Lotus grasping clamp capable of flexibly grasping

Abstract

The utility model provides a lotus grabbing clamp capable of grabbing flexibly, which comprises a lug frame assembly, a support assembly is hinged to the lower end of the lug frame assembly through a pin shaft, a connecting seat is arranged on the outer edge of the support assembly, a clamp body assembly is hinged to the connecting seat, and an oil cylinder is hinged between the connecting seat and the clamp body assembly. The oil cylinder pushes the clamping body assembly to rotate along the support assembly, and opening and closing of the clamping body assembly are achieved. The clamp body assembly is of a lotus-shaped structure, objects can be grabbed more flexibly, an oil cylinder pipeline is arranged on the inner side of the support assembly and is not prone to damage, and the support assembly can rotate relative to the lug frame assembly to improve the flexible swing space of the grabbing clamp.

Description

Technical Field

[0001] The utility model relates to the technical field of gripping and clamping, in particular to a lotus gripping and clamping device which can be flexibly gripped. Background Art

[0002] The grabber is one of the working devices of the excavator, which is specially designed for the specific working needs of the excavator. It is used for the processing of scrap metal, loading and unloading of stones, scrap steel, wood and other materials. The existing grabber is mainly designed for large materials, and is not suitable for grabbing small or fine materials; and the existing grabber cannot rotate, which is not flexible enough during operation. Utility Model Content

[0003] In order to solve the above-mentioned problems existing in the prior art, the utility model provides a lotus gripper that can be flexibly grasped. The clamp body assembly adopts a lotus-shaped structure to grasp a large number of small materials, and the grasping is more flexible. The cylinder pipeline is arranged on the inner side of the bracket assembly and is not easily damaged. The bracket assembly can be rotated relative to the ear frame assembly to increase the flexible space of the gripper.

[0004] The technical solution of the utility model is as follows:

[0005] A lotus gripper that can be grasped flexibly comprises an ear frame assembly, characterized in that the lower end of the ear frame assembly is hingedly connected to a bracket assembly through a pin shaft, a connecting seat is provided on the outer edge of the bracket assembly, a clamp body assembly is hingedly connected to the connecting seat, and an oil cylinder is hingedly connected between the connecting seat and the clamp body assembly; the oil cylinder pushes the clamp body assembly to rotate along the bracket assembly to realize the opening and closing of the clamp body assembly.

[0006] Among them, the bracket assembly includes a hollow circular seat, a mounting seat is arranged on the upper part of the circular seat, four connecting seats are evenly distributed on the outer circle of the circular seat, a cylinder mounting hole is arranged at the upper end of the connecting seat, a clamp assembly mounting hole is arranged at the lower end of the connecting seat, and a fastening seat is arranged on one side of the cylinder mounting hole and the clamp assembly mounting hole.

[0007] Among them, the clamp assembly includes an arc-shaped bottom plate, two mounting plates are arranged on the outside of the arc-shaped bottom plate, a reinforcing plate is arranged on the outside of the mounting plate, a sealing plate is also arranged on the mounting plate, and the reinforcing plate is provided with a cylinder mounting hole 2 and a clamp assembly mounting hole 2.

[0008] Wherein, an oil circuit block is installed in the middle of the bracket assembly, the external hydraulic oil is connected to the oil circuit block pipeline, and the oil circuit block is connected to the oil cylinder pipeline.

[0009] Wherein, a spacer sleeve is provided at the hinged joint between the connecting seat and the clamp body assembly, an oil injection nozzle is provided on the spacer sleeve, and an oil injection nozzle is provided at the hinged joint of the oil cylinder.

[0010] The bottom end of the clamp body assembly is designed to be conical, and after the four clamp body assemblies are combined, the bottom ends form a closed cone, and the whole is in the shape of a lotus.

[0011] Wherein, the hinge of the clamping body assembly and the oil cylinder is connected by a cylindrical pin, and a stopper is fixed to the cylindrical pin, and the stopper is fixed by a fastening seat.

