CN215011457U - Automatic traction hanging mechanism of agricultural implement - Google Patents
Automatic traction hanging mechanism of agricultural implement Download PDFInfo
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- CN215011457U CN215011457U CN202121069464.XU CN202121069464U CN215011457U CN 215011457 U CN215011457 U CN 215011457U CN 202121069464 U CN202121069464 U CN 202121069464U CN 215011457 U CN215011457 U CN 215011457U
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Abstract
The utility model discloses an automatic traction and hanging mechanism of agricultural equipment, which comprises an equipment sleeve frame and an insertion box which can be inserted into the equipment sleeve frame in an adaptive way; the implement sleeve frame is provided with an integrated female valve seat, a first end of a PTO shaft and an implement connecting joint; the plug box is provided with an integrated male valve seat, a butt joint driving device, a PTO shaft second end, a locking component, a movable support and a fixed support; when the plug box is plugged in the machine tool sleeve frame, the butt joint driving device can drive the movable support to act, the movable support acts to respectively drive the integrated male valve seat, the second end of the PTO shaft, the integrated female valve seat and the first end of the PTO shaft to be correspondingly plugged, and the locking component is driven to lock the plug box and the machine tool sleeve frame. The utility model discloses compact structure, functional strong, the security is high, only moves through a butt joint drive arrangement, realizes the multinomial function demand of plugging into simultaneously, has got rid of artifical dependence demand, has realized that the butt joint is automatic, connects the reliability high, and load transmission efficiency and bearing capacity are strong.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, specifically be an automatic traction and hooking mechanism of agricultural implement.
Background
The existing agricultural machinery power traction mechanism and the rear-towing agricultural machinery are mostly connected by bolts and nuts, under the current hooking mode, the machinery and the tractor still need to be in auxiliary docking on site by personnel when in docking, and multiple persons are required to be matched and hooked besides drivers, so that the requirements on the skill and physical strength of field operators are high, and along with the improvement of the level of agricultural mechanized operation in China, the large-scale agricultural machinery tractor is increasingly popular day by day, the suspension mechanism between the large-scale agricultural machinery and the large-horsepower tractor is also increasingly large and heavy, the manual hooking is more time-consuming and labor-consuming, the great safety risk of injury of the personnel exists, and the injury accident is easy to occur; in addition, the configuration design structures are different according to different functional requirements of machines, and besides the most basic functions of dragging and fixing, partial machines need hydraulic drive power connection, PTO power connection, power supply and signal control connection and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, overcome current machines and tractor and still adopt the artifical defect that articulates the troublesome and great personnel injury safety risk that just exists of people, provide an automatic traction coupling mechanism of agricultural implement, only act through a butt joint drive arrangement, realize the multiple function demand of plugging into simultaneously, compact structure, functional strong, the security is high, got rid of artifical dependence demand, realized that the butt joint is automatic, the connection reliability is high, load transmission efficiency is strong with bearing capacity.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic traction and hanging mechanism of agricultural implements comprises an implement sleeve frame and a plug-in box which can be plugged into the implement sleeve frame in a matching way;
the implement sleeve frame is provided with an integrated female valve seat, a PTO shaft first end and an implement connecting joint;
the plug box is provided with an integrated male valve seat, a butt joint driving device, a PTO shaft second end, a locking component, a movable support and a fixed support;
the fixed support is fixed on the plug box;
the movable support is movably arranged on the fixed support;
the second PTO shaft end is arranged on the movable support, and can be matched and connected with the first PTO shaft end to form a PTO shaft;
the integrated male valve seat is fixedly connected with the movable support, and the integrated male valve seat can be in adaptive insertion connection with the integrated female valve seat;
the locking component is hinged with the movable support;
the butt joint driving device is in driving connection with the movable support; when the plug box is plugged in the machine tool sleeve frame, the butt joint driving device can drive the movable support to act, the movable support acts to respectively drive the integrated male valve seat, the second end of the PTO shaft, the integrated female valve seat and the first end of the PTO shaft to be correspondingly plugged, and the locking component is driven to lock the plug box and the machine tool sleeve frame.
