Portable pit digging device for municipal greening planting

The design of the protective rod and guide plate solves the problem of the auger bit being difficult to move during the digging process, improving digging efficiency and safety, and ensuring the stability and portability of the device.

CN223745241UActive Publication Date: 2026-01-02JIANGYIN RUNYOU CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520188032.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-02
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

In existing municipal greening excavation equipment, the auger drill bit is difficult to move downwards during the excavation process because the protective plate is pressed against the ground, which affects the excavation efficiency and safety.

Method used

The system employs a combination of a protective rod and a guide plate. The design of the protective rod and guide plate involves the mounting plate contacting the ground to guide the protective rod to extend outward, ensuring smooth movement of the auger drill bit. Furthermore, the stability of the protective components is maintained through the cooperation of a limit component and a return spring.

Benefits of technology

This allows for the smooth downward movement of the auger bit, improving digging efficiency and safety. The stability of the protective components ensures the portability and operational safety of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a pit digging device, belongs to the technical field of municipal greening, and particularly relates to a portable pit digging device for municipal greening planting, which comprises a fixed disc, a digging assembly is arranged outside the fixed disc, and a protection assembly is arranged at the bottom of the fixed disc; the digging assembly comprises a handle, a driving motor, a gearbox structure and a spiral drill bit; the protection assembly comprises a protection rod, a mounting disc and a guide disc; according to the utility model, when the auger bit digs holes in the ground, the mounting disc is in contact with the ground, at the moment, a worker presses the handle, the auger bit moves downwards, the protective rod is in contact with the inner side wall of the guide disc, and the top end of the protective rod extends outwards under the guide of the inner side wall of the guide disc; the effect of facilitating downward movement of the spiral drill bit is achieved; the problem that in an existing technical scheme, a protection plate abuts against the ground, and consequently a spiral drill bit is difficult to move downwards is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to municipal afforestation technical field especially portable pit digging device for municipal afforestation planting. BACKGROUND

[0002] Municipal afforestation is very important to improve the urban ecological environment. In order to facilitate the planting of green plants, pit digging device must be used for pit digging operation on the ground.

[0003] Through the search, the patent with the announcement number CN221058746U discloses a kind of garden afforestation pit digging device, belongs to pit digging device technical field, including handrail frame, the upper surface of the handrail frame is fixedly installed with engine, the output shaft of the engine is fixedly installed with gearbox structure, the bottom end output shaft of the gearbox structure is fixedly installed with spiral drill bit;This patent can rotate and adhere two sleeve plates by pin shaft hinged sleeve plate on the both sides of spiral drill bit when carrying, a protective shell can be quickly formed by arc magnetic sheet adsorption and cooperation with guard plate, spiral drill bit can be wrapped, prevent spiral drill bit from colliding with human body and cause safety accident, and the sleeve plate of rotation unfolding can be adsorbed and fixed by positioning plate cooperation with magnetic block, to quickly remove the obstruction to spiral drill bit, guarantee the normal digging of spiral drill bit, the device has the characteristics of simple structure, convenient operation and better safety, provide convenience and safety guarantee for carrying.

[0004] In the above prior art solution, the sleeve plate and the guard plate rotate around the pin shaft to protect the spiral drill bit. However, in actual use, the sleeve plate and the guard plate will rotate downward around the pin shaft under the influence of gravity because the sleeve plate is connected to the side wall of the gearbox structure by the pin shaft. The guard plate thus rests on the ground, supporting the gearbox structure, making it difficult for the above prior art solution to move downward. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a portable pit digging device for municipal afforestation planting. When the spiral drill bit digs a pit in the ground, the installation disc will come into contact with the ground. At this time, the worker presses the handle, the spiral drill bit moves downward, the protective rod thus comes into contact with the inner side wall of the guide disc, and under the guidance of the inner side wall of the guide disc, the top end of the protective rod thus extends outward, achieving the effect of facilitating the downward movement of the spiral drill bit.

[0006] The technical solution to achieve the purpose of the utility model is as follows: a portable pit digging device for municipal afforestation planting, comprising a fixed disc, an excavation assembly is arranged outside the fixed disc, and a protection assembly is arranged at the bottom of the fixed disc.

