Morse taper self-locking anti-collision device for harvester

Abstract

The utility model relates to the technical field of mechanical transmission, in particular to a Morse taper self-locking anti-collision device used on a harvester, which comprises two anti-collision mechanisms, each anti-collision mechanism comprises a taper fixing block, two gears, a motor, a coupler, a dislocation assembly, a limiting assembly and a connecting rod assembly, when the motor works normally, the dislocation assembly is dislocated, the limiting assembly is separated from the taper fixing block to drive the connecting rod assembly to rotate, and then the connecting rod assembly drives the two gears to rotate. When the motor does not work, if external force wants to enable the two gears to rotate, the dislocation assembly and the taper fixing block are tightly attached through the limiting assembly, friction is generated, the dislocation assembly cannot move, namely, the shaft of the motor cannot be driven to rotate, and therefore the motor is protected, and the harvesting effect is guaranteed. Therefore, the problems that an existing small harvester protection device is complex in mechanism and high in cost are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical drive technical field especially uses a morse taper self -locking anti -collision device on harvester. BACKGROUND

[0002] When the harvester is working, the stubble height is adjusted according to the crop height, if the motor is used for driving, the motor will be subjected to various loads, generally circumferential load.

[0003] In order to ensure that the motor is not damaged by excessive load and ensure normal work and service life, it is necessary to add protection measures to the motor. For small harvester, it is too expensive to install an electric control detection device at the protection part, and the use of pneumatic device requires a gas tank, which makes the whole machine too heavy. Therefore, a simple mechanical structure is needed to adapt to the motor protection of the stubble adjustment of the small harvester. UTILITY MODEL CONTENTS

[0004] The utility model discloses a morse taper self -locking anti -collision device used on harvester, which aims at solving the problems of complex mechanism and high cost of the existing small harvester protection device.

[0005] In order to achieve the above purpose, the utility model provides a morse taper self -locking anti -collision device used on harvester, which comprises two anti -collision mechanisms, the anti -collision mechanism comprises taper fixed block, two gears, motor, shaft coupling, staggered component, limit component and connecting rod component.

[0006] The motor is connected with the staggered component through the shaft coupling, the limit component is installed on one side of the staggered component, the taper fixed block is installed on the staggered component, and the two gears are installed on the connecting rod component.

[0007] Among them, the staggered component includes spherical groove circular table one, a plurality of ball bearings and spherical groove circular table two, the spherical groove circular table one has key groove one, the spherical groove circular table two has shaft, and the spherical groove circular table one, a plurality of ball bearings and the spherical groove circular table two are connected in sequence.

[0008] Among them, the connecting rod component includes connecting rod, connecting rod fixed frame and a plurality of bearings, the connecting rod is connected with the connecting rod fixed frame through a plurality of bearings, and the connecting rod is connected with the spherical groove circular table one.

[0009] Among them, the connecting rod has key groove two, and the key groove two is located on the connecting rod.

[0010] Among them, the limit component includes limit ring and spring, the limit ring is installed on the connecting rod, and the spring is installed between the limit ring and the spherical groove circular table one.

[0011] The utility model discloses a morse taper self -locking anti -collision device for use on harvester, motor passes through the shaft coupling with the staggered component links to each other, when the motor normal operation staggered component occurs staggered, the limiting component is separated with the taper fixed block, drives the connecting rod component rotation, the connecting rod component drives two gear rotation again.When the motor does not work, if external force wants to make two gear rotation, the limiting component will be staggered component with the taper fixed block close adhesion, produce friction, make staggered component can not move, namely can not drive the axle rotation of motor, thereby protection motor, guarantee the harvesting effect. The existing small -size harvester protection device mechanism complex and the problem of higher cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings required to be used in the embodiment or prior art description will be briefly introduced as follows.

[0013] Fig. 1 It is the structure schematic diagram of the utility model discloses a morse taper self -locking anti -collision device for use on harvester.

[0014] Fig. 2 It is the explosion map of bearing, limit ring, spring, spherical recess circular platform one, ball, spherical recess circular platform two and connecting rod.

[0015] In the drawing: 1-taper fixed block, 2-gear, 3-motor, 4-coupling, 5-rod fixing frame, 6-bearing, 7-limit ring, 8-spring, 9-spherical recess circular platform one, 10-ball, 11-spherical recess circular platform two, 12-connecting rod DETAILED DESCRIPTION

[0016] The embodiments of the utility model are described in detail below, the example of the embodiment is shown in the drawing, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.