Preferably, a connecting seat is fixed at the upper end of the movable support, a guide rod is connected to the end of the connecting seat, the guide rod is in sliding fit with the integrated male valve seat, and a spring is sleeved between the rod body of the guide rod and the end of the connecting seat.
Preferably, the locking component comprises a connecting rod and a knock pin, one end of the connecting rod is hinged with the movable support, the other end of the connecting rod is hinged with one end of the knock pin, and the other end of the knock pin is a free end;
the machine tool sleeve frame is provided with a pin hole, and the splicing box is provided with a guide sleeve corresponding to the pin hole; the free end of the ejector pin can penetrate through the interior of the guide sleeve and the pin hole to lock the plug-in box and the machine tool sleeve frame.
Preferably, the connecting rods, the guide sleeves and the jacking pins are arranged in two groups and symmetrically positioned at two sides of the plug box; the machine tool sleeve frame is correspondingly provided with two pin holes, and the free end of the top pin in each group can penetrate through the corresponding guide sleeve and penetrate into the corresponding pin hole so as to lock the plug-in box and the machine tool sleeve frame.
Preferably, the opposite ends of the two groups of connecting rods are hinged with the same hinged seat, and the hinged seats are arranged at the lower end parts of the movable supports.
Preferably, the fixed support is fixed on the plug-in box through a plurality of groups of sliding rods; the movable support can slide along the sliding rod.
Preferably, the butt joint driving device is an electric cylinder or a hydraulic cylinder, a fixed end of the butt joint driving device is fixedly connected with the fixed support, and a telescopic end of the butt joint driving device is connected with the movable support.
Preferably, the upper part of the plug box is provided with an upper mounting lug which is provided with a waist-shaped hole; two lower mounting lug pieces are symmetrically arranged on two sides of the lower portion of the plug-in box, connecting holes are formed in the two lower mounting lug pieces, and reinforcing ribs are arranged between the two lower mounting lug pieces.
Preferably, the end face of the fixed support is further provided with one ends of a first rib plate and a second rib plate in a crimping mode through a plurality of groups of sliding rods and nuts, the other end of the first rib plate is fixed with the plug-in box, and the other end of the second rib plate is fixed with the reinforcing rib.
Preferably, the machine tool sleeve frame is of an isosceles trapezoid structure, and the insertion box is a trapezoid box matched with the machine tool sleeve frame.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the splicing box is adapted in the machine tool sleeve frame, and under the action of the butt joint driving device, the movable support drives the locking component to act so as to enable the splicing box to be fixedly connected with the machine tool sleeve frame; meanwhile, the movable support drives the second end of the PTO shaft to be in butt joint with the first end of the PTO shaft to form the PTO shaft, and the integrated female valve seat is in butt joint with the integrated male valve seat; the docking mechanism has the advantages that multiple functions are realized simultaneously only through the action of one docking driving device, the structure is compact, the functionality is strong, the safety is high, the requirement of manual dependence is eliminated, and the docking automation is realized.
(2) When the locking component acts, the two connecting rods act synchronously and enable the corresponding ejector pin to move along the guide sleeve to enter the pin hole, so that the machine tool sleeve frame and the plug box are locked structurally, locking and unlocking of the plug box and the machine tool sleeve frame are achieved, connection reliability is high, meanwhile, the ejector pin transmits main tensile load between the connecting box and the machine tool sleeve frame, load transmission is achieved, load transmission efficiency and bearing capacity are high, the distance between the ejector pin and a PTO shaft is large, the shearing force of the ejector pin is small, and the abrasion-resistant service life of the ejector pin is prolonged.
(3) The integrated female valve seat and the integrated male valve seat are butted and used for communicating oil, electricity and electric signals, and the expansion compatibility of the integrated valve seat system is strong; in addition, the splicing box and the machine tool sleeve frame are matched in an up-down nesting mode, the machine tool sleeve frame and the splicing box are both in a trapezoidal structure, the alignment operation before the butt joint is realized by utilizing a mode of correcting the alignment of the symmetrical inclined edges of the trapezoidal box in a guiding mode, the alignment tolerance compatible range is larger, the machine tool sleeve frame can adopt a universal machine tool connecting joint, the universality is good, the machine tool sleeve frame is applied to different agricultural machines, the adjustment of different specifications and functions of different machine tools is compatible, and the purpose of one-machine multi-use and multi-machine universal is realized.