[0007] The excavation assembly comprises:

[0008] The handle is shared by two, and the two handles are installed on the outer side wall of the fixed disc;

[0009] The driving motor is fixedly installed on the top wall surface of the fixed disc, the gearbox structure is fixedly installed on the bottom wall surface of the fixed disc, and the spiral drill bit is fixedly installed on the output end of the gearbox structure;

[0010] The protection assembly comprises;

[0011] The protection rod is shared by a plurality of protection rods, and the protection rods are circumferentially and equidistantly distributed around the spiral drill bit;

[0012] The mounting disc is fixedly installed on the bottom wall surface of the plurality of protection rods, the inner side wall of the guide disc is in an arc shape, and the top end of the protection rod is attached to the inner side wall of the guide disc.

[0013] In some embodiments, the bottom of the fixed disc is provided with a limiting assembly, and the limiting assembly comprises;

[0014] The positioning disc is arranged at the bottom of the gearbox structure, the positioning rod is fixedly installed on the top wall surface of the positioning disc, the top end of the positioning rod is fixedly installed on the bottom wall surface of the fixed disc, and the guide disc is fixedly installed on the side wall of the positioning disc.

[0015] The reset spring is sleeved on the outside of the spiral drill bit;

[0016] The limiting rod is at least one, the limiting rod is fixedly installed on the top wall surface of the mounting disc, and the positioning groove is arranged on the side wall of the positioning disc and the fixed disc.

[0017] In some embodiments, the upper and lower ends of the reset spring are fixedly connected to the side wall surfaces close to the positioning disc and the mounting disc, respectively.

[0018] In some embodiments, the output end of the driving motor is fixedly connected to the input end of the gearbox structure, and the limiting rod is slidingly installed in the positioning groove.

[0019] In some embodiments, the protection rod is composed of a material with elasticity.

[0020] In some embodiments, a plurality of tightening belts are equidistantly sleeved in the interiors of the plurality of protection rods.

[0021] Compared with the prior art, the utility model has the following remarkable advantages:

[0022] One: the utility model discloses, personnel are through handheld handle and aim at the position that needs to dig pit to spiral drill bit, then through starting drive motor, make drive motor's output end drive gearbox structure and spiral drill bit rotate, complete the operation of digging pit to ground, through installing disc and connect multiple protective poles together, under the cooperation of installing disc and protective pole, the lateral wall of spiral drill bit is protected, when spiral drill bit digs pit to ground, installing disc will contact ground, at this time personnel are through pressing handle, and spiral drill bit moves down, and protective pole therefore contacts the inner lateral wall of guide disc, under the guidance of guide disc inner lateral wall, and the top of protective pole therefore extends outward, and spiral drill bit is conveniently moved down, the problem that the baffle of prior art scheme is resisted on the ground, leading to spiral drill bit is difficult to move down is solved.

[0023] Second: the utility model discloses, through the position of guide disc of positioning disc and fix, guarantee the position stability of guide disc, through the elasticity of reset spring, can promote installing disc and move down, when spiral drill bit is lifted, and protective pole can continue to protect spiral drill bit, through sliding installation of limiting rod in the inside of positioning groove, make limiting rod limit the position of installing disc and protective pole, make installing disc and protective pole can stably slide up and down, guarantee the position stability of protection assembly. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model will be explained further below in combination with the drawings and examples:

[0025] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0026] Figure 2 It is the position schematic diagram of spiral drill bit of the utility model;

[0027] Figure 3 It is the position schematic diagram of reset spring and limiting rod of the utility model;

[0028] Figure 4 It is the position schematic diagram of guide disc and protective pole of the utility model.

