CN210143618U

CN210143618U - Crab grabbing rod

Info

Publication number: CN210143618U
Application number: CN201920747705.8U
Authority: CN
Inventors: 李红霞; 徐钢春; 唐永凯; 徐跑; 丁惠明
Original assignee: Freshwater Fishery Research Center Chinese Academy Of Aquatic Sciences
Current assignee: Freshwater Fishery Research Center Chinese Academy Of Aquatic Sciences; Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-03-17
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to a crab snatchs pole, to the structure of snatching of traditional both sides, use two C shape tongs structures side by side respectively, constitute two sets of tongs, pull rod (2) are through removing base plate (4) in combining mobile jib (1), carry out the pulling force to two sets of tongs and pull, with the rotation of each tongs, realize two sets of tongs and rotate relatively, four-point grabbing action is provided to the crab, can provide more stable power of grabbing to the crab, improve the work efficiency that the crab snatched.

Description

Crab grabbing rod

Technical Field

The invention relates to a crab grabbing rod, and belongs to the technical field of crab decomposition.

Background

The crab is a common crustacean and is increasingly popular with eaters as one kind of food, so that the crab breeding industry is better and better, the crab grabbing becomes more troublesome due to the hard crab legs and the crab pincers of the crab, the crab grabbing still stays in a hand grabbing mode at present, the crab pincers are likely to be injured by the crab in the grabbing process carelessly, the grabbing action of the crab is greatly influenced, and the grabbing process is dangerous although the crab is delicious.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a crab grabbing rod, which adopts a brand new mechanical transmission structure and adopts a side-by-side double-C-shaped grab handle structure at two sides, so that stable clamping of crabs can be realized, and the crab grabbing work efficiency is improved.

The invention adopts the following technical scheme for solving the technical problems: the invention designs a crab grabbing rod which comprises a main rod, a pull rod, a semicircular block button, a movable base plate, a spring and two sets of grabbing devices, wherein the main rod is connected with the pull rod through the semicircular block button; the movable base plate is positioned in the main rod, the surface of the movable base plate is perpendicular to the straight line of the main rod, the spring is sleeved on the pull rod, one end of the spring is fixedly connected with the surface, back to the opening of the main rod, of the movable base plate, and the other end of the spring is fixed; the side surface of the main rod is provided with a notch penetrating through the inner space and the outer space of the main rod corresponding to the position of the end part of the pull rod, which is far away from the moving substrate, the semicircular block button is arranged in the notch, an angle structure consisting of one arc edge and a diameter edge on the semicircular block button is arranged on the outer side of the main rod, the rest part on the semicircular block button is arranged in the main rod, the circle center position of the semicircular block button is movably butted with the edge position on the inner side of the notch, the semicircular block button rotates along the arc edge path by taking the movable connection position as an axis, and the angle structure consisting of the other arc edge and the diameter edge on the semicircular block button is movably connected with the end part of the pull rod, which is far away from the; the semicircular button is pressed towards the notch, and the pull rod is pulled to move upwards based on the rotation of the semicircular button, so that the movable base plate is driven to move towards one side of the spring, and the spring is extruded;

the two sets of gripper devices have the same structure, and each set of gripper device respectively comprises a main C-shaped single gripper, an auxiliary C-shaped single gripper, a connecting rod, a driving rod and a traction rod; in each set of gripper devices, a main C-shaped single gripper and an auxiliary C-shaped single gripper are identical in shape and size, the main C-shaped single gripper and the auxiliary C-shaped single gripper are arranged side by side, the same side ends of the main C-shaped single gripper and the auxiliary C-shaped single gripper are respectively in butt joint with the two ends of a connecting rod, the plane of the main C-shaped single gripper and the plane of the auxiliary C-shaped single gripper are parallel to each other, the straight line of the connecting rod is perpendicular to the plane, and the C-shaped single gripper, the auxiliary C-shaped single gripper and the connecting rod form a single-side gripper; the end part of a butt-joint connecting rod on the main C-shaped single gripper is fixedly butted with one end of a driving rod, and the other end of the driving rod is movably butted with one end of a traction rod;

the two sets of gripper devices are arranged at the opening position of the main rod, wherein the end part of the main C-shaped single gripper in each set of gripper device, which is butted with the driving rod, is movably butted with the edge of the opening of the main rod, the two sets of gripper devices are respectively connected with the connecting line of the movable butting position of the edge of the opening of the main rod and pass through the circle center position of the opening of the main rod, the connecting rods in the two sets of gripper devices are parallel and coplanar with each other, the coplanarity of the connecting rods is vertical to the straight line of the main rod, the end part of the traction rod in each set of gripper devices, which is back to the driving rod, is movably connected with the surface of the movable substrate, which is back to the pull rod, when the movable substrate moves along with the pull rod along the direction of the opening of the main rod, the pull rod in each set of gripper devices moves along with the movable substrate, and.

