CN211531701U - Detachable connecting structure - Google Patents

Abstract

The utility model relates to an agricultural equipment technical field, concretely relates to dismantlement formula connection structure for weeder. The connecting frame component is fixed at the rear end of the walking part and comprises an upper connecting plate and hook plates at two sides; the fixing frame assembly is fixed at the front end of the weeding part and comprises an upper connecting shaft and a lower connecting shaft, the upper connecting shaft is placed on the upper connecting plate, and the hook plate is connected to the lower connecting shaft in a hanging mode. The utility model discloses a formula connection structure is dismantled to weeder, simple structure and operation are convenient.

Description

Detachable connecting structure

Technical Field

The utility model relates to an agricultural equipment technical field, concretely relates to dismantlement formula connection structure.

Background

At present, domestic weeding machines mainly comprise small-sized hand-held cultivator, the cultivator can work only by hands of workers, the efficiency is very low, the seedling rolling phenomenon is easy to cause during turning, and the weeding requirements of farmers with large planting areas cannot be met, so most of the farmers select chemical herbicides to weed.

In a new era of advocating green ecology, the use of chemical herbicides is running counter to the environmental protection. In the using process, the soil and water sources can be polluted, and a large number of non-target organisms can be killed, so that natural enemies of pests and other beneficial animals die; moreover, chemical herbicides in plants can be transported through the food chain step by step and accumulate continuously, which poses potential threats to humans and animals. Chemical weeding is driven to move toward mechanical weeding for various reasons, and the weeding has obvious effects on protecting cultivation development, increasing crop yield and improving crop quality.

In the aspect of economy, a high-speed rice transplanting and weeding dual-purpose machine is a good choice, can meet the planting requirement of farmers with large planting areas, and is in accordance with the ecological environment protection concept. However, the conventional weeding section mounting device is complicated in structure and inconvenient to operate.

Disclosure of Invention

In order to solve the problem that chemical weeding produces environmental pollution and secondary pollution to and current weeding machinery weeding inefficiency, the utility model aims to provide a simple structure, the dismantlement formula connection structure that the operation is convenient for carry the portion of weeding rear side of walking, carry out efficient weeding operation, make it can satisfy the production demand that the peasant household was planted by a large scale, have good economic benefits again.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a detachable connection structure comprises

The connecting frame assembly is fixed at the rear end of the walking part and comprises an upper connecting plate and hook plates on two sides;

the fixing frame assembly is fixed at the front end of the weeding part and comprises an upper connecting shaft and a lower connecting shaft, the upper connecting shaft is placed on the upper connecting plate, and the hook plate is connected to the lower connecting shaft in a hanging mode.

The connecting frame assembly further comprises side plates, a middle connecting shaft, a support, an adjusting pull rod welding piece, a hook and a pipe sleeve, the middle connecting shaft penetrates through the side plates on two sides, the hook plates are fixed at two ends of the middle connecting shaft, the support is fixed on the side plates and provided with limiting holes, the adjusting pull rod welding piece penetrates through the limiting holes and is sleeved with a nut A, an elastic cylindrical pin A is arranged on the adjusting pull rod welding piece and located on the lower side of the nut A, the tail end of the adjusting pull rod welding piece is movably connected with the hook plates, the pipe sleeve is fixed on the support, an elastic cylindrical pin B is fixed at one end of the hook and penetrates through the pipe sleeve, and a positioning groove for accommodating the elastic cylindrical pin B is formed in one side of the pipe sleeve.

Furthermore, the limiting hole is convex, a narrow part of the limiting hole is used for limiting the nut A, and a wide part of the limiting hole is used for the nut A to pass through.

Furthermore, the hook is U-shaped and penetrates through the pipe sleeve end to be connected with an opening check ring B in a clamping mode, and a spring is further arranged between the opening check ring B and the pipe sleeve.

Further, be fixed with the reference column on the curb plate, the torsional spring is established to the cover on the reference column, the torsion arm of torsional spring supports and leans on the regulation pull rod weldment, the torsional spring with the hook is located one side of regulation pull rod weldment.

Furthermore, the hook plate is hook-shaped, the adjusting pull rod welding piece is movably connected with the hook plate through a pin shaft, and the pin shaft is located in the middle of the hook plate.

Furthermore, a gasket is arranged between the hook plate and the side plate.