[0029] EXPLANATION OF DRAWINGS:

[0030] 2, handle, 3, drive motor, 4, fixed disc, 5, gearbox structure, 6, spiral drill bit, 7, positioning disc, 8, positioning rod, 9, protective pole, 10, installing disc, 11, guide disc, 12, reset spring, 13, limiting rod, 14, positioning groove, 15, tighten belt. DETAILED DESCRIPTION

[0031] The utility model discloses below make detailed instructions to the utility model, clearly and completely describe the technical scheme in the utility model embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0032] The utility model discloses a municipal afforestation plants with portable pit digging device, the utility model discloses a technical scheme is:

[0033] As Figures 1-4 The utility model discloses a municipal afforestation plants with portable pit digging device, including fixed disc 4, the outside of fixed disc 4 is provided with excavating subassembly, and the excavating subassembly includes handle 2, drive motor 3, gearbox structure 5 and spiral drill bit 6, handle 2 has two, and two handle 2 are installed on the outside wall of fixed disc 4, drive motor 3 is fixedly installed on the top wall surface of fixed disc 4, gearbox structure 5 is fixedly installed on the bottom wall surface of fixed disc 4, and the output end of drive motor 3 is fixedly connected with the input end of gearbox structure 5, and spiral drill bit 6 is fixedly installed on the output end of gearbox structure 5, the staff is through handheld handle 2 and is aimed at the position needing to dig pit with spiral drill bit 6, then through starting drive motor 3, makes the output end of drive motor 3 and drives gearbox structure 5 and spiral drill bit 6 to rotate, completes the operation of digging pit to ground, the bottom of fixed disc 4 is provided with protection subassembly, and the protection subassembly includes protection rod 9, mounting disc 10 and guide disc 11, protection rod 9 has multiple, and protection rod 9 is composed of the material with the elasticity, and protection rod 9 is equidistantly distributed around spiral drill bit 6, and mounting disc 10 is fixedly installed on the bottom wall surface of multiple protection rod 9, and guide disc 11 is set up outside gearbox structure 5, and the inner side wall of guide disc 11 is arc shape, and the top end of protection rod 9 is attached with the inner side wall of guide disc 11, through mounting disc 10 and connect multiple protection rod 9 together, under the cooperation of mounting disc 10 and protection rod 9, the sidewall of spiral drill bit 6 is protected, when spiral drill bit 6 digs pit to ground, mounting disc 10 will contact with ground, at this time, the staff is through and presses handle 2, and spiral drill bit 6 moves down, and protection rod 9 therefore contacts with the inner side wall of guide disc 11, under the guidance of the inner side wall of guide disc 11, the top end of protection rod 9 therefore extends outward, and spiral drill bit 6 is conveniently moved down.

[0034] As Figures 1-4As shown in the drawings, in an embodiment, in order to ensure the position stability of the protection assembly, the bottom of the fixed disc 4 is provided with a limiting assembly, the limiting assembly comprises a positioning disc 7, a positioning rod 8, a reset spring 12, a limiting rod 13 and a positioning groove 14, the positioning disc 7 is arranged at the bottom of the gearbox structure 5, the positioning rod 8 is fixedly installed on the top wall surface of the positioning disc 7, the top end of the positioning rod 8 is fixedly installed on the bottom wall surface of the fixed disc 4, and the guide disc 11 is fixedly installed on the side wall of the positioning disc 7; the position of the guide disc 11 is fixed through the positioning disc 7, so as to ensure the position stability of the guide disc 11; the reset spring 12 is sleeved outside the auger bit 6, the upper and lower ends of the reset spring 12 are fixedly connected to the side wall surfaces of the positioning disc 7 and the mounting disc 10 respectively, the limiting rod 13 is at least one, the limiting rod 13 is fixedly installed on the top wall surface of the mounting disc 10, the positioning groove 14 is arranged on the side walls of the positioning disc 7 and the fixed disc 4, and the limiting rod 13 is slidably installed in the positioning groove 14; through the elasticity of the reset spring 12, the mounting disc 10 can be pushed to move downward, when the auger bit 6 is lifted, the protection rod 9 can continue to protect the auger bit 6, the limiting rod 13 is slidably installed in the positioning groove 14, so that the limiting rod 13 limits the positions of the mounting disc 10 and the protection rod 9, the mounting disc 10 and the protection rod 9 can stably slide up and down, and the position stability of the protection assembly is ensured.

[0035] As shown in the drawings, Figure 3 and Figure 4 As shown in the drawings, in an embodiment, in order to facilitate the protection rod 9 to return to the original state, a plurality of tightening belts 15 are equidistantly sleeved in the interiors of the plurality of protection rods 9; through the elasticity of the tightening belts 15, the plurality of protection rods 9 are close to each other, so as to facilitate the protection rod 9 to return to the original position.

