Harvester cutting device with protection structure

Abstract

The utility model relates to the technical field of harvester cutting devices, and discloses a harvester cutting device with a protection structure, which comprises an assembly cylinder, and a cylinder body of the assembly cylinder is uniformly and fixedly connected with harvesting knives; a protection device is arranged at the upper end of the assembling cylinder, and the two ends of the assembling cylinder are in bearing connection with butt joint assemblies. The assembling cylinder is fixedly connected with an assembling assembly through a butt joint assembly. The protection device is composed of a first-stage protection shell, a second-stage protection shell, a third-stage protection shell, a first connecting rod, a first long rod, a second connecting rod, an electric rotating disc and a second long rod. A sliding groove is formed in the inner end face of the first-stage protection shell, and the first-stage protection shell is slidably connected with the second-stage protection shell through the sliding groove. According to the device, through the optimized protection structure design, the service life of the cutting device of the harvester is prolonged, the maintenance cost is reduced, an operator is effectively protected, and damage caused by mechanical faults or accidental contact is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of harvester cutting device, concretely is a kind of harvester cutting device with protective structure. BACKGROUND

[0002] Harvester cutting device is an important component of harvester, mainly responsible for cutting crop, make it separate from root part, so as to carry out subsequent collection and processing;It usually includes blade, cutting table, transmission mechanism and other components, but the existing harvester cutting device often has certain problems, such as:

[0003] The application number CN201620977350.8 "a rice and wheat harvester harvesting device", including harvesting mechanism and prong mechanism, prong mechanism is installed on harvesting mechanism, prong mechanism includes prong wheel, harvesting mechanism includes feed cage, upper shear assembly and lower shear assembly, prong wheel is installed in feed cage through support frame and is installed in front of feed cage, upper shear assembly is installed in the front end of feed cage bottom, lower shear assembly is installed below feed cage, lower shear assembly is located in the rear of upper shear assembly lower part, the device does not set protective structure to cutting device, and then make it possible to remain in the field after harvesting operation, hard crop stubble, impact on cutting tool, and then affect the service life of cutting tool, cannot meet daily demand, in view of this, a kind of harvester cutting device with protective structure is proposed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of harvester cutting device with protective structure, to solve the problem that existing harvester cutting device does not have protective structure in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: including assembly cylinder, the assembly cylinder barrel is uniformly fixedly connected with harvesting knife;The protective device is arranged on the upper end of the assembly cylinder, and the both ends bearing of the assembly cylinder is connected with the docking assembly;The assembly cylinder is fixedly connected with assembly assembly by docking assembly;The protective device is composed of primary protective shell, secondary protective shell, tertiary protective shell, No. 1 connecting rod, long rod, No. 2 connecting rod, electric turntable and No. 2 long rod;The inner end surface of the primary protective shell is provided with a sliding groove, and the primary protective shell is slidably connected with the secondary protective shell by the sliding groove;The secondary protective shell is provided with a sliding groove in the inside, and the secondary protective shell is slidably connected with the tertiary protective shell by the sliding groove;The front end surface of the primary protective shell is fixedly connected with the rear end surface of the electric turntable.

[0006] The above technical scheme is adopted, and the safety protection of harvesting knife during non-operation is realized.

[0007] As the preferred technical scheme of the utility model, the electric rotating disc front end face symmetry fixed connection pivot, and the first connecting rod head with left side pivot rotation connection, the first protection shell left side front end face is provided with one arc limit sliding slot, and one sliding column is connected in one arc limit sliding slot.

[0008] The above technical scheme is adopted, and stable operation of the structure is facilitated.

[0009] As the preferred technical scheme of the utility model, the first connecting rod tail end is rotationally connected with the first sliding column, and the first long rod head is rotationally connected with the first sliding column, the first connecting rod is located below the first long rod, the first protection shell left side front end face is fixedly connected with a support column, and the first long rod tail end is rotationally connected with the support column.

[0010] The above technical scheme is adopted, and the internal mechanical structure is complete.

[0011] As the preferred technical scheme of the utility model, the second connecting rod head is rotationally connected with the right side pivot, the first protection shell right side front end face is fixedly connected with a second arc limit sliding slot, and a second sliding column is connected in the second arc limit sliding slot, the second connecting rod tail end is rotationally connected with the second sliding column, and the second long rod head is rotationally connected with the second sliding column, the first protection shell right side front end face is fixedly connected with a support column, and the second long rod tail end is rotationally connected with the support column located on the right side of the first protection shell.

[0012] The above technical scheme is adopted, and the overall structure is complete.

[0013] As the preferred technical scheme of the utility model, the first arc limit sliding slot and the second arc limit sliding slot are located in the same horizontal plane, and the bottom end of the second arc limit sliding slot is lower than the bottom end of the first arc limit sliding slot in the vertical direction.