As a preferred technical scheme of the invention: the automatic lifting device is characterized by further comprising an ejector rod and a sucker, wherein one end of the ejector rod is fixedly connected with the surface, facing away from the pull rod, of the movable base plate, the straight line where the ejector rod is located is perpendicular to the surface where the movable base plate is located, the sucker is arranged on the outer side of the opening, opened on the main rod, the other end of the ejector rod is fixedly connected with the top of the sucker in a butt joint mode, the suction surface of the sucker faces away from the ejector rod, and the sucker moves along with.

As a preferred technical scheme of the invention: the length of each set of gripper device connecting rod is smaller than the width of the crab body part.

Compared with the prior art, the crab grabbing rod adopting the technical scheme has the following technical effects:

(1) according to the crab grabbing rod, the two parallel C-shaped grabbing hand structures are respectively applied to the traditional grabbing structures on two sides to form two sets of grabbing hand devices, the pull rod in the main rod is combined to pull the two sets of grabbing hand devices through the moving base plate, and the two sets of grabbing hand devices rotate relatively to each other through the rotation of each grabbing hand device, so that four-point grabbing action is provided for crabs, more stable grabbing force can be provided for the crabs, and the working efficiency of crab grabbing is improved;

(2) according to the crab grabbing rod, the sucker structure is further designed to be introduced, the sucker structure is butted on the surface of the movable base plate through the ejector rod, when the two designed grabbing hand devices are applied to carry out four-point grabbing actions on crabs, the sucker moves along with the movable base plate, the sucker is adsorbed on the surface of the back of the body of the crab, a plurality of points are provided for grabbing the crabs, and more stable grabbing force is obtained.

Drawings

Figure 1 is a schematic front view of the structure of a crab gripping rod according to the present invention;

figure 2 is a side view of a gripping formation in a crab gripping bar according to the present invention.

The device comprises a main rod 1, a pull rod 2, a semicircular block button 3, a movable base plate 4, a spring 5, a main C-shaped single gripper 6, an auxiliary C-shaped single gripper 7, a connecting rod 8, a driving rod 9, a traction rod 10, an ejector rod 11, a sucker 12 and a sucker.

Detailed Description

The following description will explain embodiments of the present invention in further detail with reference to the accompanying drawings.

The invention designs a crab grabbing rod which comprises a main rod 1, a pull rod 2, a semicircular button 3, a movable base plate 4, a spring 5 and two sets of grabbing devices; as shown in fig. 1 and 2, the main rod 1 is a hollow rod, one end of the main rod 1 is open, the pull rod 2 is disposed inside the main rod 1 along a line parallel to the main rod 1, the end of the pull rod 2 facing the open end of the main rod 1 is fixedly butted with one surface of the movable substrate 4, the movable substrate 4 is disposed in the main rod 1, the surface of the movable substrate 4 is perpendicular to the line of the main rod 1, the spring 5 is sleeved on the pull rod 2, one end of the spring 5 is fixedly connected with the surface of the movable substrate 4 facing away from the open end of the main rod 1, and the other end of the spring 5 is fixed; the side surface of the main rod 1 corresponds to the position of the end part of the pull rod 2 far away from the movable substrate 4, a notch penetrating through the inner space and the outer space of the main rod 1 is arranged, the semicircular block button 3 is arranged in the notch, an angle structure formed by one arc edge and a diameter edge on the semicircular block button 3 is arranged on the outer side of the main rod 1, the rest part on the semicircular block button 3 is arranged in the main rod 1, the circle center position of the semicircular block button 3 is movably butted with the edge position on the inner side of the notch, the semicircular block button 3 rotates along the arc edge path by taking the movable connecting position as an axis, and the angle structure formed by the other arc edge and the diameter edge on the semicircular block button 3 is movably connected with the end part of the pull rod 2 far away from the movable substrate 4; pressing to the notch in for semicircle piece button 3, based on semicircle piece button 3's rotation, pulling pull rod 2 upward movement, and then drive and move base plate 4 and move to spring 5 one side, extrude to spring 5.