The utility model adopts the above technical scheme, following beneficial effect has: 1) the weeding device of the utility model carries the weeding part on the rear side of the walking part of the high-speed transplanter, so that the efficient weeding operation can be carried out, the production requirement of large-area planting farmers can be met, the ecological environment is protected, and the economic benefit is improved; 2) the upper connecting shaft is placed on the upper connecting plate, and the hook plate is connected with the detachable connecting structure on the lower connecting shaft in a hanging mode, so that the structure is simple, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 and 3 are schematic views of the connector assembly of the present invention;

FIG. 4 is a schematic view of the use of the connector assembly of the present invention;

fig. 5 is a schematic view of the mounting bracket assembly of the present invention;

fig. 6 is a schematic view of the connection frame assembly of the present invention hanging on the fixing frame assembly.

Detailed Description

For the related technical personnel to more clearly understand the technical scheme of the utility model, the utility model will now be described in further detail with reference to the attached drawings.

Example 1

In the description of the present invention, it should be noted that the terms "front", "rear", "upper", "lower", "inner", "outer", and the like indicate the corresponding position or positional relationship based on the traveling direction of the weeding machine, and are only for convenience of description and simplification of description, and therefore, are not to be construed as limiting the present invention.

As shown in fig. 1, the weeding machine comprises a walking part 1, a weeding part, a connecting frame assembly 2 and a fixing frame assembly 3, wherein a connecting steel frame 11 is arranged at the rear end of the walking part 1, the connecting frame assembly 2 is fixed on the connecting steel frame 11, and the fixing frame assembly 3 is fixed at the front end of the weeding part;

as shown in fig. 2 and 3, the connecting frame assembly 2 includes an upper connecting plate 201 at the top and hook plates 202 at two sides, the fixing frame assembly 3 includes an upper connecting shaft 31 and a lower connecting shaft 32, a shaft groove for accommodating the upper connecting shaft 31 is formed in the middle of the upper connecting plate 201, the upper connecting shaft 31 is placed in the shaft groove, and the hook plates 202 are hung on the lower connecting shaft 32, so that the connection between the fixing frame assembly 3 and the connecting frame assembly 2 is realized, and the weeding portion is carried at the rear end of the walking portion 1 to perform weeding operation during the traveling process of the walking portion 1.

Link subassembly 2 still includes the curb plate, well connecting axle 204, and support 205, regulation pull rod weldment 206, hook 207, pipe box 209, two the vertical setting of curb plate and the corresponding a plurality of through-holes of having seted up, through down three running through of arranging in proper order from the last the connecting axle of through-hole and connecting plate between the curb plate connects two the curb plate, well connecting axle 204 is located curb plate middle part and the outer end that stretches out the both sides board overlap in proper order establish the gasket with couple board 202, couple board 202 is the hook form, two the one end of couple board 202 with well connecting axle 204 welding just can rotate around well connecting axle 204 together. Deviate from couple board 202 arc mouth direction sets up support 205, support 205 is L type and side and fixes on the curb plate, spacing hole has been seted up on the front side top of support 205, spacing hole is the type of falling protruding, it sets up and runs through to adjust pull rod weldment 206 slope spacing hole, it is equipped with two nut A210 to adjust the cover on the pull rod weldment 206, it lies in on the adjustment pull rod weldment 206 nut A210 downside close fit elasticity cylindric lock A211, and it has round pin axle 212 to lie in one side couple board 202 middle part welding, the bottom of adjusting pull rod weldment 206 cup joint in round pin axle 212 and joint have opening retaining ring A214 in order to prevent to adjust pull rod weldment 206 tail end and deviate from. The support 205 downside is located and adjusts pull rod weldment 206 upside and is equipped with the reference column, the cover is equipped with torsional spring 217 on the reference column, the torsion arm of torsional spring 217 supports and leans on adjust pull rod weldment 206 upside, gives it makes it arrange in adjusting pull rod weldment 206 motion process the spring restoring force of spacing hole below makes the process of action more smooth and easy. The pipe sleeve 209 is welded on the bracket 205, the hook 207 is U-shaped and comprises a handle end, the other end far away from the handle end is provided with an elastic cylindrical pin B215 and penetrates through the pipe sleeve 209, and the part of the hook 207 extending out of the pipe sleeve 209 is sleeved with a spring 208 and is clamped with an opening retainer B216 at the bottom end of the hook 207 to prevent the spring 208 from falling off. The end of the pipe sleeve 209 on the side of the elastic cylindrical pin B215 is provided with a positioning groove for accommodating the elastic cylindrical pin B215.

