plate 7 is inserted in place, it is limited in the bottom slot 14, thereby increasing the installation stability of the light plate 7.

[0033] In this embodiment, limit insertion plates 18 are provided on both sides and the inner end of the light plate 7. Through the setting of the limit insertion plates 18, the limit insertion plates 18 are arranged on the left and right sides and the inner end. The limit insertion plates 18 on the left and right sides are in sliding fit with the side sliding grooves 13, and the limit insertion plates 18 at the inner end are in insertion fit with the bottom slot 14.

[0034] In this embodiment, in order to further provide a hollow structure of the bottom plate 11, a plurality of rectangular holes 12 distributed in a rectangular shape are provided on the bottom plate 11.

[0035] In this embodiment, a first reverse sliding surface 9 is provided at the front end of the bottom plate 11; a second reverse sliding surface 21 that is smoothly transitioned with the first reverse sliding surface 9 is provided at the front end of the optical plate 7. Through the arrangement of the first reverse sliding surface 9 and the second reverse sliding surface 21, it is made easier to grasp an object.

[0036] The preferred embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solutions of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0037] In addition, it should be noted that, among the various specific technical features described in the above specific embodiments, they can be combined in any suitable manner without conflict. To avoid unnecessary repetition, the present invention will not separately describe various possible combination methods.

[0038] Furthermore, any combination can be made between various different embodiments of the present invention as long as it does not violate the idea of the present invention, and it should also be regarded as the content disclosed by the present invention.

Claims

1. A double-lobe grab bucket body structure, characterized in that, The double-lobe grab bucket body structure includes a bottom plate (11), a bent plate (15), and a back plate (16) connected in sequence. End plates (1) are fixedly connected to both ends of the bottom plate (11), the bent plate (15), and the back plate (16). The bottom plate (11), the bent plate (15), the back plate (16), and the two end plates (1) enclose a bucket cavity. End support bars (2) are fixedly connected to both ends of the bucket cavity. The lower ends of the end support bars (2) extend along the wall surface direction of the bucket cavity. The outer sides of the end support bars (2) are fixedly connected to the end plates (1). The upper ends (3) of the end support bars (2) extend above the end plates (1) and are provided with shaft holes (4). A shaft seat (5) is provided on the outer side of the back plate (16). The bottom plate (11) is provided as a hollow structure. A light plate (7) is inserted into the bottom plate (11). A connection block (8) is provided at the rear end of the light plate (7). A middle support bar (6) that fits and is fixedly connected to the inner side of the bent plate (15) is provided. A card slot (20) capable of engaging with the middle support bar (6) is provided at the rear end of the connection block (8). The connection block (8) is locked and fixed to the middle support bar (6) by bolts (10).

2. The double-lobe grab bucket body structure according to claim 1, wherein, A first mounting hole (17) is provided at the lower end of the middle support bar (6). Second mounting holes (19) corresponding to the first mounting hole (17) are provided on both sides of the card slot (20) on the connection block (8). The bolts (10) pass through the first mounting hole (17) and the second mounting hole (19) and are locked by nuts matching them.

3. The double-lobe grab bucket body structure according to claim 1, characterized in that A plurality of middle support bars (6) are provided. The upper ends of the plurality of middle support bars (6) all extend to the back plate (16) and are fixedly connected to the inner side of the back plate (16).

4. The double-lobe grab bucket body structure according to any one of claims 1-3, characterized in that, Side chutes (13) are provided at the inner bottom of the end support bars (2). Both ends of the light plate (7) are slidably inserted into the side chutes (13).

5. The double-lobe grab bucket body structure according to claim 4, characterized in that, A bottom slot (14) capable of inserting the end of the light plate (7) is provided at the lower end of the bent plate (15).

6. The double-lobe grab bucket body structure according to claim 5, characterized in that, Limit insertion plates (18) are provided on both sides and the inner end of the light plate (7).

7. The double-lobe grab bucket body structure according to claim 1, characterized in that, A plurality of rectangular holes (12) distributed in a rectangular shape are provided on the bottom plate (11).

8. The double-lobe grab bucket body structure according to claim 1, characterized in that, A first reverse sliding surface (9) is provided at the front end of the bottom plate (11). A second reverse sliding surface (21) that smoothly transitions with the first reverse sliding surface (9) is provided at the front end of the light plate (7).

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