Garlic excavator with retractable cutters

Abstract

A garlic excavator with retractable cutters relates to the field of garlic harvesting equipment and comprises a chassis, a walking unit, a power unit, a cutter rest, the cutters and a pushing handle. An extension frame is arranged at one end of the chassis, a tool rest is hinged in the extension frame, a tool is hinged in the tool rest, and the end of the tool is connected with a power mechanism through an eccentric rocker; a working posture positioning pin shaft is arranged behind the extension frame, a positioning hole is formed behind the knife rest, and the positioning hole and the working posture positioning pin shaft are correspondingly arranged; and a lifting handle is also arranged on the knife rest. According to the utility model, the problems that the working postures of the cutter part of the garlic harvesting equipment in the prior art cannot be switched, the action is continuous in the steering process, and the steering resistance is increased are solved, the flexible switching of the working postures of the cutter is realized, the steering resistance is reduced, and the equipment is more convenient to stop.

Description

TECHNICAL FIELD

[0001] The utility model relates to garlic harvesting equipment field especially relates to a retractable knife garlic excavator. BACKGROUND

[0002] The applicant has previously submitted Chinese patent 202320656318.X, which discloses a novel soil loosening mechanism and a crawler self-propelled garlic excavator. Although this product solves the problem of unreasonable configuration of the power mechanism and each action unit, it still has certain technical drawbacks after a large number of experiments.

[0003] The main problem is that this equipment or similar equipment relies on manual adjustment for turning and steering, and during the steering or turning process, the cutter part of the equipment continues to operate and perform a turning action, that is, the cutter part still reciprocates towards the ground. Especially during the turning or steering process or involving the slope or furrow of the field, the steering resistance of the equipment is extremely large, causing unnecessary waste of manpower. When the machine is stopped, the cutter position needs to be adjusted above the ground, causing inconvenience in starting and stopping. UTILITY MODEL CONTENT

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a retractable knife garlic excavator with a simple structure that can lift the cutter part during steering to reduce the steering resistance.

[0005] The equipment includes a chassis, a walking unit, a power unit, a cutter holder, a cutter, and a push handle.

[0006] The walking unit and the power unit are integrated on the chassis, and the power unit is connected with the walking unit.

[0007] An extension frame is arranged at one end of the chassis, the extension frame is a frame structure, a rear support wheel is fixedly connected to the rear end of the extension frame, a cutter holder is hingedly arranged in the extension frame, that is, the cutter holder can rotate around the hinge point in the extension frame, a cutter is hingedly arranged in the cutter holder, the cutter includes a cutter rod part and a hoe part, the middle part of the cutter rod part is hingedly connected with the cutter holder, and the end of the cutter rod part is connected with the power mechanism through an eccentric rocker.

[0008] The power unit transmits power to the cutter through the eccentric rocker, and the cutter can reciprocate and vibrate based on the hinged configuration.

[0009] The rear panel of the extension frame is provided with a working posture positioning pin shaft, the rear panel of the tool holder is provided with a positioning hole corresponding to the working posture positioning pin shaft, the two side panels of the extension frame are provided with upward opening positioning grooves, and the two side panels of the tool holder are provided with outward extending positioning catches corresponding to the positioning grooves.

[0010] Therefore, based on the pulling handle action, the tool holder has two implementation states, one is that the positioning hole is inserted and locked with the working posture positioning pin shaft, and the positioning catch on the tool holder is clamped in the positioning groove of the extension frame, so that the relative fixation between the extension frame and the tool holder is ensured, at this time, the tool is inserted into the ground, the eccentric rocker is driven by the power unit to drive the tool rod part, and the hoe part performs the vibration digging action; the other is that the tool holder is pulled up by the pulling handle, the tool is rotated and pulled up along the hinge point of the tool holder, and is separated from the ground.

