Rotary pit digging mechanism

Abstract

The utility model discloses a rotary type pit digging mechanism, including spiral drill stem and connecting subassembly, spiral drill stem includes column body, spiral piece, conical head and two sets of drilling tool, column body includes upper stand column and lower stand column, spiral piece, drilling tool and column body all through welding fixed connection, the conical head is connected with the column body through welding fixed connection. The connecting assembly is located between the upper stand column and the lower stand column and comprises a connecting piece and a fixing piece. By means of the designed connecting assembly, a plurality of conical heads can be carried in the field tree planting process, the lower stand columns on the conical heads are integrated with the drilling tool and the like, the drilling tool and the conical heads can be independently replaced when damaged, the situation that the spiral drill rod needs to be integrally replaced is avoided, and the cost is reduced. And moreover, the condition that a plurality of spiral drill rods need to be carried together traditionally is not needed, an operator can carry the spiral drill rods conveniently, purchasing of a plurality of spiral drill rods is not needed, the purchasing cost is saved, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of spiral drill rods, and in particular relates to a rotary pit digging mechanism. Background Art

[0002] A hole digger is used when planting green trees. A rotating auger rod is installed at the bottom of the hole digger. The land is dug by the rotation of the auger rod, and the soil produced by the digging is brought out by the action of the spiral blades on the auger rod. Chinese patent application No. 202020726269.9 discloses a spiral hole digging mechanism for gardening. It can be seen that the content describes a rotary hole digging mechanism.

[0003] When the existing rotary digging mechanism is in use, the drill bit, cone head and column on the auger rod are fixedly connected by welding. When digging a hole in the land, the cone head in the column on the auger rod and the drill bit first contact with a point. When there are some small stones in the land, the cone head and the drill bit will be severely worn or damaged after hitting the stones. At this time, the auger rod needs to be replaced as a whole. In this way, multiple auger rods need to be carried when used in the field, which will increase the fatigue when carrying the auger rods. It will also be necessary to purchase multiple auger rods, which increases the cost of use. For this reason, we propose a rotary digging mechanism. Utility Model Content

[0004] The utility model aims to provide a rotary digging mechanism to solve the problem that when the existing rotary digging mechanism is in use and there are some small stones in the ground, the cone head and the drill bit will be severely worn or damaged after hitting the stones. At this time, the spiral drill rod needs to be replaced as a whole. In this way, multiple spiral drill rods need to be carried when used in the field, which increases the fatigue of carrying the spiral drill rods.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary pit digging mechanism, including an auger rod and a connecting assembly, the auger rod including a column, a spiral sheet, a cone head and two groups of drill bits, the column including an upper column and a lower column, the spiral sheet, the drill bit and the column are all fixedly connected by welding, the connecting assembly is located between the upper column and the lower column, the connecting assembly includes a connecting piece and a fixing piece, the connecting piece includes a connecting column and two groups of side vertical plates, the lower surface of the connecting column is provided with two groups of through grooves, the top of the side vertical plate penetrates into the interior of the through grooves, the interior of the connecting column is respectively provided with two groups of screw holes and two groups of internal thread grooves, and a stud is arranged inside the screw hole.

[0006] Preferably, a plug hole is provided on the surface of the side plate, and the working end of the stud extends to the inside of the plug hole.

[0007] Preferably, a first hexagonal hole is formed at the end of the stud, and the connecting column is fixed to the bottom of the upper column.

[0008] Preferably, a neutral plate is fixedly provided on the upper surface of the lower column, and a slot is also provided on the lower surface of the connecting column, and the top of the neutral plate penetrates into the interior of the slot.

[0009] Preferably, the bottom of the side vertical plate is fixed to the top of the lower vertical column, and the screw hole, the internal thread groove and the through groove are connected.

[0010] Preferably, the interior of the internal thread groove is connected to an external thread disk via threads, and a second internal hexagonal hole is formed on the surface of the external thread disk.

[0011] Preferably, a fixing rod is fixedly provided on the top of the upper column.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model is designed with a connection component that allows multiple cone heads to be carried when planting trees in the wild. The lower column and the drill bit on the cone head are integrated. When the drill bit and the cone head are damaged, they can be replaced separately, avoiding the need to replace the auger rod as a whole. In addition, there is no need to carry multiple auger rods as in the traditional method, which is convenient for operators to carry and there is no need to purchase multiple auger rods, thus saving procurement costs and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the neutral plate and the side plate of the utility model;

[0017] Figure 4 This is a schematic diagram of the connecting column structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the stud structure of the utility model;

[0019] Figure 6 This is a schematic diagram of the structure of the external threaded disc of the utility model;

[0020] Figure 7 This is a schematic diagram of the structure of the connecting column of the utility model when viewed from above;