Drawings
FIG. 1 is a schematic view of the engagement between the tool frame and the insertion box;
FIG. 2 is a schematic diagram of the separation state of the implement frame and the inserting box;
FIG. 3 is a partial cross-sectional view of the implement carrier and the docking pod in a disengaged position;
FIG. 4 is a partial sectional view of the engagement between the tool holder and the insertion box;
FIG. 5 is a partial sectional view of the engagement between the tool holder and the insertion box;
FIG. 6 is a side view of the implement pocket and the coupling box in a mated, locked state;
FIG. 7 is a sectional view taken along line A-A of FIG. 6;
FIG. 8 is a partial cross-sectional view of the implement carrier and the docking box in an unlocked state;
FIG. 9 is a cross-sectional view of the locking member in a locked state when the implement carrier is engaged with the coupling box;
FIG. 10 is a cross-sectional view of the locking assembly in an unlocked position when the implement carrier is mated with the coupling box;
fig. 11 is a schematic view of the implement hitch of the implement frame and the docking box.
In the figure:
1-machine tool sleeve frame, 11-integrated female valve seat, 12-PTO shaft first end head, 13-machine tool connecting joint, 14-pin hole,
2-plug box, 21-integrated male valve seat, 211-guide rod, 212-spring, 22-butt joint driving device, 23-PTO shaft second end, 24-locking component, 241-connecting rod, 242-guide sleeve, 243-top pin, 25-movable support, 251-connecting seat, 252-hinged seat, 26-fixed support, 261-sliding rod, 262-rib plate I, 263-rib plate II, 27-upper installation lug, 271-waist-shaped hole, 28-lower installation lug, 281-connecting hole and 282-reinforcing rib.
Detailed Description
In the following description, the technical solutions of the present invention will be described with reference to the drawings in the embodiments of the present invention, it should be understood that, if there are the orientations or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and for convenience of description, it is not intended to indicate or imply that the indicated device or element must have a specific orientation.
The first embodiment is as follows:
as shown in fig. 1 and 2, an automatic traction hitch mechanism for agricultural implements comprises an implement frame 1 and a plug box 2 which can be plugged into the implement frame 1; the machine tool sleeve frame 1 is provided with an integrated female valve seat 11, a PTO shaft first end 12 and a machine tool connecting joint 13; the plug box 2 is provided with an integrated male valve seat 21, a butt joint driving device 22, a PTO shaft second end 23, a locking component 24, a movable support 25 and a fixed support 26;
specifically, the machine tool sleeve frame 1 can adopt a universal machine tool connecting joint 13, has good universality, is applied to different agricultural machine tools, is compatible with the adjustment of different specifications and functions of different machine tools, and realizes the purpose of one machine with multiple purposes and multiple machine universality;
as shown in fig. 2 and 3, the fixing holder 26 is fixed to the jack box 2; the movable support 25 is movably arranged on the fixed support 26; the second head 23 of the PTO shaft is arranged on a movable support 25, and the second head 23 of the PTO shaft can be matched and connected with the first head 12 of the PTO shaft to form the PTO shaft; the integrated male valve seat 21 is fixedly connected with the movable support 25, and the integrated male valve seat 21 can be inserted into the integrated female valve seat 11 in a matching manner and is used for communicating any one or more of three pipelines, namely oil, electricity and electric signals; the locking component 24 is hinged with the movable support 25; the butt joint driving device 22 is in driving connection with the movable support 25; when the plug box 2 is plugged into the machine tool sleeve frame 1, the butt joint driving device 22 can drive the movable support 25 to move, and the movable support 25 respectively drives the integrated male valve seat 21, the PTO shaft second end 23, the integrated female valve seat 11 and the PTO shaft first end 12 to be correspondingly plugged, and drives the locking component 24 to lock the plug box 2 and the machine tool sleeve frame 1.