[0014] The above technical scheme is adopted, and the synchronous expansion of the protection shell body is realized.

[0015] As the preferred technical scheme of the utility model, the protection device is symmetrically arranged about the assembly cylinder.

[0016] The above technical scheme is adopted, and the cutter is covered and protected.

[0017] As the preferred technical scheme of the utility model, the assembly assembly inner side end face is fixedly connected with a support rod, and the first protection shell upper end face is fixedly connected with an assembly block, and the assembly block right end face is fixedly connected with the support rod.

[0018] The above technical scheme is adopted, and the protection device and the assembly cylinder are stably connected.

[0019] Compared with the prior art, the device has the beneficial effects that: the device prolongs the service life of the cutting device of the harvester, reduces the maintenance cost, and effectively protects the operator, thereby reducing the harm caused by mechanical failure or accidental contact; the synchronous unfolding function of the protective device ensures that the cutter can be quickly and effectively protected in an emergency to avoid damage.

[0020] 1、After the harvesting operation is completed, the electric turntable is started, the electric turntable is rotated, and then the first connecting rod and the second connecting rod are pushed to slide along the first arc-shaped limiting sliding groove and the second arc-shaped limiting sliding groove respectively, thereby driving the protective device to unfold, and thereby realizing the covering protection of the cutter. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of the protective device of the utility model when unfolding;

[0022] Figure 2 It is a front view structural schematic diagram of the protective device of the utility model when folding;

[0023] Figure 3 It is a first connecting rod and a first long rod connecting structure schematic diagram of the utility model;

[0024] Figure 4 It is a second connecting rod and a second long rod connecting structure schematic diagram of the utility model;

[0025] Figure 5 It is a first protective shell front view cross-sectional structure schematic diagram of the utility model;

[0026] Figure 6 It is a side view structural schematic diagram of the utility model;

[0027] Figure 7 It is a protective device and an assembly cylinder position relationship schematic diagram of the utility model.

[0028] In the figure: 1, assembly cylinder; 2, harvesting knife; 3, protective device; 301, first protective shell; 302, second protective shell; 303, third protective shell; 304, first connecting rod; 305, first long rod; 306, second connecting rod; 307, electric turntable; 308, second long rod; 4, butt joint assembly; 5, assembly assembly; 6, first arc-shaped limiting sliding groove; 7, first sliding column; 8, second arc-shaped limiting sliding groove; 9, second sliding column; 10, supporting rod; 11, assembly block. DETAILED DESCRIPTION

[0029] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-7 The technical scheme of the present application is: a harvester cutting device with a protection structure, comprising an assembly cylinder 1, the assembly cylinder 1 is uniformly fixedly connected with a harvesting knife 2; the upper end of the assembly cylinder 1 is provided with a protection device 3, and the two ends of the assembly cylinder 1 are connected with a butt joint assembly 4 through bearings; the assembly cylinder 1 is fixedly connected with an assembly assembly 5 through the butt joint assembly 4; the protection device 3 is composed of a first protective shell 301, a second protective shell 302, a third protective shell 303, a first connecting rod 304, a first long rod 305, a second connecting rod 306, an electric turntable 307 and a second long rod 308; the inner end face of the first protective shell 301 is provided with a sliding groove, and the first protective shell 301 is slidably connected with the second protective shell 302 through the sliding groove; the second protective shell 302 is provided with a sliding groove in the inner portion, and the second protective shell 302 is slidably connected with the third protective shell 303 through the sliding groove; the front end face of the first protective shell 301 is fixedly connected with the rear end face of the electric turntable 307, so as to realize the safety protection of the harvesting knife 2 during non-operation;

[0031] The front end face of the electric turntable 307 is fixedly connected with a rotating shaft in a symmetrical manner, and the first end of the first connecting rod 304 is rotatably connected with the left rotating shaft; the left front end face of the first protective shell 301 is provided with a first arc-shaped limiting sliding groove 6, and a first sliding column 7 is slidably connected in the first arc-shaped limiting sliding groove 6, so as to facilitate stable operation of the structure;

[0032] The tail end of the first connecting rod 304 is rotatably connected with the first sliding column 7, and the first end of the first long rod 305 is rotatably connected with the first sliding column 7; the first connecting rod 304 is located below the first long rod 305; the left front end face of the first protective shell 301 is fixedly connected with a support column, and the tail end of the first long rod 305 is rotatably connected with the support column, so as to facilitate the integrity of the internal mechanical structure;

[0033] The first end of the second connecting rod 306 is rotatably connected with the right rotating shaft; the right front end face of the first protective shell 301 is fixedly connected with a second arc-shaped limiting sliding groove 8, and a second sliding column 9 is slidably connected in the second arc-shaped limiting sliding groove 8; the tail end of the second connecting rod 306 is rotatably connected with the second sliding column 9, and the first end of the second long rod 308 is rotatably connected with the second sliding column 9; the right front end face of the first protective shell 301 is fixedly connected with a support column, and the tail end of the second long rod 308 is rotatably connected with the support column located on the right side of the first protective shell 301, so as to facilitate the integrity of the overall structure;