[0021] In the figure: 100, fixing rod; 101, upper column; 102, spiral sheet; 103, drill; 104, lower column; 105, cone head; 200, connecting column; 201, internal thread groove; 202, stud; 203, neutral plate; 204, side plate; 205, jack; 206, screw mouth; 207, first internal six holes; 208, slot; 209, through groove; 300, external thread disk; 301, second internal six holes. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] See also Figure 1-Figure 7The utility model provides a technical solution: a rotary pit digging mechanism, including an auger rod and a connecting assembly. When in use, the auger rod is a rotary pit digging device. The auger rod includes a column, a spiral sheet 102, a cone head 105 and two sets of drill bits 103. The column includes an upper column 101 and a lower column 104. The spiral sheet 102, the drill bit 103 and the column are fixedly connected by welding. The connecting assembly is located between the upper column 101 and the lower column 104. The connecting assembly includes a connecting piece and The fixing part includes a connecting column 200 and two sets of side plates 204. The lower surface of the connecting column 200 is provided with two sets of through grooves 209. The top of the side plate 204 penetrates into the inside of the through groove 209. The inside of the connecting column 200 is respectively provided with two sets of screw holes 206 and two sets of internal thread grooves 201. When in use, the screw holes 206 are connected to the studs 202 through threads. The inside of the screw holes 206 is provided with studs 202. The surface of the side plate 204 is provided with jacks 205. The studs 20 The working end of the stud 202 extends to the inside of the jack 205, the end of the stud 202 is provided with a first inner six-hole 207, the connecting column 200 is fixed to the bottom of the upper column 101, the upper surface of the lower column 104 is fixedly provided with a neutral plate 203, the lower surface of the connecting column 200 is also provided with a slot 208, the top of the neutral plate 203 penetrates into the inside of the slot 208, the bottom of the side plate 204 is fixed to the top of the lower column 104, the screw mouth 206, the internal thread groove 201 and the through groove 209 are connected Through the designed connection components, multiple cone heads 105 can be carried when planting trees in the wild. The lower column 104 on the cone head 105 is integrated with the drill bit 103. When the drill bit 103 and the cone head 105 are damaged, they can be replaced separately, avoiding the need to replace the spiral drill rod as a whole. There is no need to carry multiple spiral drill rods together as in the traditional way, which is convenient for operators to carry and there is no need to purchase multiple spiral drill rods, saving procurement costs and facilitating use.

[0025] In the present embodiment, preferably, the interior of the internal thread groove 201 is connected to the external thread disk 300 via a thread. When in use, the external thread disk 300 is connected to the internal thread groove 201 via a thread. A second internal hexagonal hole 301 is provided on the surface of the external thread disk 300. The designed external thread disk 300 and the second internal hexagonal hole 301 are combined to facilitate tightening the external thread disk 300 into the internal thread groove 201 during use. When replacing, the external thread disk 300 is unscrewed and then the operation is performed, thereby increasing the sealing inside the internal thread groove 201.

[0026] In this embodiment, preferably, a fixing rod 100 is fixedly provided on the top of the upper column 101. When in use, the fixing rod 100 is installed in the digging machine and connected to a driving device in the digging machine.

[0027] The working principle and use process of this utility model:

[0028] When the utility model is in use, when going to the wild to dig holes and plant saplings, only the cone head 105 needs to be carried. The lower column 104 on the cone head 105 is integrated with the drill bit 103, etc. When the drill bit 103 and the cone head 105 are damaged and need to be replaced during use, the end of the inner hexagonal wrench is inserted into the second inner six holes 301 and rotated outward to unscrew the external threaded disk 300, and then the end of the inner hexagonal wrench is inserted into the first inner six holes 207 in the stud 202 and rotated outward, then the stud 202 is rotated outward to loosen, and then the working end of the stud 202 is separated from the inside of the jack 205, and then the cone head 105 is moved downward to drive the lower column 104 to move, and then the top of the neutral plate 203 on the lower column 104 is separated from the inside of the slot 208, and the top of the side plate 204 is separated from the inside of the through groove 209, and then it can be removed, and then the new cone head 105 is taken out and the replacement can be completed according to the above-mentioned reverse principle.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary pit digging mechanism, comprising an auger rod and a connecting assembly, wherein the auger rod comprises a column, a spiral sheet (102), a cone head (105) and two sets of drill bits (103), wherein the column comprises an upper column (101) and a lower column (104), wherein the spiral sheet (102), the drill bit (103) and the column are fixedly connected by welding, and wherein: The connecting component is located between the upper column (101) and the lower column (104), and the connecting component includes a connecting piece and a fixing piece. The connecting piece includes a connecting column (200) and two groups of side panels (204). The lower surface of the connecting column (200) is provided with two groups of through grooves (209), and the top of the side panel (204) penetrates into the inside of the through groove (209). The inside of the connecting column (200) is respectively provided with two groups of screw holes (206) and two groups of internal thread grooves (201), and the inside of the screw hole (206) is provided with a stud (202).

2. A rotary pit digging mechanism according to claim 1, characterized in that: A plug hole (205) is provided on the surface of the side plate (204), and the working end of the stud (202) extends into the interior of the plug hole (205).

3. A rotary pit digging mechanism according to claim 2, characterized in that: A first hexagonal hole (207) is formed at the end of the stud (202), and the connecting column (200) is fixed to the bottom of the upper column (101).

4. A rotary digging mechanism according to claim 3, characterized in that: A neutral plate (203) is fixedly arranged on the upper surface of the lower column (104), and a slot (208) is also provided on the lower surface of the connecting column (200), and the top of the neutral plate (203) penetrates into the interior of the slot (208).

5. A rotary pit digging mechanism according to claim 4, characterized in that: The bottom of the side plate (204) is fixed to the top of the lower column (104), and the screw hole (206), the internal thread groove (201) and the through groove (209) are connected.

6. A rotary pit digging mechanism according to claim 5, characterized in that: The interior of the internal thread groove (201) is connected to an external thread disk (300) via threads, and a second internal hexagonal hole (301) is formed on the surface of the external thread disk (300).

7. A rotary pit digging mechanism according to claim 1, characterized in that: A fixing rod (100) is fixedly arranged on the top of the upper column (101).

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