It can be understood that, when the docking driving means 22 moves telescopically and drives the movable support 25 to move, the movable support 25 moves along the direction close to the machine tool sleeve frame 1, the movable support 25 drives the integrated male valve seat 21 to be in butt joint with the integrated female valve seat 11 in a matching way, at the same time, the movable support 25 drives the PTO shaft second end 23 to be butted with the PTO shaft first end 12 to form a PTO shaft, the movable support 25 also drives the locking component 24 to act at the same time, and only through the action of one butting driving device 22, by means of structural correlation, meanwhile, the integrated female valve seat 11 is butted with the integrated male valve seat 21, the first end 12 of the PTO shaft is butted with the second end 23 of the PTO shaft, the implement sleeve frame 1 is connected and locked with the plug box 2, and a plurality of functions are realized simultaneously, in practical application, the butt joint of the integrated female valve seat 11 and the integrated male valve seat 21 and the butt joint of the first end 12 of the PTO shaft and the second end 23 of the PTO shaft can be selected according to practical requirements.
Example two:
when the automatic traction hanging mechanism of the agricultural implement is implemented, the following structure can be additionally arranged:
as shown in fig. 3, the locking member 24 includes a connecting rod 241 and an ejector pin 243, one end of the connecting rod 241 is hinged to the movable support 25, the other end of the connecting rod 241 is hinged to one end of the ejector pin 243, and the other end of the ejector pin 243 is a free end; the machine tool sleeve frame 1 is provided with a pin hole 14, and the splicing box 2 is provided with a guide sleeve 242 corresponding to the pin hole 14; the free end of the ejector pin 243 can pass through the interior of the guide sleeve 242 and into the pin opening 14, locking the plug box 2 with the machine frame 1.
Specifically, two groups of connecting rods 241, two groups of guide sleeves 242 and two groups of ejector pins 243 are arranged and are symmetrically arranged at two sides of the plug box 2; the implement set frame 1 is correspondingly provided with two pin holes 14, and the free end of the top pin 243 in each set can penetrate through the inner part of the corresponding guide sleeve 242 and penetrate into the corresponding pin hole 14 so as to lock the plug box 2 with the implement set frame 1.
As shown in fig. 9 and 10, it can be understood that the locking member 24 has a locked state and an unlocked state: when locking, the movable support 25 synchronously drives the two connecting rods 241 to act and enables the corresponding ejector pins 243 to move into the pin holes 14 along the guide sleeve 242, so that the machine tool sleeve frame 1 and the plug box 2 are structurally locked; during unlocking, the movable support 25 synchronously drives the two connecting rods 241 to move and enables the corresponding ejector pin 243 to move along the guide sleeve 242 to exit the pin hole 14, so that the box body 1 and the plug box 2 are structurally unlocked, and the butt joint firmness of all parts is ensured;
in addition, the opposite ends of the two groups of connecting rods 241 are hinged with the same hinge seat 252, the hinge seat 252 is arranged at the lower end part of the movable support 25, and the opposite ends of the two groups of connecting rods 241 and the hinge seat 252 have rotational freedom and can rotate around the hinge seat 252;
as shown in fig. 4 and 5, a connecting seat 251 is fixed at the upper end of the movable support 25, a guide rod 211 is connected to the end of the connecting seat 251, the guide rod 211 is in sliding fit with the integrated male valve seat 21, and a spring 212 is sleeved between the integrated male valve seat 21 and the end of the connecting seat 251 on the shaft of the guide rod 211; the integrated female valve seat 11 is fixed with the machine tool sleeve frame 1 through bolts, and the integrated female valve seat 11 is in butt joint with the integrated male valve seat 21.
