Rapid hooking device for agricultural machinery

Abstract

The utility model discloses an agricultural machinery quick hitching device which comprises a first connecting rod and a second connecting rod, the end of the first connecting rod and the end of the second connecting rod are fixedly connected with a connecting plate body, the outer wall of the second connecting rod is fixedly connected with a traction pull head, and the traction pull head is of a hollow structure. A dismounting mechanism is installed on the outer wall of the first connecting rod and the interior and exterior of the traction pull head, the dismounting mechanism is used for assisting the agricultural machine in quick hooking, the dismounting mechanism comprises an inserting rod assembly and an inserting block assembly, and by arranging the dismounting mechanism, two inserting blocks in the state of moving towards the outer side penetrate through a butt joint of the tractor; and the two inserting rods in the outward moving state sequentially penetrate through the two inserting holes and the mounting holes in the two cantilevers of the tractor correspondingly, so that the disassembling and assembling mechanism assists the suspension type agricultural machine and the tractor in quick hanging connection, and the hanging connection efficiency between the agricultural machine and the tractor is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery equipment, in particular to a quick-hook device for agricultural machinery. Background Art

[0002] Most of the agricultural machinery in my country is driven by tractors. Suspended agricultural machinery is a commonly used agricultural machinery. Suspended agricultural machinery is connected to the tractor hydraulic suspension mechanism through three suspension points, which is called three-point suspension.

[0003] The existing hanging agricultural machinery is connected to the tractor through the hanging device by manual operation. When the hanging device is used for hanging, the two lower hanging points are respectively connected and hung on the two cantilevers at the lower part of the hydraulic hanging mechanism of the tractor, and the hanging points are connected with the ball joints on the cantilevers. This process is relatively cumbersome, and the hanging speed is slow and the efficiency is low. Utility Model Content

[0004] The utility model aims to provide a quick coupling device for agricultural machinery to solve the problem in the above background technology that the coupling operation between the existing suspended agricultural machinery and the tractor through the suspension device is manually operated, resulting in slow coupling speed and low efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-hook device for agricultural machinery, comprising a first connecting rod and a second connecting rod, the ends of the first connecting rod and the second connecting rod are fixedly connected with a connecting plate body, the outer wall of the second connecting rod is fixedly connected with a traction pull head, the traction pull head is a hollow structure, and the outer wall of the first connecting rod and the inside and outside of the traction pull head are installed with a disassembly mechanism, the disassembly mechanism is used to assist the quick hooking of agricultural machinery;

[0006] The disassembly and assembly mechanism includes an insertion rod assembly and an insertion block assembly;

[0007] The plug block assembly and the plug block assembly are both used to assist the agricultural machinery and the tractor in rapid coupling.

[0008] Preferably, the plunger assembly comprises a bracket, two cylinders and a plunger;

[0009] The bracket is fixedly connected to the outer wall of the first connecting rod, the cylinder is installed on the end surface of the bracket, and the insertion rod is fixedly connected to the end of the output shaft of the cylinder.

[0010] Preferably, an insertion hole is provided at the end of the connecting plate body, and the insertion hole is used for the insertion rod to completely pass through the interior thereof.

[0011] Preferably, the plug block assembly includes a shaft-holding motor, a plug block, a through hole, a groove, a stud, an extrusion block, and a spring;

[0012] The shaft-holding motor is installed on one end of the outer wall of the traction pull head, the stud is installed on the end of the output shaft of the shaft-holding motor, the extrusion block is threadedly connected to the stud, the through hole is opened at the other end of the outer wall of the traction pull head and completely penetrates, the plug block is slidably connected to the inside of the through hole and extends to the outside, the groove is opened on the inner wall of the traction pull head, the spring is installed on the inner wall of the groove, and the end of the spring is fixedly connected to the protrusion of the plug block.

[0013] Preferably, the output shaft of the shaft-holding motor in the operating state is used to drive the stud to rotate, and the stud in the rotating state drives the extrusion block to move, and the end surface of the extrusion block in contact with the two through holes is an inclined surface structure.

[0014] Preferably, the insert block in the outward moving state is used to compress the spring, and the spring in the reset state is used to drive the insert block to move inward.

[0015] Compared with the prior art, the beneficial effect of the utility model is that by setting a disassembly and assembly mechanism, the two plug blocks in the outward moving state penetrate the docking joint of the tractor, so that the suspended agricultural machinery and the docking joint of the tractor are docked and installed, and the two plug rods in the outward moving state respectively penetrate the two plug holes and the mounting holes on the two cantilevers of the tractor in sequence, so that the disassembly and assembly mechanism assists the suspended agricultural machinery and the tractor to be quickly connected, effectively improving the connection efficiency between the agricultural machinery and the tractor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the disassembly and assembly mechanism structure of the utility model;

[0018] Figure 3 This is a structural schematic diagram of the disassembly and assembly mechanism of the utility model from another perspective;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the traction slider of the utility model.

