CN219348240U

CN219348240U - Portable earth auger of pull formula

Info

Publication number: CN219348240U
Application number: CN202320115117.9U
Authority: CN
Inventors: 张晓严; 宋晓辉; 金净; 陈翔; 包海龙; 胡努斯吐; 张健; 杨红艳; 王雅茹; 张春良; 张天宇; 张海宁; 冯彩霞
Original assignee: Mengcao Ecological Environment Group Co Ltd
Current assignee: Mengcao Ecological Environment Group Co Ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-07-14
Anticipated expiration: 2033-01-18

Abstract

The utility model discloses a drawing type portable earth auger, which comprises a sampling cylinder, wherein the bottom of the sampling cylinder is fixedly connected with a base, one side of the sampling cylinder is communicated with a side connecting sleeve, a driving assembly is rotatably arranged in the side connecting sleeve, a bracket is clamped and arranged in the top of the sampling cylinder, an inner sleeve is rotatably arranged in the bracket, the bottom end of the inner sleeve is in transmission connection with the driving assembly, a drill bit rod is arranged in the inner sleeve in a threaded manner, and the bottom end of the drill bit rod is arranged in the sampling cylinder; the utility model provides a simple transmission structure for the sampling earth drill, replaces the defect that a person directly tramples the soil sampling device downwards with force, further reduces the difficulty of soil sampling, and provides stable transmission power for the bottom end of the drill bit to continuously extend downwards into the soil, so that the action is coherent.

Description

Portable earth auger of pull formula

Technical Field

The utility model relates to the technical field of soil sampling, in particular to a drawing type portable earth auger.

Background

The collection of the soil sample is a basic work in the fields of soil analysis and research, geological investigation and the like, and the actual condition of the soil is known through the analysis and research of the soil sample. At present, the soil sample collecting method comprises an earth boring method, a cutting ring method and the like, wherein the soil sample collected by the cutting ring method is mainly applied to the determination of the volume weight of soil, and the soil sample collected by the earth boring method is mainly applied to the determination of the physicochemical and biological properties of soil.

In the earth boring method in the prior art, a drill bit is driven into the ground through arm strength, a built-in push plate pushes out a soil sample, or the soil sample is finally mechanically disassembled through a multi-section linking technology, so that the artificial downward stress is uneven, the soil is difficult to take out, and the layered soil taking scale is not easy to observe.

Disclosure of Invention

The utility model aims to provide a drawing type portable earth auger, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pull-out portable earth boring drill, comprising:

the sampling device comprises a sampling cylinder, wherein the bottom of the sampling cylinder is fixedly connected with a base, one side of the sampling cylinder is communicated with a side connecting sleeve, and a driving assembly is rotatably arranged in the side connecting sleeve;

the bracket, the bracket joint sets up in the top of sampling tube, the bracket rotation is installed interior sleeve pipe, interior sleeve pipe's bottom with drive assembly transmission is connected, interior sleeve pipe internal thread installs the drill bit pole, just the bottom of drill bit pole sets up in the sampling tube.

Preferably, the top of the sampling tube is provided with a clamping groove in an annular mode.

Preferably, the outer side of the bracket is fixedly connected with a clamping block in an annular mode, the clamping block is in clamping connection with the clamping groove, and a rotating groove is formed in the inner side wall of the bracket.

Preferably, the bottom end fixing of the inner sleeve is sleeved with a first conical gear, the outer side of the inner sleeve is fixedly sleeved with a rotating sleeve block, the rotating sleeve block is rotatably installed in the rotating groove, and the upper portion and the lower portion of the rotating sleeve block are all annular and rotatably provided with a plurality of balls.

Preferably, the driving assembly comprises a second bevel gear, a ratchet wheel and an outer sleeve, wherein the second bevel gear is rotatably installed in the side connecting sleeve through a rotating rod, the second bevel gear is meshed with the first bevel gear, the ratchet wheel is fixedly sleeved on the outer side of the rotating rod, one end of the outer sleeve is fixedly connected with the outer ring of the ratchet wheel, the outer sleeve is rotatably arranged in the side connecting sleeve, a torsion spring is arranged in the other end of the outer sleeve, one end of the torsion spring is fixedly connected with the inner side wall of the outer sleeve, and the other end of the torsion spring is fixedly connected with the inner side wall of the side connecting sleeve.

