CN115814300B - Pliers, scissors and grabbing integrated attachment based on metamorphic mechanism and engineering machinery - Google Patents
Pliers, scissors and grabbing integrated attachment based on metamorphic mechanism and engineering machinery Download PDFInfo
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- CN115814300B CN115814300B CN202211218767.2A CN202211218767A CN115814300B CN 115814300 B CN115814300 B CN 115814300B CN 202211218767 A CN202211218767 A CN 202211218767A CN 115814300 B CN115814300 B CN 115814300B
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Abstract
The invention discloses a clamp-shear-grabbing integrated attachment based on a metamorphic mechanism and engineering machinery, comprising a frame, wherein a separating machine seat, a function conversion cylinder, a power cylinder, a connecting rod, a clamp-shear tool and a holding claw are symmetrically arranged on the left side and the right side of the frame; the separating machine base is in sliding fit with the inclined guide rail groove of the machine frame and can only translate along the inclined guide rail groove; a sliding block rocker mechanism ABC for driving the pliers scissors to open and close is arranged between the separating base and the pliers scissors; a double rocker mechanism BCDE for driving the holding claws to open and close is arranged between the separating base and the holding claws; the function conversion cylinder pushes the separation machine base to translate along the oblique guide rail groove so as to change the distance between the hinge shaft C and the hinge shaft D, further realize the conversion between the clamp cutting mode and the holding mode, and the double-rocker mechanism BCDE forms a group of metamorphic mechanisms in the clamp cutting mode and the holding mode. The tool realizes the clamping and shearing actions and the holding and grabbing actions respectively through a single set of power cylinder, and has the characteristics of convenient mode conversion, large tool unfolding range and no interference during movement.
Description
Technical Field
The invention relates to the technical field of machinery for shock resistance and disaster reduction, in particular to a pliers, scissors and grabbing integrated accessory based on a metamorphic mechanism and engineering machinery.
Background
Along with the continuous development of earthquake-resistant and disaster-reducing engineering technology, the accessory is used as an earthquake search and rescue tool and plays an increasingly important role in rescue work. However, most existing hydraulic shears have only a single function of shearing steel bars and crushing cement columns. In order to complete the tasks of shearing reinforcing steel bars, crushing cement columns and holding and grabbing heavy objects on one accessory, related researches on the clamp-shear-grabbing integrated accessory are carried out in the industry. However, the multifunctional accessory researched and developed has the technical problems that the working mode is inconvenient to switch, the unfolding range of the cutter is small, and the two cutters are easy to interfere when moving.
For example, the national patent for invention ZL201611178749.0[ P ] discloses a multifunctional engineering accessory with integrated pliers, scissors and grabs, but two sets of hydraulic cylinders are needed for driving the two cutters respectively, so that the multifunctional engineering accessory is large in size and heavy in weight. For example, the national invention patent ZL201810117681.8[ P ] discloses a multifunctional engineering tool for clamping scissors by using a single degree-of-freedom deformation mechanism, and provides a multifunctional engineering tool for clamping scissors, which can quickly complete the conversion from a clamping scissors device to a clamping grabbing device, but the invention has the advantages that the unfolding size of a cutter is limited, and two cutters are easy to interfere when moving.
Disclosure of Invention
The invention aims to provide a clamp-shear-grabbing integrated accessory based on a metamorphic mechanism, which aims to solve the technical problems that the existing multifunctional engineering accessory is inconvenient to switch working modes, the unfolding range of a cutter is small, and two cutters are easy to interfere when moving.
In order to achieve the above purpose, on the one hand, the invention provides a clamp-shear-grabbing integrated accessory based on a metamorphic mechanism, which comprises a frame, wherein a separating machine seat, a function conversion cylinder, a power cylinder, a connecting rod, a clamp-shear tool and a holding claw are symmetrically arranged on the left side and the right side of the frame; the rear end of the stand is symmetrically provided with oblique guide rail grooves, the separating stand is in sliding fit with the oblique guide rail grooves at the rear end of the stand so as to translate along the oblique guide rail grooves, and the function conversion cylinder comprises two function conversion cylinders and is respectively hinged between the stand and the rear end of the separating stand; the pliers and scissors tool comprises two pliers and scissors tools which are symmetrically arranged at the front end of the machine base, a sliding block rocker mechanism ABC for driving the pliers and scissors tools to open and close is arranged between the separating machine base and the pliers and scissors tools, a hinge shaft A of the sliding block rocker mechanism ABC is used for connecting the vicinity of the rear end of the separating machine base with a cylinder body of a power cylinder, a hinge shaft B is used for connecting the outer side of the pliers and scissors tools with a rod body of the power cylinder, and a hinge shaft C is used for connecting the rear end of the pliers and scissors tools with the front end of the separating machine base; the device comprises a frame, a separating frame, a clamping jaw, a double-rocker mechanism BCDE, a hinge shaft B, a hinge shaft D, a hinge shaft E and a connecting rod, wherein the clamping jaw is symmetrically arranged at the front end of the frame, the double-rocker mechanism BCDE for driving the clamping jaw to open and close is arranged between the separating frame and the clamping jaw, the hinge shaft B of the double-rocker mechanism BCDE is used for connecting a rod body of a power cylinder with the rear end of the connecting rod, the hinge shaft D is used for connecting the outer side of the front end of the frame with the rear end of the clamping jaw, and the hinge shaft E is used for connecting the outer side of the clamping jaw with the front end of the connecting rod;
