Remote control multi-petal grab bucket

Abstract

The remote control multi-petal grab bucket comprises an upper bearing beam, a lower bearing beam, a movable beam, a plurality of supporting rods and bucket petals, the movable beam is arranged between the lower bearing beam and the upper bearing beam, the top ends of the supporting rods are rotatably connected to the upper bearing beam, and the middle portions of the bucket petals are rotatably connected to the bottom ends of the corresponding supporting rods. The top of the bucket valve is rotatably connected to the lower bearing beam, a hydraulic oil cylinder is arranged in the movable beam, the movable beam comprises an upper movable beam and a lower movable beam, the upper movable beam is of a cylindrical structure, the lower movable beam is of a rectangular structure, the lower movable beam of the rectangular structure is arranged below the upper movable beam in a sleeving mode, and a through hole is formed in the bearing beam; the upper end of the upper moving beam is connected in the through hole in a penetrating mode, a hydraulic oil cylinder is arranged in the upper moving beam, a piston rod of the hydraulic oil cylinder is connected with an upper bearing beam capable of moving up and down along the outer wall of the moving beam, the lower bearing beam is of a hollow cylindrical structure, and the hydraulic oil cylinder is fixed in the hollow cylindrical lower bearing beam. According to the utility model, the overall weight can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of load hanging devices, in particular to a remote-controlled multi-petal grab bucket. Background Art

[0002] In the field of dry bulk cargo in the prior art, wood chips, cassava chips and other bulk cargoes have the remarkable characteristics of small specific gravity (0.15~0.2T / m 3 ), high mobility. And it is common for ships transporting such goods to be equipped with cranes. Such ships are generally equipped with electric hydraulic double-jaw grabs, or wireless remote control double-jaw grabs. These two types of grabs are not very efficient in transporting such materials.

[0003] After searching, the patent: a wireless remote control multi-petal grab (CN202022784740.2), the moving beam is arranged between the lower support beam and the upper support beam, the top of each strut can be rotatably connected to the upper support beam, the middle of each petal can be rotatably connected to the bottom of the corresponding strut, and the bottom of each petal can be rotatably connected to the lower support beam. After several petals are folded, they can form a closed whole. A hydraulic cylinder is arranged in the moving beam, and the telescopic end of the piston rod in the hydraulic cylinder is connected to the upper support beam that can move up and down along the outer wall of the moving beam. The bottom end of the hydraulic cylinder is fixed in the lower support beam, and the outer wall of the part of the hydraulic cylinder located in the lower support beam is fixed with a controller for driving the piston rod of the hydraulic cylinder to extend and retract. A wireless communication device electrically connected to the controller and oil tanks located on both sides of the controller are also arranged in the lower support beam. Both oil tanks are connected to the hydraulic cylinder through oil pipes. The overall height of the above structure is relatively high, resulting in a heavy weight. The moving beam adopts a truncated platform structure, and there is a risk of the moving beam colliding with the upper support beam when passing through the upper support beam.

[0004] In view of the above-mentioned defects, the designers have actively carried out research and innovation in order to create a remote-controlled multi-petal grab with a new structure to make it more valuable for industrial use. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a remote-controlled multi-petal grab bucket.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A remote-controlled multi-petal grab bucket comprises an upper supporting beam, a lower supporting beam, a movable beam, a plurality of struts and a bucket flap, wherein the movable beam is arranged between the lower supporting beam and the upper supporting beam, the top end of each strut is rotatably connected to the upper supporting beam, the middle part of each bucket flap is rotatably connected to the bottom end of the corresponding strut, the top of each bucket flap is rotatably connected to the lower supporting beam, and a plurality of bucket flaps can form a closed whole after being folded together, the movable beam comprises an upper movable beam and a lower movable beam, wherein the upper movable beam is a cylindrical structure, and the lower movable beam is a rectangular structure, the rectangular lower movable beam is sleeved below the upper movable beam, and the upper supporting beam A through hole is opened on the top, the upper end of the upper movable beam is connected to the through hole, a hydraulic cylinder is arranged in the upper movable beam, the piston rod of the hydraulic cylinder is connected to the upper supporting beam which can move up and down along the outer wall of the movable beam, the lower supporting beam is a hollow cylindrical structure, the hydraulic cylinder is fixed in the hollow cylindrical lower supporting beam, a controller for driving the piston rod of the hydraulic cylinder to extend and retract is fixed on the outer wall of the hydraulic cylinder located in the lower supporting beam, and oil tanks respectively located on both sides of the controller are arranged in the lower supporting beam, the two oil tanks are connected to the hydraulic cylinder through oil pipes, and the inner side of the bucket is connected to an arc panel.