[0011] The garlic harvesting equipment of the utility model has the advantages that the working posture of the tool cannot be switched in the prior art, the tool continuously moves during the turning process, and the turning resistance is increased, the flexible switching of the working posture of the tool is realized, the turning resistance is reduced, and the equipment is more convenient to stop. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structure schematic view of the garlic excavator of the utility model, and is also a structure schematic view of the equipment in a non-working state;

[0013] Figure 2 is a structure schematic view of the garlic excavator of the utility model in a working state;

[0014] REFERENCE SIGNS

[0015] 1-pushing handle 2-tool holder 3-extension frame 4-tool 5-pulling handle 6-eccentric rocker 7-traveling unit 8-chassis 9-power unit

[0016] The implementation, functional characteristics and advantages of the utility model will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION

[0017] Reference Figure 1 、 Figure 2 The garlic excavator of the utility model comprises a chassis 8, a traveling unit 7, a power unit 9, a tool holder 2, a tool 4 and a pushing handle 1.

[0018] The chassis 8 is integrally provided with a walking unit 7 and a power unit 9, and the power unit 9 is power-connected with the walking unit 7.

[0019] An extension frame 3 is arranged at one end of the chassis 8, the extension frame 3 is of a frame structure, a rear support wheel is fixedly connected at the rear end of the extension frame 3, a tool holder 2 is hingedly arranged in the extension frame 3, that is, the tool holder 2 can rotate around the hinge point in the extension frame 3, a tool 4 is hingedly arranged in the tool holder 2, the tool 4 comprises a tool rod part and a hoe part, the middle part of the tool rod part is hingedly connected with the tool holder 2, and the end of the tool rod part is connected with a power mechanism through an eccentric rocker 6.

[0020] In this way, the power unit 9 transmits power to the tool 4 through the eccentric rocker 6, and based on the hinged configuration of the tool 4, the tool 4 can reciprocatingly vibrate and dig.

[0021] A working posture positioning pin is arranged on the rear panel of the extension frame 3, a positioning hole is arranged on the rear panel of the tool holder 2 corresponding to the working posture positioning pin, and a positioning slot is formed in the two side panels of the extension frame 3, and a positioning catch pin is arranged on the two side panels of the tool holder 2 corresponding to the positioning slot; a pull handle 5 is further arranged on the tool holder 2.

[0022] In this way, based on the action of the pull handle 5, the tool holder 2 has two implementation states, one is that the positioning hole is inserted and locked with the working posture positioning pin, and at the same time, the positioning catch pin on the tool holder 2 is arranged in the positioning slot of the extension frame 3, so as to ensure the relative fixation between the extension frame 3 and the tool holder 2, at this time, the tool 4 is inserted into the ground, the tool rod part is driven by the power unit 9 through the eccentric rocker 6, and the hoe part vibrates and digs; the other is that when turning, working intermittently or stopping, the tool holder 2 is partially lifted by the pull handle 5, based on the lifting of the tool holder 2, the tool 4 rotates and is lifted to be separated from the ground along the hinge point of the tool holder 2; the rear panel of the tool holder 2 is arranged on the working posture positioning pin, and this plays a role in facilitating turning or parking.

[0023] In embodiment 1, a pushing handle 1 is further hingedly arranged on the extension frame 3, the pushing handle 1 comprises an angle positioning piece and a handle body which are integrally connected.

[0024] The angle positioning piece is hingedly arranged on the side of the extension frame 3, and a plurality of positioning holes are uniformly arranged on the angle positioning piece around the hinge point of the angle positioning piece.

[0025] A handle angle positioning pin is arranged on the extension frame 3 corresponding to the positioning hole.

[0026] The effect achieved thereby is that the handle body can be rotated to adjust its orientation and height, thereby adapting to different operating populations of different heights.

[0027] Further, the two push handles 1 are arranged on the two sides of the extension frame 3.

[0028] The effect achieved thereby is that the pushing force is facilitated.

[0029] Further, the handle angle positioning pin is a spring pin, a brake wire is connected to the pulling piece of the spring pin, the brake wire is connected to a hand brake, and the hand brake is arranged at the tail end of the handle body, that is, the holding end close to the handle body.

[0030] The effect achieved thereby is that the angle adjustment of the push handle 1 is more convenient.

[0031] In embodiment 2, the extension frame 3 is arranged at the rear of the chassis 8. Here, the rear refers to the position of the push handle 1 being arranged at the rear of the chassis 8, thereby facilitating operation.

[0032] In embodiment 3, the working posture positioning pin behind the extension frame 3 is a spring pin, a brake wire is connected to the pulling piece of the spring pin, the brake wire is connected to a hand brake, and the hand brake is arranged on the pull handle 5.