the pliers, scissors and grabbing integrated attachment based on the metamorphic mechanism comprises two modes: a clamp cutting mode and a holding mode; the separation machine base is pushed to move along the inclined guide rail groove through the function conversion cylinder so as to realize the distance change of the hinge shaft C and the hinge shaft D of the double-rocker mechanism BCDE, and further realize the conversion of the pliers shearing mode and the grabbing mode; the double rocker mechanism BCDE forms a group of metamorphic mechanisms under the clamp cutting mode and the holding mode, so that the cutter can be unfolded in a large range and motion interference can be prevented;
the pliers and shear mode: the function conversion cylinder contracts to drive the separating machine base to move inwards along the oblique guide rail groove, the rear end of the pliers shearing tool is driven to approach, the power cylinder stretches out to enable the distance between the hinge shaft A and the hinge shaft B of the sliding block rocker mechanism ABC to be increased, the pliers shearing tool is driven to rotate inwards around the hinge shaft C to be combined, the power cylinder contracts to enable the distance between the hinge shaft A and the hinge shaft B of the sliding block rocker mechanism ABC to be reduced, and the pliers shearing tool is driven to rotate outwards around the hinge shaft C to be opened; the holding mode is as follows: the function conversion cylinder stretches out to drive the separation machine base to move outwards along the inclined guide rail groove, the rear end of the pliers shearing tool is driven to be far away, the hinge shaft C is close to the hinge shaft D, the power cylinder stretches out to drive the double rocker mechanism BCDE to rotate inwards to drive the holding claws to rotate inwards to be combined, and the power cylinder contracts to drive the double rocker mechanism BCDE to rotate outwards to drive the holding claws to rotate outwards to open.
The technical advantages of the invention are as follows: the provided pliers, scissors and grabbing integrated attachment based on the metamorphic mechanism has two modes: a pliers-cut mode and a clasping mode. The pliers shearing tool and the holding claw share a set of power cylinder for driving, the self-locking structure ensures the structural stability of the pliers shearing tool and the holding claw in two modes, and the pliers shearing and grabbing integrated tool works in a pliers shearing mode in the process of shearing reinforcing steel bars and crushing cement columns by the pliers shearing and grabbing integrated tool; when holding and grabbing the heavy object, the provided pliers, scissors and grabbing integrated accessory works in a holding and grabbing mode, the working mode is convenient to switch, and the volume and the weight are smaller. Meanwhile, a group of metamorphic mechanisms are formed in a clamp cutting mode and in a clamp grabbing mode, and when the metamorphic mechanisms rotate in the same way, the motion characteristics of the double rocker mechanisms BCDE are different, so that the clamp claw has a larger unfolding size and the clamp claw and the clamp scissors do not interfere in the mode.
On the other hand, the invention provides engineering machinery, which comprises the clamping, shearing and grabbing integrated accessory based on the metamorphic mechanism. The engineering machinery has the technical advantages of the clamp-shear-grabbing integrated accessory based on the metamorphic mechanism.
Optionally, the frame includes two of upper and lower interval arrangement, and two frame rear ends are respectively through frame connecting piece and the trunnion fixedly connected piece fixed connection piece of arranging in the middle, and two the cylinder body of function conversion jar articulates respectively between trunnion mounting and each frame.
Optionally, the frame includes preceding support body and the back support body of back-and-forth interval arrangement, preceding support body and back support body are connected through well support body, articulated shaft D is symmetrical the setting in preceding support body outer end.
Optionally, the outer end of the rear frame body is arranged in a forward inclined way, the inclined guide rail groove is arranged at the outer end of the rear frame body, and a sliding block in sliding fit with the inclined guide rail groove is arranged near the rear end of the separation machine seat.
Optionally, the pliers scissors utensil includes pliers piece, cutter connecting piece, leading edge and well sword, the cutter connecting piece sets up the pliers piece outside and be provided with the hinge hole of hinge axis B adaptation, leading edge detachable sets up the inboard front end of pliers piece, well sword detachable sets up in the middle of the inboard of pliers piece.
Optionally, the holding claws comprise two groups which are arranged at intervals up and down, and the pliers and the scissors are arranged between the two groups of holding claws.
Drawings
Fig. 1: the provided pliers, scissors and grabbing integrated accessory based on the metamorphic mechanism is a three-dimensional structure schematic diagram.
Fig. 2: schematic of the pliers-scissors-mode pliers-scissors deployment.
Fig. 3: schematic of the jaw-to-jaw mode jaw-to-jaw closure.
Fig. 4: schematic of gripper deployment in gripper mode.
Fig. 5: schematic of the clasping claw closing in clasping mode.
