Portable plugboard lifting mechanism

Abstract

The utility model relates to a portable plugboard lifting mechanism which comprises a plugboard with a lifting seat, a rotary support arm welding part, a rotary support arm welding part mounting seat and a plugboard connecting rod, the insertion plates with the lifting seats are mounted in the slideways on the two sides of the grain unloading opening in an up-down movable manner, and the two lifting seats are arranged at the upper ends of the insertion plates with the lifting seats; the two rotary support arm welding mounting seats are fixedly mounted on two sides of a grain bin side plate above a grain unloading port; the rotating support arm welding part comprises a rotating shaft, an operating arm and two pull arms with the same length; the rotating shaft is supported on the two rotating support arm welding mounting seats in a rotatable manner; the upper end parts of the two pull arms and the upper end part of the operating arm are vertically welded with the rotating shaft, the lower end parts of the two pull arms are respectively hinged with the upper end parts of the two inserting plate connecting rods, and the lower end parts of the two inserting plate connecting rods are respectively hinged with the two hanging seats at the upper end of the inserting plate with the hanging seats; the lower end part of the operating arm forms a force application acting end; and a bag hanging hook is arranged on each of the two sides of the grain unloading opening. The mechanism can realize single-person grain receiving operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of agricultural machinery relates to grain unloading port opening mechanism of kernel bin, specifically relates to a portable plugboard lifting mechanism. BACKGROUND

[0002] When the corn machine is working, the corn kernels are stored in the kernel bin, and after the bin is full, the kernels are unloaded through the unloading port. The unloading port is blocked by the plugboard. When the kernels are unloaded, the plugboard needs to be lifted to open the unloading port and receive the kernels. The existing operation mode requires at least one person to manually lift the plugboard, and another person to hold open the lower receiving bag. Two people need to work well together to avoid grain leakage. With the existing mode, a single person cannot balance the plugboard with one hand, and needs to hold open the lower receiving bag at the same time, that is, a single person cannot easily complete the kernel receiving. In order to save manpower, a plugboard lifting mechanism that a single person can easily open the plugboard and complete the kernel receiving needs to be designed. UTILITY MODEL CONTENTS

[0003] The utility model provides a simple structure, convenient operation, and labor-saving portable plugboard lifting mechanism for the deficiencies of the prior art.

[0004] The above-mentioned purpose of the utility model is realized by the following technical scheme:

[0005] A portable plugboard lifting mechanism, comprising a plugboard with a lifting seat, a rotating arm welding, a rotating arm welding mounting seat and a plugboard connecting rod;

[0006] The plugboard with a lifting seat is movably installed in the slide on both sides of the kernel unloading port, and the upper end of the plugboard with a lifting seat is provided with two lifting seats; the rotating arm welding mounting seat is two, and the two rotating arm welding mounting seats are fixedly installed at the two side positions of the kernel bin side plate above the kernel unloading port; the rotating arm welding comprises a rotating shaft, an operating arm and two equal-length pull arms; the rotating shaft of the rotating arm welding is rotatably supported on the two rotating arm welding mounting seats; the upper end of each pull arm and the upper end of the operating arm are perpendicularly welded with the rotating shaft, the lower end of each pull arm is hingedly connected with the upper end of each plugboard connecting rod, and the lower end of each plugboard connecting rod is hingedly connected with the two lifting seats at the upper end of the plugboard with a lifting seat; the lower end of the operating arm constitutes a force application end;

[0007] A bag hook is arranged on each side of the kernel unloading port.

[0008] Moreover, the operating arm adopts a bent arm structure with a downward-bent force application end.

[0009] Moreover, a handle rubber sleeve is tightly installed at the force application end of the operating arm.

[0010] Moreover, the two rotating arm welding mounting bases adopt L-shaped supports, the horizontal edges of the L-shaped supports are provided with two screw through holes, the vertical edges of the L-shaped supports are provided with shaft through holes; the two L-shaped supports are fixedly installed on the two side positions of the grain bin side plate above the grain unloading port through the screws installed in the screw through holes; the two L-shaped supports are oppositely arranged, and the shaft through holes are coaxially arranged; the rotating shaft of the rotating arm welding penetrates into the shaft through holes of the two L-shaped supports, and is axially limited through the installation of the two end stop pieces and the split pin.

[0011] The utility model has the advantages and positive effects that:

[0012] The utility model discloses a rotating arm welding, rotating arm welding mounting base and plug-in plate connecting rod are connected to constitute a connecting rod type plug-in plate lifting mechanism, and the operation arm of the rotating arm welding can be lifted and pressed to realize the lifting and lowering of the plug-in plate by single hand, so that the opening and closing of the grain unloading port are facilitated, and the utility model has the advantages of simple structure and convenient operation

[0013] The utility model discloses a bag hook is arranged on the both sides of the grain unloading port, the bag can be fixed on the bag hook, one hand opens the bag outward in the grain unloading port, and the other hand acts on the operation arm, and single person can complete the grain receiving operation, so that the manpower is saved, and the harvesting cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure reference drawing of the utility model when the grain unloading port is in the opening state.

[0015] Fig. 2 It is the structure schematic view of the utility model when the grain unloading port is in the closing state. DETAILED DESCRIPTION

[0016] The structure of the utility model is further described in connection with the drawings and by embodiments. It should be noted that the embodiment is narrative, not restrictive.