[0008] Preferably, in the remote-controlled multi-petal grab, a wireless communication device electrically connected to the controller is provided in the lower support beam.

[0009] Preferably, the remote-controlled multi-petal grab bucket has six petals, and the back side of the curved panel is connected with reinforcing ribs.

[0010] Preferably, in the remote-controlled multi-petal grab, an electromagnetic control valve is provided on the hydraulic hose connecting the oil inlet of the hydraulic cylinder body and an oil tank, and a one-way valve is provided on the hydraulic hose connecting the oil outlet of the hydraulic cylinder body and another oil tank.

[0011] Preferably, in the remote-controlled multi-petal grab bucket, the petals are hingedly connected to the side surfaces of the lower support beam.

[0012] By means of the above solution, the utility model has at least the following advantages:

[0013] 1. The arc-shaped panel of the utility model is installed on the inner side of the bucket petal, which can achieve a larger bucket capacity with a smaller bucket body size;

[0014] 2. The lower support beam of the utility model adopts a cylindrical structure, which can reduce the material consumption and make the structure light compared with the equivalent hexagonal structure;

[0015] 3. The movable beam of the utility model adopts an upper cylindrical and lower rectangular structure, so that the movable beam can pass through the upper supporting beam, thereby reducing the overall height of the grab bucket and also reducing the overall weight.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model from another viewing angle. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0022] The specific operation process of the utility model has been disclosed in the patent: A wireless remote-controlled multi-petal grab (CN202022784740.2). Their operation methods are the same and no further description will be made here.

[0023] Example

[0024] like Figure 1 and Figure 2As shown, a remote-controlled multi-petal grab bucket comprises an upper supporting beam 1, a lower supporting beam 2, a movable beam 3, a plurality of struts 4 and a petal 5, wherein the movable beam 3 is arranged between the lower supporting beam 2 and the upper supporting beam 1, the top of each strut 4 is rotatably connected to the upper supporting beam 1, the middle of each petal 5 is rotatably connected to the bottom end of the corresponding strut 4, the top of each petal 5 is rotatably connected to the lower supporting beam 2, and a plurality of petals 5 can form a closed whole after being folded together, the movable beam 3 comprises an upper movable beam 31 and a lower movable beam 32, wherein the upper movable beam 31 is a cylindrical structure, the lower movable beam 32 is a rectangular structure, and the lower movable beam 32 of the rectangular structure is sleeved on the lower end of the upper movable beam 31. A through hole is opened on 1 of the upper supporting beam, and the upper end of the upper movable beam 31 is connected to the through hole. A hydraulic cylinder is arranged in the upper movable beam 31, and the piston rod of the hydraulic cylinder is connected to the upper supporting beam 1 which can move up and down along the outer wall of the movable beam. The lower supporting beam 2 is a hollow cylindrical structure. The hydraulic cylinder (not shown) is fixed in the hollow cylindrical lower supporting beam 2. A controller for driving the piston rod of the hydraulic cylinder to extend and retract is fixed on the outer wall of the hydraulic cylinder located in the lower supporting beam 2. Oil tanks located on both sides of the controller are also arranged in the lower supporting beam. The two oil tanks are connected to the hydraulic cylinder through oil pipes, and the inner side of the bucket 5 is connected to an arc panel 6.