Fig. 6: the clamp, the shear and the grabbing integrated tool are schematic in the clamp and the scissor component parts.
In the figure:
1. a trunnion fixing member; 2. a function conversion cylinder; 3. a hinge axis F; 4. a frame; 5. separating the machine base; 6. a hinge shaft E; 7. a power cylinder; 8. a connecting rod; 9. a hinge axis B; 10. holding claws; 11. a hinge shaft D; 12. a hinge shaft C; 13. a pliers cutter; 14. a frame connector; 15. a tool coupling; 16. a clamp piece; 17. a middle blade; 18. a front edge; 19. hinge axes a,20, hinge axis G.
Detailed Description
The existing multifunctional engineering accessory has the technical problems that the volume and the weight are large, the conversion of the working mode is inconvenient, the range of the unfolding size of the cutter is small, the two cutters are easy to interfere when moving, and the like. In order to solve the technical problems, the invention provides a clamp-shear-grabbing integrated accessory based on a metamorphic mechanism. The present invention will be further illustrated with reference to the following examples, but the present invention is not limited to the following examples.
As shown in fig. 1 to 6, the pliers, scissors and gripper integrated attachment based on a metamorphic mechanism provided by the invention comprises a frame 4, wherein a separating base 5, a function conversion cylinder 2, a power cylinder 7, a connecting rod 8, pliers, scissors 13 and a gripper 10 are symmetrically arranged on the left side and the right side of the frame 4; the rear end of the frame 4 is symmetrically provided with oblique guide rail grooves, the rear end of the separation frame 5 is provided with a sliding block, and the sliding block is in sliding fit with the oblique guide rail grooves so that the separation frame can only translate along the oblique guide rail grooves, and the function conversion cylinder 2 comprises two function conversion cylinders which are respectively hinged between the frame 4 and the rear end of the separation frame 5; the pliers and scissors tool 13 comprises two symmetrically arranged at the front end of the machine base, a sliding block rocker mechanism ABC for driving the pliers and scissors tool 13 to open and close is arranged between the separating machine base 5 and the pliers and scissors tool 13, a hinge shaft A19 of the sliding block rocker mechanism ABC is used for connecting the vicinity of the rear end of the separating machine base 5 with a cylinder body of the power cylinder 7, a hinge shaft B9 is used for connecting the outer side of the pliers and scissors tool 13 with a rod body of the power cylinder 7, and a hinge shaft C12 is used for connecting the rear end of the pliers and scissors tool 13 with the front end of the separating machine base 5; the holding claw 10 is symmetrically arranged at the front end of the machine base, a double-rocker mechanism BCDE for driving the holding claw 10 to open and close is arranged between the separation machine base 5 and the holding claw, a hinge shaft B9 of the double-rocker mechanism BCDE is used for connecting a rod body of the power cylinder 7 with the rear end of the connecting rod 8, a hinge shaft D11 is used for connecting the outer side of the front end of the machine frame 4 with the rear end of the holding claw 10, and a hinge shaft E5 is used for connecting the outer side of the holding claw 10 with the front end of the connecting rod 8; the pliers, scissors and grabbing integrated attachment based on the metamorphic mechanism comprises two modes: a clamp cutting mode and a holding mode; the separation machine base 5 is pushed to move along the oblique guide rail groove by the function conversion cylinder 2 so as to realize the distance change between the hinge shaft C12 and the hinge shaft D11 of the double-rocker mechanism BCDE, further realize the conversion between a clamp cutting mode and a holding mode, and the double-rocker mechanism BCDE forms a group of metamorphic mechanisms in the clamp cutting mode and the holding mode so as to enable the cutters to be unfolded in a large range and prevent motion interference.
Specifically, the provided integrated accessory is of a symmetrical structure, and each end of the symmetrical structure is formed by connecting a sliding block rocker mechanism ABC and a double rocker mechanism BCDE in parallel. The slide block rocker mechanism ABC is hinged with the double rocker mechanism BCDE through a hinge shaft B9. The slide block rocker mechanism ABC consists of a hinge shaft A and a hinge shaft C on the separating machine base 5, two hinge shafts B and a hinge shaft C on the pliers scissors 13, and connecting line sections between the three hinge shafts, wherein two adjacent rod pieces are mutually hinged, and pushing and withdrawing of the power cylinder 7 are regarded as slide block movement. The slider rocker mechanism BCDE consists of two hinge shafts B, C on the pliers scissors 13, two hinge shafts D, E on the holding claws and connecting line segments between the four hinge shafts, and two adjacent rod pieces are mutually hinged.