[0012] The utility model has the following beneficial effects:

[0013] The utility model is provided with four clamp body assemblies, the bottom ends of the clamp body assemblies are designed to be conical, and the bottom ends of the four clamp body assemblies are formed into a closed cone after being combined, and the whole is in the shape of a lotus; a large number of small pieces of materials can be grasped during operation, and the grasping is more flexible; the oil cylinder pipeline is arranged on the inner side of the bracket assembly by arranging the oil circuit block, which is not easy to be damaged; the bracket assembly is hinged with the ear frame assembly through a pin shaft, so that the bracket assembly can be rotated relative to the ear frame assembly, thereby increasing the flexible swinging space of the grasping clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the partial cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the bracket assembly of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the clamp assembly of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the utility model from another perspective;

[0019] The reference numerals in the figure represent:

[0020] 1-ear bracket assembly; 2-pin shaft; 3-bracket assembly; 4-connecting seat; 5-clamp assembly; 6-oil cylinder; 7-round seat; 8-mounting seat; 9-oil cylinder mounting hole; 10-clamp assembly mounting hole; 11-fastening seat; 12-arc bottom plate; 13-mounting plate; 14-reinforcement plate; 15-oil cylinder mounting hole 2; 16-clamp assembly mounting hole 2; 17-oil circuit block; 18-oil filling nozzle; 19-cone; 20-cylindrical pin; 21-stop plate; 22-spacer; 23-sealing plate. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] like Figure 1-5As shown, a lotus gripper that can be flexibly grasped includes an ear frame assembly 1, the lower end of the ear frame assembly 1 is hinged with a bracket assembly 3 through a pin shaft 2, the outer edge of the bracket assembly 3 is provided with a connecting seat 4, the connecting seat 4 is hinged with a clamping body assembly 5, and an oil cylinder 6 is hinged between the connecting seat 4 and the clamping body assembly 5; the oil cylinder 6 pushes the clamping body assembly 5 to rotate along the bracket assembly 3 to realize the opening and closing of the clamping body assembly 5.

[0023] Preferably, the bracket assembly 3 includes a hollow circular seat 7, a mounting seat 8 is arranged on the upper part of the circular seat 7, four connecting seats 4 are evenly distributed on the outer circle of the circular seat 7, a cylinder mounting hole 9 is arranged at the upper end of the connecting seat 4, a clamp assembly mounting hole 10 is arranged at the lower end of the connecting seat 4, and a fastening seat 11 is arranged on one side of the cylinder mounting hole 9 and the clamp assembly mounting hole 10.

[0024] Preferably, the clamp assembly 5 includes an arc-shaped bottom plate 12, two mounting plates 13 are arranged on the outer side of the arc-shaped bottom plate 12, a reinforcing plate 14 is arranged on the outer side of the mounting plate 13, a sealing plate 23 is also arranged on the mounting plate 13, and a cylinder mounting hole 15 and a clamp assembly mounting hole 16 are arranged on the reinforcing plate 14.

[0025] Furthermore, the clamp assembly 5 is hinged to the clamp assembly mounting hole 10 of the bracket assembly 3 by a cylindrical pin 20 through the clamp assembly mounting hole 16; one end of the cylinder 6 is hinged to the cylinder mounting hole 9 of the bracket assembly 3 by a cylindrical pin 20, and the other end is hinged to the cylinder mounting hole 15 of the clamp assembly 5 by a cylindrical pin 20; the cylindrical pin 20 is fixed with a stop plate 21, and the stop plate 21 is fixed by a fastening seat 11.