The integrated male valve seat 21 is arranged at the upper part of the inner side of the plug box 2, the integrated female valve seat 11 and the integrated male valve seat 21 are both provided with guide sleeves for the guide rod 211 to slide, the connecting seat 251 can slide and advance on the guide rod 211, the end part of the guide rod 211 is in threaded connection with a nut, in addition, a spring 212 is sleeved on the guide rod 211, when the butt joint driving device 22 drives the movable support 25 to move, the movable support 25 drives the connecting seat 251 to move along the guide rod 211 and pushes the integrated male valve seat 21 through the spring 212, so that the integrated male valve seat 21 is butted with the integrated female valve seat 11, the guide rod 211 is sleeved with the spring 212 to ensure that the integrated male valve seat 21 is stably and fixedly connected in a separated state and cannot be loosened and collided, soft pressing butt joint pressure is provided during butt joint, safe and stable butt joint of the integrated female valve seat 11 and the integrated male valve seat 21 is guaranteed, joints between the valve seats are guaranteed not to be affected by vibration and external loads, and the service life and reliability of the joints are improved;
as shown in fig. 7, the first head 12 of the PTO shaft is rotatably connected with the implement sleeve frame 1 through a bearing, the PTO shaft 23 is rotatably connected with the movable support 25 through a bearing, and the transmission shaft 12 is in butt joint with the PTO shaft 23 to transmit torque through a spline;
as shown in fig. 3, 4 and 5, the fixed support 26 is fixed to the plug box 2 by a plurality of sets of sliding rods 261; the movable support 25 can slide along the sliding rods 261, one ends of a plurality of groups of sliding rods 261 are fixedly connected with the plug box 2, the other ends of the plurality of groups of sliding rods 261 are connected with nuts, and the fixed support 26 and the movable support 25 are in large clearance fit with the plurality of groups of sliding rods 261 so as to adapt to small-angle displacement deviation tolerance when the second end 23 of the PTO shaft is in butt joint with the first end 12 of the PTO shaft;
as shown in fig. 5, the docking driving device 22 is an electric cylinder or a hydraulic cylinder, a fixed end of the docking driving device 22 is fixedly connected with the fixed support 26, and a telescopic end of the docking driving device 22 is connected with the movable support 25, specifically, the docking driving device 22 is a hydraulic cylinder, and a hydraulic power source is from a tractor, and considering the smooth sliding of the movable support 25, the hydraulic cylinder is installed in the middle to keep the moment balance in the thrust axial direction as much as possible, so as to ensure the smooth sliding;
as shown in fig. 2 and 3, an upper mounting lug 27 is disposed on the upper portion of the plugging box 2, and a waist-shaped hole 271 is disposed on the upper mounting lug 27; two lower installation lugs 28 are symmetrically arranged on two sides of the lower portion of the plug box 2, connecting holes 281 are formed in the two lower installation lugs 28, reinforcing ribs 282 are arranged between the two lower installation lugs 28, and the upper installation lug 27 and the lower installation lug 28 are used for being connected with a tractor.
Example three:
when the automatic traction hanging mechanism of the agricultural implement is implemented, the following structure can be additionally arranged:
as shown in fig. 4 and 5, the end face of the fixed support 26 is further pressed with one end of a first rib plate 262 and one end of a second rib plate 263 through a plurality of sets of sliding rods 261 and nuts, the other end of the first rib plate 262 is fixed with the plugging box 2, the other end of the second rib plate 263 is fixed with the reinforcing rib 282, the fixed sliding rod 261 is connected through the first rib plate 262 and the second rib plate 263, the structural firmness is increased, when the butt joint driving device 22 acts, the fixed support 26 is abutted against the first rib plate 262 and the second rib plate 263, the fixed support 26 bears the force, and the movable support 25 moves in the direction close to the machine frame 1;
specifically, the plurality of sets of sliding rods 261 are provided with four sets and are arranged on four sides of the fixed support 26 and the movable support 55;
in addition, the fixed support 26 is provided with a through hole for the PTO shaft second end 23 to pass through, the fixed support 26 is further provided with a yielding groove for the hinged seat 252 to act, the movable support 25 can drive the PTO shaft second end 23 to move in the through hole to complete butt joint and separation operations with the PTO shaft first end 12 when moving, meanwhile, the movable support 25 drives the hinged seat 252 thereon to move when moving, and the yielding groove is arranged to avoid the hinged seat 252 from abutting against the fixed support 26 and leave a movable gap for the hinged seat 252;
machines cover frame 1 is isosceles trapezoid structure, grafting box 2 is the trapezoidal box with machines cover frame 1 adaptation, what grafting box 2 adopted is that traditional overhead door upper end contracts in, the approximate trapezium structure of hexagonal box body of lower angle shakeout, in addition, 1 back front cover of machines cover frame, the front turn-ups, the lower part terminal surface does not have the banding, make things convenient for grafting box 2 to dock into, structural strength and installation space are considered, there is not banding department back welding steel square pipe under 1 terminal surface of machines cover frame, with reinforcing strength and connection stability, lower part pinhole 14 is opened, the bolt locking of adaptation knock pin 243.