The slider rocker mechanism ABC comprises a power cylinder 7, a separating base 5, a pliers and scissors tool 13, a hinge shaft B9 and a hinge shaft C12. Through holes are designed at the upper end and the lower end of the separation base 5, trunnions of the power cylinders, namely the hinge shaft A is hinged in the through holes at the upper end of the separation base 5, and the through holes at the lower end of the separation base 5 are hinged with one ends of the clamping pieces 16 of the clamping scissors 13 through the hinge shaft C12. The through hole of the power cylinder 7 is hinged with one end of the through hole of the cutter connecting piece 15 of the pliers scissor 13 through a hinge shaft B9. The double rocker mechanism BCDE comprises a living hinge on the separating base 5, the living hinge being a hinge axis C on the separating base 5. During mode conversion, the function conversion cylinder 2 is pushed out or retracted, the movable hinge moves along with the separation base 5, the double rocker mechanism BCDE forms a group of metamorphic mechanisms by changing the length of the rod, and when the double rocker mechanism BCDE rotates in the clamp cutting mode and the clamp grabbing mode, the motion characteristics of the double rocker mechanism BCDE are different, so that the clamp claw 10 has a larger unfolding size and the clamp claw 10 and the clamp cutter 13 do not interfere during the mode.
The double rocker mechanism BCDE comprises a holding claw 10, a connecting rod 8, a frame 4, a thin short shaft 6 and a thin short shaft 11, and the double rocker mechanism BCDE and the slider rocker mechanism ABC jointly comprise a separating base 5, a pliers cutter 13, a hinge shaft B9 and a hinge shaft C12. One end of the through hole at the two ends of the holding claw 10 is hinged with the through hole at one end of the connecting rod 8, and the other end is hinged with the through hole at the lower end of the frame 4 through the thin short shaft 6; the other end through hole of the connecting rod 8 is hinged with the through hole on the cutter connecting piece 15 on the pliers scissor 13 through the hinge shaft B9. The through hole on the jaw 16 of the jaw scissors 13 is hinged with the through hole at the lower end of the separating machine base 5 through a hinge shaft C12. The length of a rod piece in the double rocker mechanism BCDE can be changed through the movement of the separation machine base 5 by the function conversion cylinder 2, namely, the length of connecting line segments of two adjacent hinge shafts is changed, so that the current mode is determined, when in the pliers shearing mode, the function conversion cylinder 2 is retracted, the power cylinder 7, the pliers scissors tool 13 and the hinge shaft C12 move to the inner side of the oblique guide rail groove along with the movement of the separation machine base 5, the power cylinder 7 is pushed out, and at the moment, the gripper 10 is outwards unfolded, and the pliers scissors tool 13 is inwards closed. In the holding mode, the function conversion cylinder 2 is pushed out, the power cylinder 7, the pliers and scissors tool 13 and the hinge shaft C12 move to the outer side of the inclined guide rail groove along with the separation machine base 5, the power cylinder 7 is pushed out, the holding claw 10 is closed inwards at the moment, and the pliers and scissors tool 13 is closed inwards. When external force is applied, the oblique guide rail groove on the frame 4 and the separating frame 5 generate self-locking force, and the relative positions of the frame 4 and the separating frame 5 are locked.
The provided clamp-shear-grabbing integrated accessory works in a clamp-shear mode in the process of shearing reinforcing steel bars and crushing cement columns, and works in a clamp-grabbing mode when grabbing heavy objects. The following is a detailed description with reference to fig. 2, 3, 4 and 5.
As shown in fig. 2 and 3, in the pliers-cutting mode, the function switching cylinder 2 is contracted to drive the separating frame 5 to move inwards along the oblique guide rail groove, the rear end of the driving pliers cutter 13 is close, the power cylinder 7 is extended to increase the distance between the hinge axis a19 and the hinge axis B9 of the slider rocker mechanism ABC, the driving pliers cutters are rotated inwards around the hinge axis C12 to be combined, the power cylinder 7 is contracted to decrease the distance between the hinge axis a19 and the hinge axis B9 of the slider rocker mechanism ABC, and the driving pliers cutters are rotated outwards around the hinge axis C12 to be opened.
When in the pliers cutting mode, the function conversion cylinder 2 is retracted, the power cylinder 7, the pliers cutting tool 13 and the hinge shaft C12 move to one side of the oblique guide rail groove along with the separating machine base 5, the power cylinder 7 is pushed out, the holding claw 10 is unfolded outwards at the moment, and the pliers cutting tool 13 is closed inwards. Avoiding the interference of the pliers and the scissors and the holding claw.
As shown in fig. 4 and 5, the clasping mode: the function conversion cylinder 2 stretches out to drive the separation machine base 5 to move outwards along the oblique guide rail groove, the rear end of the clamp shear tool is driven to be far away, the hinge shaft C12 is close to the hinge shaft D11, the power cylinder 7 stretches out to drive the double-rocker mechanism BCDE to rotate inwards, the clamping claw 10 is driven to rotate inwards to be combined, meanwhile, the power cylinder 7 stretches out to drive the clamp shear tool 13 to rotate inwards around the hinge shaft C, the clamping claw 10 and the clamp shear tool 13 have the same movement trend, and the clamping claw 10 is always located on the inner side of the clamp shear tool 13, so that movement interference is prevented. On the contrary, the power cylinder 7 contracts to drive the double rocker mechanism BCDE to rotate outwards to drive the holding claw 10 to rotate outwards to open, meanwhile, the power cylinder 7 also contracts to drive the pliers scissors 13 to rotate outwards around the hinge shaft C, the pliers scissors 13 have the same movement trend, and the holding claw 10 is always on the inner side of the pliers scissors 13, so that movement interference is prevented. That is, in the holding mode, the function switching cylinder 2 is pushed out, the power cylinder 7, the pliers and scissors tool 13 and the hinge shaft C12 move to the other side of the oblique guide rail groove along with the separation base 5, the power cylinder 7 is pushed out, and at this time, the holding claw 10 is closed inwards, and the pliers and scissors tool 13 is closed inwards. In the holding mode, the external force is converted into self-locking force of the separation machine base 5 and the oblique guide rail groove on the machine frame 4, and the relative position of the separation machine base 5 and the machine frame 4 is locked. The self-locking structure ensures the structural stability of the self-locking structure in the holding mode.