[0036] The specific working method is: the worker holds the handle 2 to aim the auger bit 6 at the position where the pit needs to be dug, then starts the driving motor 3, the output end of the driving motor 3 drives the gearbox structure 5 and the auger bit 6 to rotate, the operation of digging the ground is completed, the plurality of protection rods 9 are connected together through the mounting disc 10, and the mounting disc 10 and the protection rod 9 cooperate to protect the side wall of the auger bit 6, when the auger bit 6 digs the ground, the mounting disc 10 will be in contact with the ground, at this time, the worker presses the handle 2, the auger bit 6 moves downward, the protection rod 9 is in contact with the inner side wall of the guide disc 11, under the guidance of the inner side wall of the guide disc 11, the top end of the protection rod 9 extends outward, the auger bit 6 moves downward, through the elasticity of the reset spring 12, the mounting disc 10 can be pushed to move downward, when the auger bit 6 is lifted, the protection rod 9 can continue to protect the auger bit 6, the limiting rod 13 is slidably installed in the positioning groove 14, so that the limiting rod 13 limits the positions of the mounting disc 10 and the protection rod 9, the mounting disc 10 and the protection rod 9 can stably slide up and down, and the position stability of the protection assembly is ensured.

[0037] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above technical means, and also include technical schemes composed of equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A portable hole digging device for municipal green planting, comprising a fixing disc (4), characterized in that: The outer part of the fixing disc (4) is provided with a digging assembly, and the bottom of the fixing disc (4) is provided with a protection assembly; The digging assembly comprises; A handle (2), the two handles (2) are installed on the outer side wall of the fixing disc (4); A driving motor (3), a gearbox structure (5) and a spiral drill bit (6), the driving motor (3) is fixedly installed on the top wall surface of the fixing disc (4), the gearbox structure (5) is fixedly installed on the bottom wall surface of the fixing disc (4), and the spiral drill bit (6) is fixedly installed on the output end of the gearbox structure (5); The protection assembly comprises; A protection rod (9), the protection rod (9) is circumferentially and equidistantly distributed around the spiral drill bit (6); An installation disc (10) and a guide disc (11), the installation disc (10) is fixedly installed on the bottom wall surface of the plurality of protection rods (9), and the inner side wall of the guide disc (11) is in an arc shape, and the top end of the protection rod (9) is attached to the inner side wall of the guide disc (11).

2. The portable hole digging device for municipal greening planting according to claim 1, characterized in that: The bottom of the fixing disc (4) is provided with a limiting assembly, and the limiting assembly comprises; A positioning disc (7) and a positioning rod (8), the positioning disc (7) is arranged at the bottom of the gearbox structure (5), the positioning rod (8) is fixedly installed on the top wall surface of the positioning disc (7), the top end of the positioning rod (8) is fixedly installed on the bottom wall surface of the fixing disc (4), and the guide disc (11) is fixedly installed on the side wall of the positioning disc (7); A reset spring (12), the reset spring (12) is sleeved on the outer part of the spiral drill bit (6); A limiting rod (13) and a positioning groove (14), the limiting rod (13) is at least one, the limiting rod (13) is fixedly installed on the top wall surface of the installation disc (10), and the positioning groove (14) is arranged on the side wall of the positioning disc (7) and the fixing disc (4).

3. The portable hole digging device for municipal greening planting according to claim 2, characterized in that: The upper and lower ends of the reset spring (12) are fixedly connected to the side wall surfaces close to the positioning disc (7) and the installation disc (10) respectively.

4. The portable hole digging device for municipal greening planting according to claim 1, characterized in that: The output end of the driving motor (3) is fixedly connected with the input end of the gearbox structure (5), and the limiting rod (13) is slidingly installed in the limiting groove (14).

5. The portable hole digging device for municipal greening planting according to claim 1, characterized in that: The protection rod (9) is made of a material with elasticity.

6. The portable hole digging device for municipal greening planting according to claim 1, characterized in that: A plurality of tightening belts (15) are equidistantly sleeved in the plurality of protection rods (9).

Citation Information

Patent Citations

  • Pit digging device for landscaping planting

    CN221058746U