[0020] In the figure: 1. first connecting rod; 2. second connecting rod; 3. connecting plate; 4. socket; 5. traction pull head; 6. disassembly and assembly mechanism; 601. bracket; 602. cylinder; 603. plug-in rod; 604. shaft-holding motor; 605. plug-in block; 606. through hole; 607. groove; 608. stud; 609. extrusion block; 6010. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution for a quick-hook device for agricultural machinery: a quick-hook device for agricultural machinery, comprising a first connecting rod 1 and a second connecting rod 2, the ends of the first connecting rod 1 and the second connecting rod 2 are fixedly connected with a connecting plate 3, the outer wall of the second connecting rod 2 is fixedly connected with a traction pull head 5, the traction pull head 5 is a hollow structure, and the outer wall of the first connecting rod 1 and the inner and outer parts of the traction pull head 5 are installed with a disassembly mechanism 6, and the disassembly mechanism 6 is used to assist the quick hooking of the agricultural machinery;

[0023] The disassembly and assembly mechanism 6 includes an insertion rod assembly and an insertion block assembly;

[0024] Both the plug block assembly and the plug block assembly are used to assist the agricultural machinery and the tractor in quick coupling.

[0025] Please refer to Figure 2 The plunger assembly includes a bracket 601, two cylinders 602 and a plunger 603; the bracket 601 is fixedly connected to the outer wall of the first connecting rod 1, the cylinder 602 is installed on the end face of the bracket 601, and the plunger 603 is fixedly connected to the output shaft end of the cylinder 602.

[0026] In this embodiment, two cylinders 602 are powered on to operate, so that the output shafts of the two cylinders 602 in operation respectively drive the two insertion rods 603 to move outwards, and the two insertion rods 603 in the state of moving outwards respectively penetrate the two insertion holes 4 and the mounting holes on the two cantilevers of the tractor in sequence.

[0027] Please refer to Figure 1 A plug hole 4 is provided at the end of the connecting plate body 3, and the plug hole 4 is used for the insertion rod 603 to completely pass through the interior thereof.

[0028] In this embodiment, the two insertion rods 603 in the outward moving state respectively penetrate the two insertion holes 4 and the mounting holes on the two cantilevers of the tractor in sequence, so that the disassembly and assembly mechanism 6 assists the hanging agricultural machinery to be quickly connected with the tractor.

[0029] Please refer to Figure 4 The plug-in block assembly includes a shaft-holding motor 604, a plug-in block 605, a through hole 606, a groove 607, a stud 608, an extrusion block 609, and a spring 6010;

[0030] The shaft-holding motor 604 is installed on one end of the outer wall of the traction pull head 5, the stud 608 is installed on the end of the output shaft of the shaft-holding motor 604, the extrusion block 609 is threadedly connected to the stud 608, the through hole 606 is opened at the other end of the outer wall of the traction pull head 5 and completely penetrates, the plug block 605 is slidably connected to the inside of the through hole 606 and extends to the outside thereof, the groove 607 is opened on the inner wall of the traction pull head 5, the spring 6010 is installed on the inner wall of the groove 607, and the end of the spring 6010 is fixedly connected to the protrusion of the plug block 605.

[0031] In this embodiment: by connecting the shaft-holding motor 604 to electricity and running it, the output shaft of the shaft-holding motor 604 in operation drives the stud 608 to rotate, and the stud 608 in the rotating state drives the extrusion block 609 to move inward. Since the end faces of the extrusion block 609 that contact the two through holes 606 are in an inclined surface structure, the extrusion block 609 in the moving state squeezes the two plug-in blocks 605 along its inclined surface, and the two plug-in blocks 605 in the compressed state transfer the pressure to the multiple springs 6010, so that the multiple springs 6010 are compressed. The multiple springs 6010 in the compressed state assist the two plug-in blocks 605 to move outward, and the two plug-in blocks 605 in the outward moving state penetrate the docking joint of the tractor. At this time, the shaft-holding motor 604 is stopped, and the positions of the two plug-in blocks 605 are fixed and cannot be moved, so that the docking joint of the suspended agricultural machinery and the tractor is docked and installed.

[0032] Please refer to Figure 4 The output shaft of the shaft-holding motor 604 in operation is used to drive the stud 608 to rotate, and the stud 608 in rotation drives the extrusion block 609 to move, and the end surface of the extrusion block 609 in contact with the two plug blocks 605 is an inclined surface structure.

[0033] In this embodiment: the extrusion block 609 is driven to move inward by the rotating stud 608. Since the end surface of the extrusion block 609 in contact with the two through holes 606 is an inclined surface structure, the extrusion block 609 in the moving state extrude the two plug blocks 605 along its inclined surface.