During mode conversion, the function conversion cylinder 2 is pushed out or retracted, the movable hinge moves along with the separation base, the double rocker mechanism BCDE forms a group of metamorphic mechanisms by changing the length of the rod in the clamp cutting mode and the clasping mode, and when the clamp cutting mode and the clasping mode rotate in the same way, the motion characteristics of the double rocker mechanism BCDE are different, so that the clasping claw 10 has a larger unfolding size. In the clamp shearing mode, the clamp claw is opened, the clamp shearing tool is closed, the movement trend is different, in the clamp shearing mode, the clamp claw and the clamp shearing tool are simultaneously closed or simultaneously opened, the movement trend is the same, and the clamp claw 10 and the clamp shearing tool 13 do not interfere.
The frame 4 is fixedly connected with the frame connecting piece 14, the frame connecting piece 14 is fixedly connected with the function conversion cylinder trunnion fixing piece 1, the function conversion cylinder 2 trunnion, namely the hinge shaft G is hinged with a through hole at the upper end of the frame 4 and a through hole of the function conversion cylinder trunnion fixing piece 1, and a through hole of an earring of the function conversion cylinder 2 is hinged with a through hole at the top of the separation machine seat 5 through a function conversion cylinder pin shaft 3. The central line of the inclined guide rail groove on the frame 4 forms an inclined angle with the vertical direction of the frame 4, so that the pliers scissors 13 and the holding claws 10 are unfolded to be larger in size and can be closed. The shape of the oblique guide rail groove on the frame 4 is the same as the sliding part of the separating frame 5. When the mode is determined and the system is subjected to external force, the pliers and scissors tool 13 receives the counterforce of the pliers shearing force, if the counterforce of the pliers shearing force takes moment from the center of the sliding block on the separating machine seat 5, the sliding block on the separating machine seat 5 receives the overturning moment, the oblique guide rail groove on the machine frame 4 generates the counter moment of the overturning moment on the center of the sliding block on the separating machine seat 5, and the force is converted into the friction force, namely the self-locking force, of the sliding block part in the separating machine seat 5, which is parallel to the direction of the guide rail groove in the machine frame 4, so that the relative positions of the two are locked. When the system is not subjected to external force, the function conversion cylinder 2 can enable the separation base 5 and the frame 4 to move relatively, so that the mode is switched.
In some preferred embodiments, as shown in fig. 1, the holding claw 10 has a substantially T-shaped structure, including a cross bar and a vertical bar extending outward from the middle of the cross bar, a hinge shaft E5 is provided at the outer end of the vertical bar, a hinge shaft D11 is provided at one end of the cross bar, and the front end of the holding claw 10 is provided at the other end of the cross bar and is inclined toward a side away from the cross bar, so that the holding claw 10 has the same movement tendency as the pliers cutter 13 in the holding mode and the holding claw 10 is always inside the pliers cutter 13. Preferably, the holding claws 10 comprise two groups which are arranged at intervals up and down, and the pliers scissors 13 are arranged between the holding claws 10 of the two groups.
As shown in fig. 1, in some preferred embodiments, the frames 4 include two frames arranged at intervals from top to bottom, the rear ends of the two frames 4 are fixedly connected with the trunnion fixing members 1 arranged in the middle through frame connecting members 14, and the cylinder bodies of the two function conversion cylinders 2 are respectively hinged between the trunnion fixing members 1 and the frames 4. The frame 4 comprises a front frame body and a rear frame body which are arranged at intervals from front to back, the front frame body is connected with the rear frame body through a middle frame body, and the hinge shafts D11 are symmetrically arranged at the outer ends of the front frame body. The outer end of the rear frame body is obliquely arranged forwards, the oblique guide rail groove is arranged at the outer end of the rear frame body, and a sliding block which is in sliding fit with the oblique guide rail groove is arranged near the rear end of the separation machine seat 5.
The frame 4 is provided with an oblique guide rail groove, and the shape of the oblique guide rail groove is the same as that of the sliding part of the separating machine seat 5. When the mode is determined and the pliers scissors are subjected to external force, the sliding parts of the oblique guide rail grooves and the separating machine base 5 generate self-locking force to lock the separating machine base 5 from moving, so that the relative positions of the separating machine base 5 and the frame 4 are locked, and the stability and the reliability of the metamorphic mechanism are improved. And, be equipped with the oblique guide rail groove on the frame 4, the axis in oblique guide rail groove is the angle of inclination of a fine setting according to geometry with the vertical direction of frame 4 for pincers scissors utensil 13 and arming claw 10 expand bigger size and can close.