[0017] Please refer to Figs. 1-2 The utility model provides a morse taper self -locking anti -collision device for use on harvester, including two anti -collision mechanism, the anti -collision mechanism includes taper fixed block 1, two gears 2, motor 3, coupling 4, staggered component, limiting component and connecting rod component,

[0018] Motor 3 passes through coupling 4 and connects staggered component, limiting component is installed one side of staggered component, taper fixed block 1 is installed on staggered component, two gears 2 are installed on connecting rod component.

[0019] Further, the misalignment assembly comprises a spherical groove cone I 9, a plurality of balls 10 and a spherical groove cone II 11, the spherical groove cone I 9 is provided with a key groove I, the spherical groove cone II 11 is provided with a shaft, and the spherical groove cone I 9, the plurality of balls 10 and the spherical groove cone II 11 are sequentially connected.

[0020] Further, the connecting rod assembly comprises a connecting rod 12, a connecting rod fixing frame 5 and a plurality of bearings 6, the connecting rod 12 is connected with the connecting rod fixing frame 5 through the plurality of bearings 6, and the connecting rod 12 is connected with the spherical groove cone I 9.

[0021] Further, the connecting rod 12 is provided with a key groove II, and the key groove II is located on the connecting rod 12.

[0022] Further, the limiting assembly comprises a limiting ring 7 and a spring 8, the limiting ring 7 is installed on the connecting rod 12, and the spring 8 is installed between the limiting ring 7 and the spherical groove cone I 9.

[0023] In the embodiment, the motor 3 is connected with the spherical groove cone II 11 through the shaft coupling 4, when the motor 3 normally works, the balls 10 on the groove of the spherical groove cone II 11 are misaligned with the spherical groove cone I 9, the limiting ring 7 and the spring 8 support the spherical groove cone I 9, so the balls 10 do not slide out of the spherical groove of the spherical groove cone I 9, thereby pushing the spherical groove cone I 9 to separate from the taper fixing block 1, driving the connecting rod 12 to rotate, and the connecting rod 12 drives the gear 2 to rotate. When the motor 3 does not work, if external force attempts to drive the gear 2 to rotate, the spring 8 tightly abuts the spherical groove cone I 9 and the taper fixing block 1, friction is generated, the spherical groove cone I 9 cannot drive the balls 10 to move, that is, the shaft of the motor 3 cannot rotate, thereby protecting the motor 3. Therefore, the problem that the existing small harvester protection device mechanism is complex and high in cost is solved.

[0024] Beneficial effects: in the normal working state of the utility model, the stub lifting adjustment can only be driven by the motor, and external force impact cannot make the stub move up and down, so that the motor is protected. The harvesting device is prevented from moving up and down due to sudden external force in the working process, and the harvesting effect is affected.

[0025] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of rights of the application. Those skilled in the art can understand that all or part of the processes of the above embodiments are implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. A morse taper self-locking anti-collision device used in a harvester, characterized in that, it comprises two anti-collision mechanisms, each of which comprises a taper fixing block, two gears, a motor, a shaft coupling, a misalignment assembly, a limiting assembly and a connecting rod assembly; the motor is connected to the misalignment assembly through the shaft coupling, the limiting assembly is installed on one side of the misalignment assembly, the taper fixing block is installed on the misalignment assembly, and the two gears are installed on the connecting rod assembly.

2. The morse taper self-locking anti-collision device used in a harvester according to claim 1, characterized in that, the misalignment assembly comprises a spherical groove circular truncated cone one, a plurality of balls and a spherical groove circular truncated cone two, the spherical groove circular truncated cone one has a key groove one, the spherical groove circular truncated cone two has a shaft, and the spherical groove circular truncated cone one, the plurality of balls and the spherical groove circular truncated cone two are connected in sequence.

3. The morse taper self-locking anti-collision device used in a harvester according to claim 2, characterized in that, the connecting rod assembly comprises a connecting rod, a connecting rod fixing frame and a plurality of bearings, the connecting rod and the connecting rod fixing frame are connected through the plurality of bearings, and the connecting rod is connected to the spherical groove circular truncated cone one.

4. The morse taper self-locking anti-collision device used in a harvester according to claim 3, characterized in that, the connecting rod has a key groove two, and the key groove two is located on the connecting rod.

5. The morse taper self-locking anti-collision device used in a harvester according to claim 3, characterized in that, the limiting assembly comprises a limiting ring and a spring, the limiting ring is installed on the connecting rod, and the spring is installed between the limiting ring and the spherical groove circular truncated cone one.

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