[0033] The effect achieved thereby is that the switching operation of the working state is facilitated.

[0034] In embodiment 4, the walking unit 7 includes a crawler walking mechanism arranged on the bottom surface of the chassis 8 and a rear support wheel arranged at the tail end of the extension frame 3.

[0035] The power unit 9 includes a power device, the power device is power-connected to a speed reducer, the speed reducer is power-connected to the crawler walking mechanism, and the speed reducer is power-connected to the cutter 4 through the eccentric rocker 6.

[0036] The structure and arrangement of the eccentric rocker 6 are referred to in Chinese Patent 202320656318.X, the structure and arrangement of the eccentric wheel and the transmission connecting rod; here, no further description is given.

[0037] Further, the power device is one of an electric motor, a gasoline engine, or a diesel engine.

[0038] The effect achieved thereby is to optimize the assembly structure.

[0039] Further, the cutter rod part is integrally connected with the hoe part.

[0040] The cutter rod part is hingedly arranged in the cutter holder 2, and the hoe part is in the form of a wing plate with the setting direction being forward and the blade being in front, and is arranged in the middle of the lower part of the cutter rod.

[0041] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting and claims.

[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A retractable blade garlic digger, comprising a chassis, a walking unit, a power unit, a blade holder, a blade and a pushing handle; The chassis is integrally provided with the walking unit and the power unit, and the power unit is power-connected with the walking unit; An extension frame is arranged at one end of the chassis, the extension frame is a frame structure, a rear support wheel is fixedly connected to the rear end of the extension frame, a blade holder is hingedly arranged in the extension frame, that is, the blade holder can rotate around the hinge point in the extension frame, a blade is hingedly arranged in the blade holder, the blade comprises a blade rod part and a hoe blade part, the middle part of the blade rod part is hingedly connected with the blade holder, and the end of the blade rod part is connected with a power mechanism through an eccentric rocker; A working posture positioning pin is arranged on the rear panel of the extension frame, a positioning hole is arranged on the rear panel of the blade holder corresponding to the working posture positioning pin, positioning grooves are formed in the side panels of the extension frame, and positioning catches are arranged on the side panels of the blade holder corresponding to the positioning grooves; a pulling handle is further arranged on the blade holder.

2. A retractor garlic digger according to claim 1, wherein, A pushing handle is further hingedly arranged on the extension frame, the pushing handle comprises an angle positioning piece and a handle main body which are integrally connected; The angle positioning piece is hingedly arranged on the side of the extension frame, and a plurality of positioning holes are uniformly arranged on the angle positioning piece outwardly and around the hinge point of the angle positioning piece; A handle angle positioning pin is arranged on the extension frame corresponding to the positioning hole.

3. A retractor garlic digger according to claim 2, wherein, The pushing handle comprises two, and the two pushing handles are arranged on the two sides of the extension frame respectively.

4. A retractor garlic digger according to claim 2, wherein, The handle angle positioning pin is a spring pin, a brake wire is connected to the pulling piece of the spring pin, the brake wire is connected with a hand brake, and the hand brake is arranged at the tail end of the handle main body, that is, near the holding end of the handle main body.

5. A retractor garlic digger according to claim 1, wherein, The extension frame is arranged at the rear part of the chassis.

6. A retractor garlic digger according to claim 1, wherein, The working posture positioning pin at the rear of the extension frame is a spring pin, a brake wire is connected to the pulling piece of the spring pin, the brake wire is connected with a hand brake, and the hand brake is arranged on the pulling handle.

7. A retractor garlic digger according to claim 1, wherein, The walking unit comprises a track walking mechanism arranged on the bottom surface of the chassis and a rear support wheel arranged at the tail end of the extension frame; The power unit comprises a power device, the power device is power-connected with a speed reducer, the speed reducer is power-connected with the track walking mechanism, and the speed reducer is power-connected with the blade through an eccentric rocker.

8. A retractor garlic digger according to claim 7, characterised in that, The power device is one of an electric motor, a gasoline engine and a diesel engine.

9. A retractor garlic digger according to claim 1, wherein, The blade rod part and the hoe blade part are integrally connected. The blade rod part is hingedly arranged in the blade holder, and the hoe blade part is in the form of a wing plate with the setting direction forward and the blade edge forward, and is arranged in the lower part of the blade rod.

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