As shown in fig. 6, in some preferred embodiments, the pliers scissors 13 include a pliers sheet 16, a cutter link 15, a front blade 18 and a middle blade 17, the cutter link 15 being disposed outside the pliers sheet 16 and provided with a hinge hole adapted to the hinge axis B9, the front blade 18 being detachably disposed at an inner front end of the pliers sheet 16, and the middle blade 17 being detachably disposed in an inner middle of the pliers sheet 16. Preferably, the clamp piece 16 is fixedly connected with the cutter connecting piece 15 through bolts, and the clamp piece 16 is fixedly connected with the middle blade 17 and the front blade 18 through bolts respectively.
The provided pliers-shear-grabbing integrated accessory based on the metamorphic mechanism is driven by the power cylinder 7 shared by the pliers-shear accessory 13 and the holding claw 10, the self-locking structure ensures the structural stability of the pliers-shear accessory in two modes, and the provided pliers-shear integrated accessory works in a pliers-shear mode in the process of shearing reinforcing steel bars and crushing cement columns by the pliers-shear-grabbing integrated accessory; when holding and grabbing heavy objects, the provided integrated accessory works in a holding and grabbing mode, the mode is convenient to convert, the size is small, the weight is small, a group of metamorphic mechanisms are formed in a clamp shearing mode and in the holding and grabbing mode, and when the clamp shearing mode and the clamp grabbing mode rotate, the motion characteristics of the double rocker mechanisms BCDE are different, so that the holding claw 10 has a larger unfolding size and the holding claw 10 and the clamp shearing tool 13 do not interfere in the mode.
Furthermore, the invention provides engineering machinery, which comprises the clamping, shearing and grabbing integrated accessory based on the metamorphic mechanism. The engineering machinery has the technical advantages of the clamp-shear-grabbing integrated accessory based on the metamorphic mechanism.
Finally, it should be noted that the hydraulic cylinders are preferably used as the function conversion cylinders and the power cylinders in the above embodiments. Further, in other implementations, the function switching cylinder and the power cylinder are preferably pneumatic cylinders. Still further, in other implementations, the function switching cylinder and the power cylinder are preferably electric linear cylinders. Because the expansion control of the hydraulic cylinder, the pneumatic cylinder and the electric linear cylinder are all conventional application technologies in industry, the working principle of the hydraulic cylinder, the pneumatic cylinder and the electric linear cylinder is not repeated here.
The above examples are merely illustrative of the invention and are not intended to limit the invention to the particular embodiments thereof. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any obvious variations or modifications which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. Pliers, scissors and grabs integrative accessory based on metamorphic mechanism, which is characterized in that:
the multifunctional electric power tool comprises a frame (4), wherein a separating machine seat (5), a function conversion cylinder (2), a power cylinder (7), a connecting rod (8), a clamp-scissors tool (13) and a holding claw (10) are symmetrically arranged on the left side and the right side of the frame (4);
the rear end of the frame (4) is symmetrically provided with oblique guide rail grooves, the separating base (5) is in sliding fit with the oblique guide rail grooves at the rear end of the frame (4) so as to translate along the oblique guide rail grooves, and the function conversion cylinder (2) comprises two function conversion cylinders which are respectively hinged between the frame (4) and the rear end of the separating base (5); the length direction of the separation machine seat (5) is perpendicular to the extending direction of the oblique guide rail groove;
the pliers and scissors tool (13) comprises two slide block rocker mechanisms ABC which are symmetrically arranged at the front end of the frame (4), the slide block rocker mechanisms ABC are arranged between the separating base (5) and the pliers and used for driving the pliers and scissors tool to open and close, and each slide block rocker mechanism ABC comprises a power cylinder (7), the separating base (5), the pliers and scissors tool (13), a hinge shaft B (9) and a hinge shaft C (12); the upper end and the lower end of the separation base (5) are respectively provided with a through hole, the trunnion of the power cylinder, namely the hinge shaft A, is hinged in the through hole at the upper end of the separation base (5), and the through hole at the lower end of the separation base (5) is hinged with one end of a clamping piece (16) of the clamping and shearing tool (13) through the hinge shaft C (12); the through hole of the power cylinder (7) is hinged with one end of the through hole of the cutter connecting piece (15) of the pliers scissors (13) through the hinge shaft B (9); the rear end of the separating base (5) is connected with the cylinder body of the power cylinder (7), the hinge shaft B (9) is used for connecting the outer side of the pliers scissors (13) with the rod body of the power cylinder (7), and the hinge shaft C (12) is used for connecting the rear end of the pliers scissors (13) with the front end of the separating base (5);
the pliers scissors (13) comprise pliers pieces (16), cutter connecting pieces (15), front blades (18) and middle blades (17), wherein the cutter connecting pieces (15) are arranged on the outer sides of the pliers pieces (16) and are provided with hinge holes matched with the hinge shafts B (9), the front blades (18) are detachably arranged at the front ends of the inner sides of the pliers pieces (16), and the middle blades (17) are detachably arranged in the middle of the inner sides of the pliers pieces (16);