When the automatic traction hitching mechanism of the agricultural implement is implemented, as shown in fig. 11, a tractor aligns the implement and backs a vehicle, and simultaneously lowers the plug box 2, at this time, the plug box 2 is enabled to move in the waist-shaped hole 271 due to the fact that the pull rod is matched with the waist-shaped hole 271 of the upper mounting lug 27, the pull rod can move in the waist-shaped hole 271, the plug box 2 can incline towards the implement end under the action of gravity, so that the upper end of the plug box 2 firstly contacts the inner side wall surface of the implement sleeve frame 1 at the initial butt joint, then the included angle between the facing surfaces of the plug box 2 and the implement sleeve frame 1 is gradually reduced until the front surface of the plug box 2 is completely attached to the inner wall surface of the implement sleeve frame 1, the tractor stops braking, then the tractor lifts the hanging support arm to drive the plug box 2 to lift along the inner wall surface of the implement sleeve frame 1, the left and right directions are gradually aligned under the correction of the trapezoidal inclined surfaces, after the final alignment, the top pin 243 of the locking part 24 corresponds to the pin 14, the PTO shaft second end 23 corresponds to the first end 12 of the PTO shaft, the integrated male valve seat 21 corresponds to the integrated female valve seat 11, the butt joint driving device 22 is controlled to act at the moment, the movable support 25 is driven to drive a series of functional components to slide along a set track to realize the structure of each functional structure and connection locking, the second end 23 of the PTO shaft is connected with the first end 12 of the PTO shaft, oil, electricity and electric signals are connected and butted, and the machine tool sleeve frame 1 and the plug box 2 are locked and operated, so that multiple functions are realized, the structure is compact, the functionality is strong, the safety is high, the manual dependence is low, and the deviation tolerance of butt joint is high.
The details of the present invention not described in detail are prior art, and it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (10)
1. An automatic traction and hanging mechanism of agricultural implements is characterized by comprising an implement sleeve frame (1) and a plug-in box (2) which can be plugged into the implement sleeve frame (1) in a matching way;
the machine tool sleeve frame (1) is provided with an integrated female valve seat (11), a PTO shaft first end (12) and a machine tool connecting joint (13);
the plug box (2) is provided with an integrated male valve seat (21), a butt joint driving device (22), a PTO shaft second end (23), a locking component (24), a movable support (25) and a fixed support (26);
the fixed support (26) is fixed on the plug box (2);
the movable support (25) is movably arranged on the fixed support (26);
the second end (23) of the PTO shaft is arranged on the movable support (25), and the second end (23) of the PTO shaft can be matched and connected with the first end (12) of the PTO shaft to form the PTO shaft;
the integrated male valve seat (21) is fixedly connected with the movable support (25), and the integrated male valve seat (21) can be in adaptive insertion connection with the integrated female valve seat (11);
the locking component (24) is hinged with the movable support (25);
the butt joint driving device (22) is in driving connection with the movable support (25); when the plug box (2) is plugged in the machine tool sleeve frame (1), the butt joint driving device (22) can drive the movable support (25) to act, and the movable support (25) acts to respectively drive the integrated male valve seat (21), the PTO shaft second end (23), the integrated female valve seat (11) and the PTO shaft first end (12) to be correspondingly plugged, and drive the locking component (24) to lock the plug box (2) and the machine tool sleeve frame (1).