[0025] The arc-shaped panel of the utility model is installed on the inner side surface of the bucket petal, so that a larger bucket capacity can be achieved with a smaller bucket body size.

[0026] The lower support beam adopts a hollow cylindrical structure. Under the condition of the same diameter (hexagonal structure), the circumference is reduced, thereby reducing the weight of the support beam.

[0027] The movable beam of the utility model adopts a cylindrical structure on the top and a rectangular structure on the bottom, so that the movable beam passes through the upper supporting beam without the risk of collision, and the overall height can be reduced, thereby reducing the overall weight.

[0028] The lower support beam of the utility model is provided with a wireless communication device electrically connected with the controller.

[0029] The number of the bucket lobes in the utility model is six, and the back side of the arc-shaped panel 6 is connected with ribs 7, which can increase the strength and improve the stability of loading.

[0030] In order to provide an oil outlet for the hydraulic cylinder while supplying oil, an electromagnetic control valve (not shown in the drawings of the specification) is provided on the hydraulic hose connecting the oil inlet of the hydraulic cylinder body and an oil tank, and a one-way valve (not shown in the drawings of the specification) is provided on the hydraulic hose connecting the oil outlet of the hydraulic cylinder body and another oil tank.

[0031] The bucket petals in the utility model are connected to the side surfaces of the lower support beam by hinges.

[0032] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0033] In the description of this application, it should be noted that the terms "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply 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 this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0034] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or vertical, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A remote-controlled multi-petal grab bucket, comprising an upper bearing beam, a lower bearing beam, a movable beam, a plurality of struts and a bucket, wherein the movable beam is arranged between the lower bearing beam and the upper bearing beam, the top of each strut is rotatably connected to the upper bearing beam, the middle of each bucket is rotatably connected to the bottom end of the corresponding strut, the top of each bucket is rotatably connected to the lower bearing beam, and the plurality of buckets can form a closed whole after being folded, characterized in that: The movable beam comprises an upper movable beam and a lower movable beam, wherein the upper movable beam is a cylindrical structure and the lower movable beam is a rectangular structure, the lower movable beam of the rectangular structure is mounted below the upper movable beam, the upper supporting beam is provided with a through hole, the upper end of the upper movable beam is connected to the through hole, a hydraulic cylinder is arranged in the upper movable beam, the piston rod of the hydraulic cylinder is connected to the upper supporting beam which can move up and down along the outer wall of the movable beam, the lower supporting beam is a hollow cylindrical structure, the hydraulic cylinder is fixed in the hollow cylindrical lower supporting beam, a controller for driving the piston rod of the hydraulic cylinder to be extended and retracted is fixed to the outer wall of the hydraulic cylinder located in the lower supporting beam, and oil tanks are also arranged in the lower supporting beam respectively located on both sides of the controller, and the two oil tanks are connected to the hydraulic cylinder through oil pipes, and an arc panel is connected to the inner side of the bucket.

2. A remote-controlled multi-petal grab bucket according to claim 1, characterized in that: A wireless communication device electrically connected to the controller is provided in the lower support beam.

3. The remote-controlled multi-petal grab bucket according to claim 1, characterized in that: There are six lobes, and the back side of the arc-shaped panel is connected with reinforcing ribs.

4. The remote-controlled multi-petal grab bucket according to claim 1, characterized in that: An electromagnetic control valve is arranged on a hydraulic hose connecting an oil inlet of the hydraulic oil cylinder body and an oil tank, and a one-way valve is arranged on a hydraulic hose connecting an oil outlet of the hydraulic oil cylinder body and another oil tank.

5. The remote-controlled multi-petal grab bucket according to claim 1, characterized in that: The bucket is connected to the side surface of the lower support beam by a hinge.

Images