Preferably, a steel wire rope is fixedly wound on the outer side of one end of the outer sleeve, and the other end of the steel wire rope penetrates through the side connecting sleeve and is fixedly connected with a pull ring.

Preferably, a through hole for the steel wire rope to penetrate is formed in the top of the side connecting sleeve.

Preferably, the top lateral wall of drill rod is provided with scale marking, the inside sliding connection of drill rod has the bull-dozer pole, the top of bull-dozer pole is provided with the push pedal.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the bottom of the sampling cylinder is provided with the pedal and the saw teeth, the foot of a user is stepped on the pedal with force, and the base can quickly enter the soil due to the saw teeth, so that the stability of entering the soil is improved;

2. according to the utility model, the top of the sampling tube is clamped and provided with the bracket, the inner sleeve is rotatably arranged in the bracket, the outer side of the bottom end of the inner sleeve is fixedly sleeved with the first conical gear, the drill bit rod is arranged in the inner sleeve in a threaded manner, the bottom end of the drill bit rod is in sliding connection with the inner side wall of the sampling tube, when the first conical gear is driven to drive the inner sleeve to rotate, the drill bit rod is quickly and downwards detected by matching the inner threads of the inner sleeve with the outer threads of the drill bit rod, and then the bottom end of the drill bit rod can be enabled to collect soil below by driving the first conical gear, so that the operation is simple and convenient;

3. according to the utility model, the second bevel gear is rotatably arranged in the side connecting sleeve which is communicated with one side of the sampling tube through the rotating rod, the second bevel gear can be meshed and connected with the first bevel gear, the rotating rod is fixedly sleeved with the ratchet wheel, the outer ring of the ratchet wheel is fixedly sleeved with the outer sleeve, the outer sleeve is wound on the outer sleeve through the steel wire rope, and a torsion spring is arranged between the outer sleeve and the inner side wall of the side connecting sleeve, when the steel wire rope is pulled, the outer sleeve can be driven to drive the second bevel gear to rotate, the inner sleeve is driven to rotate, the transmission connection is stable, the outer sleeve carries the steel wire rope to reset and wind on the outer sleeve under the torsion action of the torsion spring, and the pulling action can be continuously and continuously repeated;

3. the scale mark line is arranged on the outer side of the top end of the drill bit rod, so that the depth of downward penetration of the drill bit rod can be conveniently observed, and the drill bit rod can be split into a plurality of parts, so that the drill bit is convenient to detach and maintain;

the utility model provides a simple transmission structure for the sampling earth drill, replaces the defect that a manual force directly tramples the soil sampling device downwards, further reduces the difficulty of soil sampling, provides stable transmission power for continuously downwards penetrating into the soil for the bottom end of the drill bit rod, and has coherent actions.

Drawings

FIG. 1 is a schematic view of a cartridge of the present utility model;

FIG. 2 is a schematic view of a bit shank according to the present utility model;

FIG. 3 is a schematic view of a bit shank according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a bracket according to the present utility model;

FIG. 5 is an enlarged schematic view of the portion A of FIG. 4 according to the present utility model;

FIG. 6 is a schematic cross-sectional view of an outer sleeve according to the present utility model.

In the figure: 1. a sampling cylinder; 2. a bracket; 3. a bit shank; 4. a side connecting sleeve; 5. a drive assembly; 6. a clamping block; 7. an inner sleeve; 8. a first bevel gear; 9. scale marks; 10. a bulldozer lever; 11. a push plate; 12. a through hole; 13. a clamping groove; 14. a rotating groove; 15. rotating the sleeve block; 16. a ball; 17. a second bevel gear; 18. a torsion spring; 19. a rotating lever; 20. a ratchet wheel; 21. an outer sleeve; 22. a wire rope; 23. and (5) a pull ring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution:

a pull-out portable earth boring drill, comprising:

the bottom of the sampling tube 1 is fixedly connected with a base, as shown in fig. 1 and 4, the bottom of the base is provided with saw teeth and a pedal, a user can tread on the pedal with feet, the base can quickly enter soil due to the saw teeth, the stability of entering the soil is improved, one side of the sampling tube 1 is communicated with a side connecting sleeve 4, a driving assembly 5 is rotationally arranged in the side connecting sleeve 4, and as shown in fig. 4, the inner side wall of the bottom of the sampling tube 1 is symmetrically provided with grooves;