As shown in fig. 4 to 6, when the traveling unit 1 carries the weeding unit, the hook plate 202 is hooked on the lower link shaft 32 as follows: the method comprises the following steps: the adjusting pull rod weldment 206 is broken upwards and enters the upper part of the limiting hole; step two: the adjusting pull rod weldment 206 is pushed inwards until the nut A210 and the elastic cylindrical pin A211 sink into the limiting hole on the bracket 205, and the hook plates 202 on the two sides rotate clockwise around the middle connecting shaft 204 along with the inward pushing of the adjusting pull rod weldment 206 until the lower connecting shaft 32 on the fixed frame assembly 3 is clamped; step three: the adjusting pull rod weldment 206 is pressed downwards to enter the lower part of the limiting hole, and the adjusting pull rod weldment 206 is limited from sliding outwards along the axial direction due to the fact that the surface area of the nut A210 is larger than the area of the lower part of the limiting hole; step four: pulling the hook 207 outwards against the elastic force of the spring 208, so that the elastic cylindrical pin B215 is pulled out of the positioning groove on the pipe sleeve 209; step five: rotating the hook 207 counterclockwise by 180 degrees; step six: the hook 208 is put back into the positioning groove, at this time, the handle end of the hook 207 props against the adjusting pull rod weldment 206, so that the adjusting pull rod weldment 206 can only fall into the lower part of the limiting hole, the adjusting pull rod weldment 206 is limited to rotate along the pin shaft 212, and the hook plate 202 is reliably hung on the lower connecting shaft 32 of the fixed frame component 3.

The walking part is provided with a hydraulic system, the fixing frame component 3 is fixed on the connecting steel frame 11 in a clamping mode, and the connecting steel frame 11 drives the fixing frame component 3 to move up and down through the hydraulic system. 3 rear side lower parts of mount subassembly are equipped with the axle sleeve, the portion of weeding passes through connecting axle that is equipped with in the axle sleeve is connected with mount subassembly 3, because the portion of weeding is connected with mount subassembly 3 through the connecting axle, consequently the portion main part of weeding can 360 degrees pivoting, consequently, mount subassembly 3 with it can only rock at the small-angle within range to be used for control messenger's portion of weeding to weed between the portion of weeding with stop device.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims (7)

1. The utility model provides a dismantlement formula connection structure which characterized in that: comprises that

The connecting frame assembly (2) is fixed at the rear end of the walking part (1) and comprises an upper connecting plate (201) and hook plates (202) on two sides;

the fixing frame assembly (3) is fixed at the front end of the weeding part and comprises an upper connecting shaft (31) and a lower connecting shaft (32), the upper connecting shaft (31) is placed on the upper connecting plate (201), and the hook plate (202) is hung on the lower connecting shaft (32).

2. A detachable connection structure according to claim 1, wherein: the connecting frame component (2) also comprises side plates, a middle connecting shaft (204), a bracket (205), an adjusting pull rod welding piece (206), a hook (207) and a pipe sleeve (209), the middle connecting shaft (204) penetrates through the side plates at two sides, the hook plates (202) are fixed at two ends of the middle connecting shaft (204), the bracket (205) is fixed on the side plate and is provided with a limit hole, the adjusting pull rod weldment (206) penetrates through the limit hole and is sleeved with a nut A (210), an elastic cylindrical pin A (211) is arranged on the lower side of the nut A (210) on the adjusting pull rod weldment (206), the tail end of the adjusting pull rod weldment (206) is movably connected with the hook plate (202), the pipe sleeve (209) is fixed on the bracket (205), one end of the hook (207) is fixed with an elastic cylindrical pin B (215) and penetrates through the pipe sleeve (209), one side of the pipe sleeve (209) is provided with a positioning groove for accommodating the elastic cylindrical pin B (215).

3. A detachable connection structure according to claim 2, wherein: the limiting hole is convex, a narrow part of the limiting hole is used for limiting the nut A (210), and a wide part of the limiting hole is used for the nut A (210) to penetrate through.

4. A detachable connection structure according to claim 2, wherein: the hook (207) is U-shaped, is connected with a split retainer B (216) in a clamping mode through the end of the pipe sleeve (209), and is further provided with a spring (208) between the split retainer B (216) and the pipe sleeve (209).

5. A detachable connection structure according to claim 2, wherein: be fixed with the reference column on the curb plate, torsional spring (217) are established to the cover on the reference column, the torsion arm of torsional spring (217) supports and leans on adjust pull rod weldment (206), torsional spring (217) with hook (207) are located one side of adjusting pull rod weldment (206).

6. A detachable connection structure according to claim 2, wherein: the hanger plate (202) is in a hook shape, the adjusting pull rod welding piece (206) is movably connected with the hanger plate (202) through a pin shaft (212), and the pin shaft (212) is located in the middle of the hanger plate (202).

7. A detachable connection structure according to claim 2, wherein: a gasket is arranged between the hook plate (202) and the side plate.

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