2. The automatic hitch mechanism of an agricultural implement of claim 1, wherein: the upper end of the movable support (25) is fixed with a connecting seat (251), the end of the connecting seat (251) is connected with a guide rod (211), the guide rod (211) is in sliding fit with the integrated male valve seat (21), and a rod body of the guide rod (211) is positioned between the ends of the integrated male valve seat (21) and the connecting seat (251) and sleeved with a spring (212).
3. The automatic hitch mechanism of an agricultural implement of claim 1, wherein: the locking component (24) comprises a connecting rod (241) and an ejector pin (243), one end of the connecting rod (241) is hinged with the movable support (25), the other end of the connecting rod (241) is hinged with one end of the ejector pin (243), and the other end of the ejector pin (243) is a free end;
the machine tool sleeve frame (1) is provided with a pin hole (14), and the inserting box (2) is provided with a guide sleeve (242) corresponding to the pin hole (14); the free end of the top pin (243) can penetrate through the interior of the guide sleeve (242) and penetrate into the pin hole (14) to lock the plug box (2) and the machine tool sleeve frame (1).
4. The automatic hitch mechanism of an agricultural implement of claim 3, wherein: two groups of connecting rods (241), two groups of guide sleeves (242) and two groups of ejector pins (243) are arranged and are symmetrically positioned at two sides of the plug box (2); the machine tool sleeve frame (1) is correspondingly provided with two pin holes (14), and the free end of the jacking pin (243) in each group can penetrate through the corresponding guide sleeve (242) and penetrate into the corresponding pin hole (14) so as to lock the plug-in box (2) and the machine tool sleeve frame (1).
5. The automatic hitch mechanism of an agricultural implement of claim 4, wherein: the opposite ends of the two groups of connecting rods (241) are hinged with the same hinge seat (252), and the hinge seats (252) are arranged at the lower end part of the movable support (25).
6. The automatic hitch mechanism of an agricultural implement of claim 1, wherein: the fixed support (26) is fixed on the plug box (2) through a plurality of groups of sliding rods (261); the movable support (25) can slide along the slide rod (261).
7. The automatic hitch mechanism of an agricultural implement of claim 1, wherein: the butt joint driving device (22) is an electric cylinder or a hydraulic cylinder, the fixed end of the butt joint driving device (22) is fixedly connected with the fixed support (26), and the telescopic end of the butt joint driving device (22) is connected with the movable support (25).
8. The automatic hitch mechanism of an agricultural implement of claim 1, wherein: the upper part of the plug box (2) is provided with an upper mounting lug (27), and the upper mounting lug (27) is provided with a waist-shaped hole (271); two lower mounting lugs (28) are symmetrically arranged on two sides of the lower portion of the plug box (2), connecting holes (281) are formed in the two lower mounting lugs (28), and reinforcing ribs (282) are arranged between the two lower mounting lugs (28).
9. The agricultural implement automatic traction hitch mechanism of claim 8, wherein: the end face of the fixed support (26) is also in pressure joint with one end of a first rib plate (262) and one end of a second rib plate (263) through a plurality of groups of sliding rods (261) and nuts, the other end of the first rib plate (262) is fixed with the plug-in box (2), and the other end of the second rib plate (263) is fixed with the reinforcing rib (282).
10. The automatic hitch mechanism of an agricultural implement of claim 1, wherein: the machine tool sleeve frame (1) is of an isosceles trapezoid structure, and the insertion box (2) is a trapezoid box matched with the machine tool sleeve frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121069464.XU CN215011457U (en) | 2021-05-19 | 2021-05-19 | Automatic traction hanging mechanism of agricultural implement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121069464.XU CN215011457U (en) | 2021-05-19 | 2021-05-19 | Automatic traction hanging mechanism of agricultural implement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215011457U true CN215011457U (en) | 2021-12-07 |
Family
ID=79212527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121069464.XU Active CN215011457U (en) | 2021-05-19 | 2021-05-19 | Automatic traction hanging mechanism of agricultural implement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215011457U (en) |
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2021
- 2021-05-19 CN CN202121069464.XU patent/CN215011457U/en active Active
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