The two sets of gripper devices have the same structure, and each set of gripper device respectively comprises a main C-shaped single gripper 6, an auxiliary C-shaped single gripper 7, a connecting rod 8, a driving rod 9 and a traction rod 10; in each set of gripper devices, a main C-shaped single gripper 6 and an auxiliary C-shaped single gripper 7 are identical in shape and size, the main C-shaped single gripper 6 and the auxiliary C-shaped single gripper 7 are arranged side by side, the same side ends of the main C-shaped single gripper 6 and the auxiliary C-shaped single gripper 7 are respectively butted with two ends of a connecting rod 8, the plane where the main C-shaped single gripper 6 is located and the plane where the auxiliary C-shaped single gripper 7 is located are parallel to each other, the straight line where the connecting rod 8 is located is vertical to the plane, and the C-shaped single gripper 6, the auxiliary C-shaped single gripper 7 and the connecting rod 8 form a single-side gripper; the end part of a butt-joint connecting rod 8 on the main C-shaped single gripper 6 is fixedly butted with one end of a butt-joint driving rod 9, and the other end of the driving rod 9 is movably butted with one end of a traction rod 10.

Two sets of gripper devices are arranged at the opening position of the main rod 1, wherein the end part of the main C-shaped single gripper 6 in each set of gripper device, which is butted with the driving rod 9, is movably butted with the edge of the opening of the main rod 1, the connecting line of the two sets of gripper devices, which is respectively connected with the movable butting position of the edge of the opening of the main rod 1, passes through the circle center position of the opening of the main rod 1, the connecting rods 8 in the two sets of gripper devices are parallel and coplanar, the coplanarity of the connecting rods is vertical to the straight line of the main rod 1, the end part of the traction rod 10 in each set of gripper device, which is back to the driving rod 9, is movably connected with the surface of the movable base plate 4, which is back to the pull rod 2, when the movable base plate 4 moves along with the pull rod 2 in the direction of the opening of the main rod 1, the traction rod 10 in each set of gripper device moves along with, Rotate towards each other to realize the grabbing action.

According to the technical scheme, the two sets of the gripping devices are formed by respectively applying the parallel double-C-shaped gripping structures aiming at the traditional gripping structures on two sides, the pull rod 2 in the main rod 1 is combined to pull the two sets of the gripping devices through the movable base plate 4, and the two sets of the gripping devices rotate relatively to rotate the gripping devices, so that four-point gripping action is provided for the crabs, more stable gripping force can be provided for the crabs, and the working efficiency of crab gripping is improved.

Based on the technical scheme, the crab grabbing device further comprises an ejector rod 11 and a sucker 12, one end of the ejector rod 11 is fixedly connected with the surface, back to the pull rod 2, of the movable base plate 4, the straight line where the ejector rod 11 is located is perpendicular to the surface where the movable base plate 4 is located, the sucker 12 is arranged on the outer side of the open opening of the main rod 1, the other end of the ejector rod 11 is fixedly connected with the top of the sucker 12 in a butt joint mode, the suction surface of the sucker 12 faces back to the ejector rod 11, and the sucker 12 moves along with the movement of the movable base plate 4 through the ejector rod 11.