bracket 2, bracket 2 joint setting is in the top of sampling tube 1, and interior sleeve pipe 7 is installed to bracket 2 internal rotation, and interior sleeve pipe 7's bottom and drive assembly 5 transmission are connected, and interior sleeve pipe 7 internal thread installs bit pole 3, and the bottom setting of bit pole 3 is in sampling tube 1, and as shown in fig. 2-4, the lateral wall symmetry fixedly connected with fixed block of bit pole 3, and the fixed block slides and set up in the recess of sampling tube 1 inside wall, and interior sleeve pipe 7 rotates and can make bit pole 3 move downwards. The bottom of drill rod 3 sets up and flushes in the upper portion of sampling tube 1 base, has avoided drill rod 3 like this when not rotating and directly contacts with the ground that needs to gather, and then has avoided drill rod 3 unable rotation with higher speed.

As shown in fig. 5, a clamping groove 13 is formed in the top of the sampling tube 1 in an annular shape.

As shown in fig. 2 and 5, the outer side of the bracket 2 is fixedly connected with a clamping block 6, the clamping block 6 is clamped with a clamping groove 13, the bracket 2 is clamped in the top of the sampling tube 1 through four clamping blocks 6, and as shown in fig. 1, in order to prevent the bracket 2 from being unable to be taken down from the upper part of the sampling tube 1, a certain space exists between the top of the bracket 2 and the top of the sampling tube 1, the bracket 2 is convenient to take, and a rotating groove 14 is formed in the inner side wall of the bracket 2.

As shown in fig. 2 and 5, the bottom end fixing of the inner sleeve 7 is sleeved with the first conical gear 8, the outer side of the inner sleeve 7 is fixedly sleeved with the rotating sleeve block 15, the rotating sleeve block 15 is rotatably installed in the rotating groove 14, the upper portion and the lower portion of the rotating sleeve block 15 are all in annular rotation, a plurality of balls 16 are installed, the friction between the rotating sleeve block 15 and the rotating groove 14 can be reduced by the plurality of balls 16, and the rotating lubrication degree is increased.

As shown in fig. 2 and fig. 5-6, the driving assembly 5 includes a second bevel gear 17, a ratchet 20 and an outer sleeve 21, the second bevel gear 17 is rotatably installed in the side connecting sleeve 4 through a rotating rod 19, the second bevel gear 17 is meshed with the first bevel gear 8, the ratchet 20 is fixedly sleeved on the outer side of the rotating rod 19, one end of the outer sleeve 21 is fixedly connected with the outer ring of the ratchet 20, the outer sleeve 21 is rotatably arranged in the side connecting sleeve 4, a torsion spring 18 is arranged in the other end of the outer sleeve 21, one end of the torsion spring 18 is fixedly connected with the inner side wall of the outer sleeve 21, and the other end of the torsion spring 18 is fixedly connected with the inner side wall of the side connecting sleeve 4.

Further, a wire rope 22 is fixedly wound on the outer side of one end of the outer sleeve 21, as shown in fig. 6, a groove for winding the wire rope 22 is formed on the outer side of one end of the wire rope 22, the other end of the wire rope 22 penetrates through the side connecting sleeve 4 and is fixedly connected with a pull ring 23, a user pulls the wire rope 22 to pull the outer sleeve 21 to rotate through pulling the pull ring 23, the rotating rod 19 is driven back under the action of the ratchet 20 to drive the second bevel gear 17 to drive the first bevel gear 8 to rotate, the first bevel gear 8 rotates and simultaneously drives the inner sleeve 7 to rotate in the bracket 2, at the moment, torsion spring 18 can increase torsion, after the arm of the user is put down, the wire rope 22 is driven to continuously wind on the outer sleeve 21 under the reaction of the torsion spring 18, and then the inner sleeve 7 can be driven to continuously rotate in one direction by pulling the pull ring 23 through repeating the operation;

the ratchet 20 is an internal engagement type ratchet mechanism, which is a product of the prior art, and will not be described herein in detail, the rotation of the ratchet 20 in one direction can provide driving power, and the reverse rotation of the ratchet 20 belongs to idle rotation and does not provide driving power.