the clamping claw (10) is symmetrically arranged at the front end of the machine base, a double-rocker mechanism BCDE for driving the clamping claw (10) to open and close is arranged between the separating machine base (5) and the clamping claw (10), the double-rocker mechanism BCDE comprises the clamping claw (10), a connecting rod (8), a frame (4), a hinge shaft E (6) and a hinge shaft D (11), and the separating machine base (5), a pliers scissors tool (13), a hinge shaft B (9) and a hinge shaft C (12) are jointly contained with the sliding block rocker mechanism ABC; one end of the through hole at two ends of the holding claw (10) is hinged with the through hole at one end of the connecting rod (8), and the other end is hinged with the through hole at the lower end of the frame (4) through the hinge shaft E (6); the other end through hole of the connecting rod (8) is hinged with the through hole on the cutter connecting piece (15) on the pliers scissor tool (13) through the hinge shaft B (9); the through hole on the jaw (16) of the jaw scissors (13) is hinged with the through hole at the lower end of the separating machine seat (5) through a hinge shaft C (12); the hinge shaft B (9) of the double rocker mechanism BCDE is used for connecting a rod body of the power cylinder (7) with the rear end of the connecting rod (8), the hinge shaft D (11) is used for connecting the outer side of the front end of the frame (4) with the rear end of the holding claw (10), and the hinge shaft E (6) is used for connecting the outer side of the holding claw (10) with the front end of the connecting rod (8);
the pliers, scissors and grabbing integrated attachment based on the metamorphic mechanism comprises two modes: a clamp cutting mode and a holding mode; the separation machine base (5) is pushed to move along the inclined guide rail groove by the function conversion cylinder (2) so as to change the distance between the hinge shaft C (12) and the hinge shaft D (11) of the double-rocker mechanism BCDE, and further realize the conversion of the pliers shearing mode and the clasping mode; the double rocker mechanism BCDE forms a group of metamorphic mechanisms under the clamp cutting mode and the holding mode, so that the cutter can be unfolded in a large range and motion interference can be prevented;
the pliers and shear mode: the function conversion cylinder (2) is contracted to drive the separation machine base (5) to move inwards along the inclined guide rail groove, the rear end of the pliers and shears tool (13) is driven to approach, the power cylinder (7) extends to enable the distance between the hinge shaft A (19) and the hinge shaft B (9) of the sliding block rocker mechanism ABC to be increased, the pliers and shears tool (13) are driven to rotate inwards around the hinge shaft C (12) to be combined, the power cylinder (7) is contracted to enable the distance between the hinge shaft A (19) and the hinge shaft B (9) of the sliding block rocker mechanism ABC to be reduced, and the pliers and shears tool (13) are driven to rotate outwards around the hinge shaft C (12) to be opened;
the holding mode is as follows: the function conversion cylinder (2) stretches out to drive the separation machine base (5) to move outwards along the inclined guide rail groove, the rear end of the pliers shearing tool (13) is driven to be far away, the hinge shaft C (12) is close to the hinge shaft D (11), the power cylinder (7) stretches out to drive the double rocker mechanism BCDE to rotate inwards to drive the holding claw (10) to rotate inwards to be combined, and the power cylinder (7) contracts to drive the double rocker mechanism BCDE to rotate outwards to drive the holding claw (10) to rotate outwards to be opened;
the frame (4) comprises a front frame body and a rear frame body which are arranged at intervals in the front-back direction, the front frame body is connected with the rear frame body through a middle frame body, and the hinge shafts D (11) are symmetrically arranged at the outer ends of the front frame body;
the outer end of the rear frame body is arranged in a forward inclined mode, the inclined guide rail groove is formed in the outer end of the rear frame body, and a sliding block in sliding fit with the inclined guide rail groove is arranged at the rear end of the separation machine seat (5).
2. The metamorphic mechanism-based pliers, scissors and grabs an integral attachment of claim 1, wherein: the machine frames (4) comprise two machine frames which are vertically arranged at intervals, the rear ends of the two machine frames (4) are fixedly connected with the trunnion fixing and connecting pieces (1) which are arranged in the middle through machine frame connecting pieces (14) respectively, and the cylinder bodies of the two function conversion cylinders (2) are hinged between the trunnion fixing and connecting pieces (1) and the machine frames (4) respectively.
3. The metamorphic mechanism-based pliers, scissors and grabs an integral attachment of claim 1, wherein:
when the mode is determined and the system receives external force, the pliers and scissors tool (13) receives the counterforce of the pliers shearing force, if the counterforce of the received pliers shearing force takes moment to the center of the sliding block on the separating machine seat (5), the sliding block on the separating machine seat (5) receives overturning moment, the inclined guide rail groove on the machine frame (4) generates the counter moment of the overturning moment to the center of the sliding block on the separating machine seat (5), the force is converted into the friction force parallel to the direction of the guide rail groove, namely the self-locking force, in the separating machine seat (5), the relative positions of the two parts are locked, and when the system does not receive the external force, the functional conversion cylinder (2) can enable the separating machine seat (5) to move relative to the machine frame (4), so that the mode is switched.