[0017] A portable plug-in plate lifting mechanism, please see Figs. 1-2 , is used to realize the lifting of the plug-in plate at the grain unloading port of a corn harvester, so as to realize the opening of the grain unloading port.

[0018] The portable plug-in plate lifting mechanism comprises a rotating arm welding 1, a rotating arm welding mounting base 2, a stop piece 3, a plug-in plate connecting rod 5, a plug-in plate with a hanger 6, a handle rubber sleeve 8 and a plurality of pin shafts.

[0019] The hanging seat plug-in plate is installed in the slide on both sides of the grain unloading port, two vertical plates are arranged in parallel at the upper end of the plug-in plate, coaxial shaft cylinder holes are arranged on the two vertical plates, and two hanging seats are formed. The two rotating arm welding installation seats are L-shaped supports, two screw through holes are arranged on the horizontal side of the L-shaped support, and a shaft through hole is arranged on the vertical side of the L-shaped support. The two L-shaped supports are fixedly installed on the two side positions of the grain bin side plate above the grain unloading port through the screws arranged in the screw through holes. The two L-shaped supports are oppositely arranged, and the shaft through holes are coaxially arranged.

[0020] The rotating arm welding includes a rotating shaft 11, an operating arm 13 and two pull arms 12. The two pull arms are arranged in parallel and have the same length, the upper end portions of the two pull arms are welded to the rotating shaft, and pin holes are arranged at the lower end portions of the two pull arms. The upper end of the operating arm is welded to the position close to one end of the rotating shaft, and the lower end of the operating arm is an applying end. A handle rubber sleeve is further fixedly installed at the applying end, so that the handle rubber sleeve is convenient to hold and operate. In the utility model, the operating arm preferably adopts a bent arm structure with the applying end being downward bent, so as to facilitate force applying operation.

[0021] The rotating shaft of the rotating arm welding penetrates into the shaft through holes of the two L-shaped supports in a rotatable manner, and is axially limited through the stop plates 3 and the split pins 4 arranged at both ends.

[0022] The two plug-in plate connecting rods are arranged with pin holes at the upper end portions and the lower end portions. The pin holes at the lower end portions of the two plug-in plate connecting rods are aligned with the pin holes on the two hanging seats, the lower ends of the two plug-in plate connecting rods are hingedly connected to the two hanging seats through the pin shafts arranged respectively, and the shaft through holes at the upper end portions of the two plug-in plate connecting rods are aligned with the pin holes at the lower end portions of the two pull arms, the upper ends of the two plug-in plate connecting rods are hingedly connected to the lower ends of the two pull arms through the pin shafts arranged respectively.

[0023] In order to facilitate single person to operate, one bag hook 7 is arranged on each side of the grain unloading port.

[0024] When the plug-in plate with the hanging seat is in the lower working position, the grain unloading port is blocked, at this time, the upper ends of the two pull arms and the operating arm are vertically downward, as shown in Fig. 2 When the grain unloading port needs to be opened to receive grain, the bag is fixed on the bag hook, one hand opens the bag outward at the unloading port, and the other hand holds the applying end of the operating arm, pulls the operating arm outward, and rotates the rotating arm welding around the rotating arm welding installation seats on both sides, so as to move the plug-in plate with the hanging seat upward, open the grain unloading port 9, and make the grain enter the bag smoothly.

[0025] Although the embodiments and drawings of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit of the utility model and the appended claims, therefore, the scope of the utility model is not limited to the content disclosed by the embodiments and drawings.

Claims

1. A portable plugboard lifting mechanism, characterized by: The device comprises a hanging seat plug-in plate, a rotating arm welding, a rotating arm welding mounting seat and a plug-in plate connecting rod. The hanging seat plug-in plate is movably installed in the slide on both sides of the grain discharge port, and two hanging seats are arranged on the upper end of the hanging seat plug-in plate; the rotating arm welding mounting seat is two, and the two rotating arm welding mounting seats are fixedly installed on the two side positions of the grain bin side plate above the grain discharge port; the rotating arm welding comprises a rotating shaft, an operating arm and two equal-length pull arms; the rotating shaft of the rotating arm welding is rotatably supported on the two rotating arm welding mounting seats; the upper end of each of the two pull arms and the upper end of the operating arm are perpendicularly welded with the rotating shaft, the lower end of each of the two pull arms is hingedly connected with the upper end of the two plug-in plate connecting rods, the lower end of each of the two plug-in plate connecting rods is hingedly connected with the two hanging seats on the upper end of the hanging seat plug-in plate, and the lower end of the operating arm constitutes a force applying end. A bag hook is arranged on each side of the grain discharge port.

2. The portable plugboard carry mechanism of claim 1, wherein: The operating arm adopts a bent arm structure with the force applying end being downward bent.

3. The portable plugboard carry mechanism of claim 1, wherein, A handle rubber sleeve is fixedly installed on the force applying end of the operating arm.

4. The portable plugboard carry mechanism of claim 1, wherein: The two rotating arm welding mounting seats adopt L-shaped supports, two screw through holes are arranged on the horizontal edges of the L-shaped supports, shaft through holes are arranged on the vertical edges of the L-shaped supports, the two L-shaped supports are fixedly installed on the two side positions of the grain bin side plate above the grain discharge port through the screws arranged in the screw through holes, the two L-shaped supports are oppositely arranged, the shaft through holes are coaxially arranged, the rotating shaft of the rotating arm welding penetrates through the shaft through holes of the two L-shaped supports, and the rotating shaft is axially limited through the installation of the two end stop sheets and the split pins.

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