[0026] Furthermore, the present scheme also provides an excavator. A lotus gripper that can be flexibly grasped is installed on the excavator for use. An oil circuit block 17 is installed in the middle of the bracket assembly 3. The oil circuit block 17 is configured as a long oil circuit block and a short oil circuit block. The excavator hydraulic station is connected to the oil circuit block 17 by pipeline. The oil circuit block 17 is connected to the oil cylinder 6 by pipeline. The oil cylinder 6 pushes the clamp assembly 5 to rotate along the bracket assembly 3 to realize the opening and closing of the clamp assembly 5 to grasp and transport the clamped object. By arranging the oil circuit block 17 in the middle, the oil pipe of the hydraulic oil of the oil cylinder 6 is arranged in the middle internal position, the oil pipe will not be exposed on the outside of the gripper, and the oil pipe will not be damaged during operation, thereby improving the overall service life of the product.

[0027] Furthermore, a spacer sleeve 22 is provided at the hinged joint between the connecting seat 4 and the clamping body assembly 5 , an oiling nozzle 18 is provided on the spacer sleeve 22 , and an oiling nozzle 18 is provided at the hinged joint of the oil cylinder 6 .

[0028] Further, such as Figure 5As shown, the bottom end of the clamp assembly 5 is designed to be conical 19. After the four clamp assemblies 5 are combined, the bottom ends form a closed cone 19, and the whole is in the shape of a lotus.

[0029] As an option, two or three clamping body assemblies 5 may be installed on the bracket assembly 3 .

[0030] In the description of the utility model, it is necessary to understand that the terms "one side", "upper end", "inside", "upper part", "lower part" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model 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 utility model.

[0031] In the utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and the like 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 an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A lotus gripper capable of flexible grasping, comprising an ear frame assembly (1), characterized in that: The lower end of the ear frame assembly (1) is hingedly connected to a bracket assembly (3) via a pin shaft (2); a connecting seat (4) is provided on the outer edge of the bracket assembly (3); a clamping body assembly (5) is hingedly connected to the connecting seat (4); an oil cylinder (6) is hingedly connected between the connecting seat (4) and the clamping body assembly (5); the oil cylinder (6) pushes the clamping body assembly (5) to rotate along the bracket assembly (3) to realize the opening and closing of the clamping body assembly (5); The support assembly (3) comprises a hollow circular seat (7), a mounting seat (8) is arranged on the upper part of the circular seat (7), four connecting seats (4) are evenly distributed on the outer circle of the circular seat (7), a cylinder mounting hole (9) is arranged on the upper end of the connecting seat (4), a clamping assembly mounting hole (10) is arranged on the lower end of the connecting seat (4), and a fastening seat (11) is arranged on one side of the cylinder mounting hole (9) and the clamping assembly mounting hole (10); The clamping body assembly (5) comprises an arc-shaped bottom plate (12), two mounting plates (13) are arranged outside the arc-shaped bottom plate (12), a reinforcing plate (14) is arranged outside the mounting plate (13), a sealing plate (23) is further arranged on the mounting plate (13), and a second oil cylinder mounting hole (15) and a second clamping body assembly mounting hole (16) are arranged on the reinforcing plate (14); An oil circuit block (17) is installed in the middle of the support assembly (3); external hydraulic oil is connected to a pipeline of the oil circuit block (17); and the oil circuit block (17) is connected to a pipeline of the oil cylinder (6).

2. A lotus gripper capable of flexible grasping as claimed in claim 1, characterized in that: A spacer sleeve (22) is provided at the hinged joint between the connecting seat (4) and the clamping body assembly (5), an oil injection nozzle (18) is provided on the spacer sleeve (22), and an oil injection nozzle (18) is provided at the hinged joint of the oil cylinder (6).

3. The lotus gripper capable of flexible grasping according to claim 1, characterized in that: The bottom end of the clamp body assembly (5) is designed to be conical (19), and after the four clamp body assemblies (5) are combined, the bottom ends form a closed cone (19), and the whole is in the shape of a lotus.

4. The lotus gripper capable of flexible grasping according to claim 1, characterized in that: The hinged joint of the clamping body assembly (5) and the oil cylinder (6) is connected via a cylindrical pin (20), a stopper (21) is fixed to the cylindrical pin (20), and the stopper (21) is fixed via a fastening seat (11).

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