4. The metamorphic mechanism-based pliers, scissors and grabs an integral attachment of claim 1, wherein:
the pliers (16) are fixedly connected with the cutter connecting piece (15) through bolts, and the pliers (16) are respectively fixedly connected with the middle blade (17) and the front blade (18) through bolts.
5. The metamorphic mechanism-based pliers, scissors and grabs an integral attachment of claim 1, wherein: the holding claws (10) comprise two groups which are arranged at intervals up and down, and the pliers and shearing cutters (13) are arranged between the two groups of holding claws (10).
6. An engineering machine, characterized in that: a pliers-shear-grip integrated attachment comprising a metamorphic mechanism according to any one of claims 1 to 5.
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| CN202211218767.2A CN115814300B (en) | 2022-10-07 | 2022-10-07 | Pliers, scissors and grabbing integrated attachment based on metamorphic mechanism and engineering machinery |
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| CN202211218767.2A CN115814300B (en) | 2022-10-07 | 2022-10-07 | Pliers, scissors and grabbing integrated attachment based on metamorphic mechanism and engineering machinery |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800044U (en) * | 2010-08-09 | 2011-04-20 | 西安石油大学 | Portable manipulator for rescue |
| JP2012176481A (en) * | 2011-02-27 | 2012-09-13 | Purex:Kk | Linear motion link mechanism, and search-pulling-out and spreading-out operation device of cloth material sheet using the same |
| CN104972477A (en) * | 2015-07-21 | 2015-10-14 | 北京工业大学 | Multifunctional engineering accessory for six-bar mechanism |
| CN108788290A (en) * | 2018-06-25 | 2018-11-13 | 上海杨岐视觉机器人有限公司 | A kind of centering type robot hand of shear |
| CN109723234A (en) * | 2019-01-21 | 2019-05-07 | 北京工业大学 | A kind of pincers with double-slider deformation mechanism cut the integrated multifunctional engineering accessory of expansion |
| CN109760084A (en) * | 2019-02-01 | 2019-05-17 | 哈尔滨工业大学（深圳） | A kind of modularization trapping manipulator becoming born of the same parents based on kinematic pair |
| CN111515998A (en) * | 2020-05-22 | 2020-08-11 | 北京工业大学 | Semi-hidden movable holding claw hydraulic clamp based on spatial four-bar mechanism |
| WO2021118385A1 (en) * | 2019-12-10 | 2021-06-17 | федеральное государственное автономное образовательное учреждение высшего образования "Московский физико-технический институт (национальный исследовательский университет)" | Gripping device and operating method thereof |
| CN217453943U (en) * | 2022-06-29 | 2022-09-20 | 北京钢铁侠科技有限公司 | Multi-mode manipulator for industrial robot |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7937838B2 (en) * | 2009-05-12 | 2011-05-10 | Patton Tommy L | Hydraulic rescue tool with quick-change head |
-
2022
- 2022-10-07 CN CN202211218767.2A patent/CN115814300B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201800044U (en) * | 2010-08-09 | 2011-04-20 | 西安石油大学 | Portable manipulator for rescue |
| JP2012176481A (en) * | 2011-02-27 | 2012-09-13 | Purex:Kk | Linear motion link mechanism, and search-pulling-out and spreading-out operation device of cloth material sheet using the same |
| CN104972477A (en) * | 2015-07-21 | 2015-10-14 | 北京工业大学 | Multifunctional engineering accessory for six-bar mechanism |
| CN108788290A (en) * | 2018-06-25 | 2018-11-13 | 上海杨岐视觉机器人有限公司 | A kind of centering type robot hand of shear |
| CN109723234A (en) * | 2019-01-21 | 2019-05-07 | 北京工业大学 | A kind of pincers with double-slider deformation mechanism cut the integrated multifunctional engineering accessory of expansion |
| CN109760084A (en) * | 2019-02-01 | 2019-05-17 | 哈尔滨工业大学（深圳） | A kind of modularization trapping manipulator becoming born of the same parents based on kinematic pair |
| WO2021118385A1 (en) * | 2019-12-10 | 2021-06-17 | федеральное государственное автономное образовательное учреждение высшего образования "Московский физико-технический институт (национальный исследовательский университет)" | Gripping device and operating method thereof |
| CN111515998A (en) * | 2020-05-22 | 2020-08-11 | 北京工业大学 | Semi-hidden movable holding claw hydraulic clamp based on spatial four-bar mechanism |
| CN217453943U (en) * | 2022-06-29 | 2022-09-20 | 北京钢铁侠科技有限公司 | Multi-mode manipulator for industrial robot |
Non-Patent Citations (1)
| Title |
|---|
| 一种多功能工程属具的设计与研究;张浩;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;全文 * |
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| CN115814300A (en) | 2023-03-21 |
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