[0034] The first arc-shaped limiting sliding groove 6 and the second arc-shaped limiting sliding groove 8 are located in the same horizontal plane, and the bottom end of the second arc-shaped limiting sliding groove 8 is lower than the bottom end of the first arc-shaped limiting sliding groove 6 in the vertical direction, so as to facilitate the synchronous unfolding of the protective shell;

[0035] The protective device 3 is symmetrically arranged relative to the assembling cylinder 1, so as to facilitate the stable connection of the protective device 3 and the assembling cylinder 1 and the covering protection of the tool;

[0036] The support rod 10 is fixedly connected to the inner end face of the assembling assembly 5, and the assembling block 11 is fixedly connected to the upper end face of the first protective shell 301; the right end face of the assembling block 11 is fixedly connected with the support rod 10;

[0037] Working principle: after the harvesting operation is completed, the electric rotating disc 307 is started, the electric rotating disc 307 rotates, and then drives the first connecting rod 304 and the second connecting rod 306 to slide along the first arc-shaped limiting sliding groove 6 and the second arc-shaped limiting sliding groove 8 respectively, and then drives the protective device 3 to unfold, and then realizes the covering protection of the tool.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A harvester cutting apparatus with a protective structure, comprising an assembly cylinder (1), characterized in that: The assembling barrel (1) is uniformly fixedly connected with a harvesting knife (2); the upper end of the assembling barrel (1) is provided with a protection device (3), and the two ends of the assembling barrel (1) are bearing-connected with a butt joint assembly (4); the assembling barrel (1) is fixedly connected with an assembling assembly (5) through the butt joint assembly (4); the protection device (3) is composed of a first protection shell (301), a second protection shell (302), a third protection shell (303), a first connecting rod (304), a first long rod (305), a second connecting rod (306), an electric rotary table (307) and a second long rod (308); the inner end face of the first protection shell (301) is provided with a sliding groove, and the first protection shell (301) is slidingly connected with the second protection shell (302) through the sliding groove; the inner end face of the second protection shell (302) is provided with a sliding groove, and the second protection shell (302) is slidingly connected with the third protection shell (303) through the sliding groove; the front end face of the first protection shell (301) is fixedly connected with the rear end face of the electric rotary table (307).

2. A harvester cutting apparatus having a protective structure according to claim 1, wherein: The front end face of the electric rotary table (307) is fixedly connected with rotating shafts in a symmetrical manner, and the first end of the first connecting rod (304) is rotatably connected with the left rotating shaft; the left front end face of the first protection shell (301) is provided with a first arc-shaped limiting sliding groove (6), and a first sliding column (7) is slidingly connected in the first arc-shaped limiting sliding groove (6).

3. A harvester cutting apparatus having a protective structure according to claim 2, wherein: The tail end of the first connecting rod (304) is rotatably connected with the first sliding column (7), and the first end of the first long rod (305) is rotatably connected with the first sliding column (7); the first connecting rod (304) is located below the first long rod (305); the left front end face of the first protection shell (301) is fixedly connected with a support column, and the tail end of the first long rod (305) is rotatably connected with the support column.

4. A harvester cutting apparatus having a protective structure according to claim 3, wherein: The first end of the second connecting rod (306) is rotatably connected with the right rotating shaft; the right front end face of the first protection shell (301) is fixedly connected with a second arc-shaped limiting sliding groove (8), and a second sliding column (9) is slidingly connected in the second arc-shaped limiting sliding groove (8); the tail end of the second connecting rod (306) is rotatably connected with the second sliding column (9), and the first end of the second long rod (308) is rotatably connected with the second sliding column (9); the right front end face of the first protection shell (301) is fixedly connected with a support column, and the tail end of the second long rod (308) is rotatably connected with the support column located on the right side of the first protection shell (301).

5. A harvester cutting apparatus having a protective structure as claimed in claim 4 wherein: The first arc-shaped limiting sliding groove (6) and the second arc-shaped limiting sliding groove (8) are located in the same horizontal plane, and the bottom end of the second arc-shaped limiting sliding groove (8) is lower than the bottom end of the first arc-shaped limiting sliding groove (6) in the vertical direction.

6. A harvester cutting apparatus having a protective structure according to claim 5, wherein: The protection device (3) is symmetrically arranged relative to the assembling barrel (1).

7. A harvester cutting apparatus having a protective structure according to claim 6, wherein: The inner side end face of the assembling assembly (5) is fixedly connected with a supporting rod (10), and the upper end face of the first protection shell (301) is fixedly connected with an assembling block (11); the right end face of the assembling block (11) is fixedly connected with the supporting rod (10).

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