Multi-functional engineering attachment for clamping, cutting, and grasping with a single degree of freedom variable topology mechanism

A multi-functional engineering attachment for clamping, cutting and grasping with single-degree of freedom variable topology mechanism, comprising:

• two hydraulic cylinders (1), a base (2), two separating bases (3), two driving hydraulic cylinders (4) that each connect to one of the separating bases (3), hydraulic scissors (5), a grasping connecting rod (6), a grasping claw (7), a separating connecting rod (8), a base guide rod (9), a base slider (10), a separating slider (11), a first connecting rod (12), a second connecting rod (13) and a separating slider track groove (14),
• wherein an overall appearance of the hydraulic scissors (5) is a triangular plate structure with teeth on one side, and with three corners, wherein a sideline connecting a first one of the corners and a second one of the corners comprises teeth,
• wherein an overall appearance of the structure of the grasping claw (7) is a triangular plate with additional three corners, wherein first one of the additional corners comprises a hook as a tip of the claw,
• wherein the hydraulic scissors (5) and the grasping claw (7) are matched in pairs,
• wherein axial directions of the two hydraulic cylinders (1) are arranged in a plane in parallel, one end of one hydraulic cylinder is staggered opposite to one end of the other hydraulic cylinder, wherein the two staggered opposite ends are respectively attached to upper parts of the separating bases (3), other ends of the two hydraulic cylinders (1) are attached to the base (2), and the two hydraulic cylinders (1) are configured to push the two separating bases (3) to move along the axes of two hydraulic cylinders (1) with the two separating bases (3) moving in opposite directions,
• wherein a left one and a right one of the axial directions of the two hydraulic cylinders (1) as a direction of the X-axis, a vertical direction is a Y-axis direction, and a direction perpendicular to the X-axis and Y-axis as a Z-axis, which is also an axial direction of multi-functional engineering attachment for clamping, cutting and wherein, thereafter, the separating bases (3) are arranged symmetrical along the Y-axis, lower parts of the separating bases (3) comprise a triangular deletion along the Z-axis, and middle and lower parts of the separating base (3) comprise grooves on two sides along the X-axis;
• wherein the lower part of the separating bases (3) comprises a through hole along the Z-axis direction, and the first connecting rod (12) is installed in the through hole and parallel to the Z-axis, the lower part grooves of the separating bases (3) are connected to the first corner of the hydraulic scissors (5) by a hinge, and the hinge between the separating base (3) and the first corner of the hydraulic scissors (5) is lower than the first connecting rod (12) in the Z-axis direction,
• wherein the groove in the middle part of the separating bases (3) is attached to one end of the driving hydraulic cylinder (4), the other end of the driving hydraulic cylinder (4) is connected to a third one of the corners of the hydraulic scissors (5) by a further hinge,
• wherein the separating bases (3), the driving hydraulic cylinder (4) and the hydraulic scissors (5) constitute a three-bar structure,
• wherein the first connecting rod (12) outside the Z-axis direction of the separating base (3) is connected by a hinge with first additional corner of the grasping claw (7) through the separating connecting rod (8), the separating slider (11) is provided protruding from the first additional corner of the grasping claw (7) along the direction of Z-axis, the separating slider (11) is located inside of a vertical and rectangular separating slider track groove (14), the separating slider (11) can slide up and down, and the separating slider track groove is fixed to the base (2);
• wherein a through hole is provided in a second one of the additional corners of the grasping claw (7) along the Z-axis, the second connecting rod (13) is installed through the through hole,
• wherein the second connecting rod (13) is parallel to the Z-axis, and the grasping connecting rod (6) is adapted to connect the third corner of the hydraulic scissors (5) and the second connecting rod (13),
• wherein the third corner of the hydraulic scissors (5) and the grasping connecting rod (6) are connected by a still further hinge, and the second connecting rod (13) is rotatably connected to the grasping connecting rod (6),
• wherein the base slider (10) is fixed onto and protrudes from an outer side and along the Z-axis of the separating base (3), a through hole is formed in the inner part of the base slider (10) along the X-axis,
• and wherein the base guide rod (9) is installed through the through hole and is parallel to X-axis, the two ends of the base guide rod (9) are fixed on the base (2).