As shown in fig. 4, the top of the side connecting sleeve 4 is provided with a through hole 12 for the penetration of the steel wire rope 22, so that the steel wire rope 22 is convenient to penetrate, the width of the steel wire rope 22 is larger than that of a groove at one end of the outer sleeve 21, and the edge of the steel wire rope 22 is provided with a round corner structure, so that friction loss to the steel wire rope 22 is reduced.

As shown in fig. 2-5, the top lateral wall of the drill bit pole 3 is provided with a scale mark 9, the depth that the drill bit pole 3 is visited into the soil downwards is observed through the scale mark 9, and the bottom of the scale mark 9 is flush with the bottom of the inner sleeve 7, the inside sliding connection of the drill bit pole 3 has a bulldozer pole 10, the bulldozer pole 10 can pull up and down in the drill bit pole 3, the top of the bulldozer pole 10 is provided with a push plate 11, the bulldozer pole 10 is enabled to downwards extrude the collected soil in the drill bit pole 3 by pushing the push plate 11, and a rubber sleeve is sleeved at the top of the push plate 11, so that the pushing comfort is increased.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pull-out portable earth boring drill, comprising:

the sampling device comprises a sampling tube (1), wherein a base is fixedly connected to the bottom of the sampling tube (1), one side of the sampling tube (1) is communicated with a side connecting sleeve (4), and a driving assembly (5) is rotatably installed in the side connecting sleeve (4);

bracket (2), bracket (2) joint sets up in the top of sampling tube (1), interior sleeve pipe (7) are installed to bracket (2) internal rotation, the bottom of interior sleeve pipe (7) with drive assembly (5) transmission is connected, interior sleeve pipe (7) internal thread installs drill bit pole (3), just the bottom setting of drill bit pole (3) is in sampling tube (1).

2. A pull-out portable earth boring machine according to claim 1, wherein: a clamping groove (13) is formed in the top of the sampling cylinder (1) in an annular mode.

3. A pull-out portable earth boring machine according to claim 2, wherein: the outer side annular fixedly connected with fixture block (6) of bracket (2), fixture block (6) with draw-in groove (13) joint setting, rotation groove (14) have been seted up to the inside wall of bracket (2).

4. A pull-out portable earth boring machine according to claim 3, wherein: the bottom end fixing of the inner sleeve (7) is sleeved with a first conical gear (8), the outer side of the inner sleeve (7) is fixedly sleeved with a rotating sleeve block (15), the rotating sleeve block (15) is rotatably installed in the rotating groove (14), and a plurality of balls (16) are rotatably installed on the upper portion and the lower portion of the rotating sleeve block (15).

5. The portable earth boring drill of claim 4, further comprising: the driving assembly (5) comprises a second bevel gear (17), a ratchet wheel (20) and an outer sleeve (21), the second bevel gear (17) is rotatably mounted in the side connecting sleeve (4) through a rotating rod (19), the second bevel gear (17) is meshed with the first bevel gear (8), the ratchet wheel (20) is fixedly sleeved on the outer side of the rotating rod (19), one end of the outer sleeve (21) is fixedly connected with the outer ring of the ratchet wheel (20), the outer sleeve (21) is rotatably mounted in the side connecting sleeve (4), a torsion spring (18) is arranged in the other end of the outer sleeve (21), one end of the torsion spring (18) is fixedly connected with the inner side wall of the outer sleeve (21), and the other end of the torsion spring (18) is fixedly connected with the inner side wall of the side connecting sleeve (4).

6. The portable earth boring drill of claim 5, further comprising: the steel wire rope (22) is fixedly wound on the outer side of one end of the outer sleeve (21), and the other end of the steel wire rope (22) penetrates through the side connecting sleeve (4) and is fixedly connected with a pull ring (23).

7. The portable earth boring drill of claim 6, further comprising: the top of the side connecting sleeve (4) is provided with a through hole (12) for the steel wire rope (22) to penetrate.

8. A pull-out portable earth boring machine according to claim 1, wherein: the drill bit is characterized in that the scale marks (9) are arranged on the side wall of the top of the drill bit rod (3), a bulldozer rod (10) is connected inside the drill bit rod (3) in a sliding mode, and a push plate (11) is arranged on the top of the bulldozer rod (10).