The invention designs a crab grabbing rod, in practical application, aiming at the length of each set of gripper connecting rods 8, the width of the connecting rod is designed to be smaller than the width of a crab body part, as shown in figures 1 and 2, when the semicircular button 3 is not pressed to protrude out of the side notch of the main rod 1, a spring 5 is not stressed, single-side grippers of the two sets of gripper devices are not contacted and unfolded, when the crab is required to be grabbed, the top end of the main rod 1 is held by a hand, the suction surface of a sucker 12 is used for propping against the back surface of the crab body, namely the back surface of the crab body, then the semicircular button 3 is pressed to protrude out of the side notch of the main rod 1, the semicircular button 3 rotates by taking the circle center position of the semicircular button as an axis, the part of the semicircular button 3 positioned in the main rod 1 drives the pull rod 2 to move towards the direction of the back of the moving base plate 4, and the moving base plate 4 moves along, the spring 5 is extruded, the stress of the spring 5 is shortened, at the moment, the ejector rod 11 connected with the suction disc 12 moves along with the moving base plate 4, the crabs adsorbed by the suction disc 12 move towards the pull rod 2, meanwhile, the traction rod 10 in each set of the hand grab device also moves towards the pull rod 2 along with the movement of the moving base plate 4 towards the pull rod 2, the traction rod 10 in each set of the hand grab device drives the integral structure of the main C-shaped single hand grab 6 and the connecting rod 8 to rotate by taking the movable connecting position of the main rod and the opening edge of the main rod 1 as an axis, so that the single hand grabs in the two sets of the hand grab devices move towards each other, namely, four-point grabbing operation is realized for the crabs adsorbed by the suction disc 12, the four-point grabbing operation is matched with the suction disc 12 for adsorption, stable crab grabbing operation can be provided, and the working efficiency of crab.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a crab snatchs pole which characterized in that: comprises a main rod (1), a pull rod (2), a semicircular button (3), a movable base plate (4), a spring (5) and two sets of gripping devices; the movable base plate (4) is positioned in the main rod (1), the surface of the movable base plate (4) is perpendicular to the straight line of the main rod (1), the spring (5) is sleeved on the pull rod (2), one end of the spring (5) is fixedly connected with the surface, back to the open mouth of the main rod (1), of the movable base plate (4), and the other end of the spring (5) is fixed; the side surface of the main rod (1) corresponds to the position of the end part of the pull rod (2) far away from the movable substrate (4), a notch penetrating through the inner space and the outer space of the main rod (1) is arranged, the semicircular block button (3) is arranged in the notch, an angle structure formed by one arc edge and a diameter edge on the semicircular block button (3) is arranged on the outer side of the main rod (1), the rest part on the semicircular block button (3) is arranged in the main rod (1), the circle center position of the semicircular block button (3) is movably butted with the edge position on the inner side of the notch, the semicircular block button (3) takes the movable connecting position as an axis and rotates along the arc edge path, and the angle structure formed by the other arc edge and the diameter edge on the semicircular block button (3) is movably connected with the end part of the pull rod (2) far away from the movable substrate (4); the semicircular block button (3) is pressed towards the notch, the pull rod (2) is pulled to move upwards based on the rotation of the semicircular block button (3), and then the movable base plate (4) is driven to move towards one side of the spring (5) to extrude the spring (5);

the two sets of gripper devices have the same structure, and each set of gripper device respectively comprises a main C-shaped single gripper (6), an auxiliary C-shaped single gripper (7), a connecting rod (8), a driving rod (9) and a traction rod (10); in each set of gripper device, a main C-shaped single gripper (6) and an auxiliary C-shaped single gripper (7) are identical in shape and size, the main C-shaped single gripper (6) and the auxiliary C-shaped single gripper (7) are arranged side by side, the same side ends of the main C-shaped single gripper (6) and the auxiliary C-shaped single gripper (7) are respectively butted with two ends of a connecting rod (8), the plane of the main C-shaped single gripper (6) is parallel to the plane of the auxiliary C-shaped single gripper (7), the straight line of the connecting rod (8) is vertical to the plane, and the C-shaped single gripper (6), the auxiliary C-shaped single gripper (7) and the connecting rod (8) form a single-side gripper; the end part of a butt-joint connecting rod (8) on the main C-shaped single gripper (6) is fixedly butted with one end of a driving rod (9), and the other end of the driving rod (9) is movably butted with one end of a traction rod (10);

two sets of gripper devices are arranged at the open port position of the main rod (1), wherein a main C-shaped single gripper (6) in each set of gripper device is movably butted with the end part of the butt joint of the driving rod (9) and the open port edge of the main rod (1), the two sets of gripper devices are respectively connected with the connecting line of the movable butt joint position of the open port edge of the main rod (1) and pass through the circle center position of the open port of the main rod (1), connecting rods (8) in the two sets of gripper devices are parallel and coplanar with each other, the coplanarity is vertical to the straight line of the main rod (1), the end part of a traction rod (10) in each set of gripper device, which is back to the driving rod (9), is movably connected with the surface of a movable base plate (4), which is back to the pull rod (2), and when the movable base plate (4) moves along with the pull rod (2) in the direction back to the open port of the main rod (1), the traction rod (10) in each set of gripper device moves along with the movable base plate (4), so as to drive Set as the axis, rotate towards each other, realize and snatch the action.

2. The crab grabbing rod as claimed in claim 1, wherein: still include ejector pin (11) and sucking disc (12), wherein one end of ejector pin (11) and the surface looks fixed connection who moves the pull rod (2) on base plate (4) dorsad, and ejector pin (11) place straight line is perpendicular with the face that moves base plate (4) place mutually, the outside that the mobile jib (1) opens the mouth is placed in to sucking disc (12), the top of butt joint sucking disc (12) is fixed to the other end of ejector pin (11), the face that inhales of sucking disc (12) dorsad ejector pin (11), sucking disc (12) move along with the removal that moves base plate (4) through ejector pin (11).

3. The crab grabbing rod as claimed in claim 1, wherein: the length of each set of gripper connecting rod (8) is less than the width of the crab body part.