[0034] Please refer to Figure 4 The insert block 605 in the outward moving state is used to squeeze the spring 6010, and the spring 6010 in the reset state is used to drive the insert block 605 to move inward.

[0035] In this embodiment, the pressure is transmitted to the multiple springs 6010 through the two plug blocks 605 in a compressed state, so that the multiple springs 6010 are compressed. The multiple springs 6010 in a compressed state assist the two plug blocks 605 to move outward.

[0036] Working principle: when the suspended agricultural machinery is connected to the tractor, the traction pull head 5 is first inserted into the docking head of the tractor. At this time, the shaft holding motor 604 is powered on and operated, so that the output shaft of the shaft holding motor 604 in the running state drives the stud 608 to rotate, and the stud 608 in the rotating state drives the extrusion block 609 to move inward. Since the end surface of the extrusion block 609 in contact with the two through holes 606 is an inclined surface structure, the extrusion block 609 in the moving state squeezes the two plug blocks 605 along its inclined surface, and the two plug blocks 605 in the compressed state transmit the pressure to the multiple springs 6010, so that the multiple springs 6010 are compressed, and the multiple springs 6010 in the compressed state assist the two plug blocks 605 to move outward, and the two plug blocks 605 in the outward moving state penetrate the docking head of the tractor. At this time, the shaft holding motor 604 is stopped, and the positions of the two plug blocks 605 are fixed and cannot be moved, so that the docking head of the suspended agricultural machinery and the tractor are docked and installed;

[0037] At this time, the two cylinders 602 are powered on and operated, so that the output shafts of the two cylinders 602 in the operating state respectively drive the two insertion rods 603 to move outwards, and the two insertion rods 603 in the state of moving outwards respectively penetrate the two sockets 4 and the mounting holes on the two cantilevers of the tractor in sequence, so that the disassembly and assembly mechanism 6 assists the suspended agricultural machinery to be quickly connected to the tractor.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-hook device for agricultural machinery, comprising a first connecting rod (1) and a second connecting rod (2), wherein the ends of the first connecting rod (1) and the second connecting rod (2) are fixedly connected with a connecting plate (3), and the outer wall of the second connecting rod (2) is fixedly connected with a traction pull head (5), characterized in that: The traction head (5) is of a hollow structure, and a disassembly and assembly mechanism (6) is installed on the outer wall of the first connecting rod (1) and the inside and outside of the traction head (5), and the disassembly and assembly mechanism (6) is used to assist the rapid attachment of the agricultural machinery; the disassembly and assembly mechanism (6) comprises an insertion rod assembly and an insertion block assembly; The plug block assembly and the plug block assembly are both used to assist the agricultural machinery and the tractor in rapid coupling.

2. The agricultural machinery quick-hook device according to claim 1, characterized in that: The plunger assembly comprises a bracket (601), two cylinders (602) and a plunger (603); The bracket (601) is fixedly connected to the outer wall of the first connecting rod (1), the cylinder (602) is installed on the end surface of the bracket (601), and the insertion rod (603) is fixedly connected to the end of the output shaft of the cylinder (602).

3. The agricultural machinery quick-hook device according to claim 2, characterized in that: An insertion hole (4) is provided at the end of the connecting plate body (3), and the insertion hole (4) is used for the insertion rod (603) to completely penetrate the interior thereof.

4. The agricultural machinery quick hitch device according to claim 1, characterized in that: The plug block assembly comprises a shaft-holding motor (604), a plug block (605), a through hole (606), a groove (607), a stud (608), an extrusion block (609), and a spring (6010); The shaft-holding motor (604) is installed on one end of the outer wall of the traction pull head (5), the stud (608) is installed on the end of the output shaft of the shaft-holding motor (604), the extrusion block (609) is threadedly connected to the stud (608), the through hole (606) is opened at the other end of the outer wall of the traction pull head (5) and completely penetrates, the plug block (605) is slidably connected to the inside of the through hole (606) and extends to the outside thereof, the groove (607) is opened on the inner wall of the traction pull head (5), the spring (6010) is installed on the inner wall of the groove (607), and the end of the spring (6010) is fixedly connected to the protrusion of the plug block (605).

5. The agricultural machinery quick-hook device according to claim 4, characterized in that: The output shaft of the shaft-holding motor (604) in the running state is used to drive the stud (608) to rotate, and the stud (608) in the rotating state drives the extrusion block (609) to move, and the end surface of the extrusion block (609) in contact with the two through holes (606) is an inclined surface structure.

6. The agricultural machinery quick hitch device according to claim 4, characterized in that: The insert block (605) in the outward moving state is used to compress the spring (6010), and the spring (6010) in the reset state is used to drive the insert block (605) to move inward.

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