Ground auger

Abstract

The utility model discloses a ground auger which comprises a mounting frame, a driving part, a drilling tool and two holding rod assemblies. When the ground auger is used by a single person, the second holding rod is in an inward single-person using state, the angle between the second holding rod and the first holding rods is adjusted through the adjusting mechanism, the second holding rod is made to be close to the mounting rod, and when the ground auger is used, the two first holding rods are held by two hands respectively. When the ground auger is used by two persons, the second holding rods are in an outward double-person using state, and the angles between the second holding rods and the first holding rods are adjusted through the adjusting mechanisms, so that the distance between the two second holding rods in one holding rod assembly is increased along with the distance away from the first holding rods. During use, a person holds the two second holding rods in one holding rod assembly with two hands respectively. The dual-purpose chair has the beneficial effect that the dual-purpose chair can be very conveniently and quickly switched between single-person use and double-person use.

Description

Technical Field

[0001] This utility model relates to soil drilling tools, and more particularly to a soil drill. Background Technology

[0002] A ground drill is a tool used for drilling holes in the ground. It generally includes a mounting frame, two sets of grip assemblies, a drive unit consisting of a gasoline engine and gearbox, and a drill bit mounted on the output shaft of the drive unit. The drill bit has auger blades, available in various types and sizes. The appropriate drill bit can be changed on the output shaft according to the actual land conditions and drilling requirements. The gasoline engine drives the drill bit to rotate, and the gearbox reduces the speed of the drill bit, thereby increasing torque. Depending on the actual land conditions and drilling requirements, ground drills can be used by one person or two people. Correspondingly, the grip assembly needs to be switched between these two modes to adapt. Currently, a typical grip assembly includes a first grip fixedly connected to the mounting frame and a second grip detachably connected to the mounting frame. For single-person use, the four second grips are removed, and each person holds two of the first grips with both hands. For two-person use, the four second grips are reinstalled, and one person holds two of the second grips in each grip assembly with both hands. This method of disassembling and reinstalling the second grips makes switching between the two modes of the ground drill very inconvenient. Utility Model Content

[0003] This application provides a ground drill that can solve the problems mentioned in the background art.

[0004] This application provides a ground drill, comprising:

[0005] Mounting bracket with two mounting rods;

[0006] The drive unit is installed in the middle of the two mounting rods;

[0007] Drilling tool, mounted on the output shaft of the drive unit;

[0008] Two sets of grip assemblies, one set is located at the first end of the two mounting rods, and the other set is located at the second end of the two mounting rods;

[0009] The grip assembly includes: a first grip bar, two second grip bars, and two sets of adjustment mechanisms;

[0010] Two second grips are hinged to the two ends of the first grip; two sets of adjustment mechanisms act on the two second grips respectively to adjust the angle between the corresponding second grip and the first grip; the first grip is fixedly connected to the ends of the two mounting rods and can also rotate around its own axis to adjust its fixed position, so that the two second grips can switch between an outward-facing double-person use state and an inward-facing single-person use state.

[0011] In some embodiments, the adjustment mechanism is a telescopic rod, with its two ends hinged to the second grip and the first grip, respectively.

[0012] In some embodiments, a handbrake is also included, which is detachably mounted on a first or second grip lever in the same group.

[0013] In some embodiments, the top of the handbrake has a clip that engages with the first grip lever / second grip lever; the first grip lever / second grip lever also has a protrusion that engages with the clip's inlet.

[0014] In some embodiments, when switching between dual-user and single-user use modes, the first grip lever traverses an angle of 180 degrees; pins are provided between both ends of the first grip lever and the corresponding mounting rods.

[0015] In some embodiments, the telescopic rod includes a screw, a connector, and a threaded cylinder; a first end of the screw is hinged to one of a first grip or a second grip; the connector is hinged to the other of the first grip or the second grip; a first end of the threaded cylinder is rotatably connected to the connector, and a second end is threadedly connected to the screw.

[0016] In summary, this application provides a ground drill, including a mounting frame, a drive unit, a drill bit, and two sets of grip assemblies. For single-person use, the second grip is in an inward-facing single-person use configuration. An adjustment mechanism adjusts the angle between the second and first grips, bringing the second grip closer to the mounting rod. During use, both hands grip the two first grips respectively. For two-person use, the second grip is in an outward-facing two-person use configuration. An adjustment mechanism adjusts the angle between the second and first grips, increasing the distance between the two second grips in each grip assembly as they move away from the first grips. During use, one person grips the two second grips in each grip assembly respectively. The advantages include convenient and quick switching between single-person and two-person use. Attached Figure Description

[0017] To better illustrate the technical solutions in the embodiments of this application or the background art, the accompanying drawings used in the embodiments of this application or the background art will be described below.

[0018] Figure 1 This is a schematic diagram of the present application;

[0019] Figure 2 Top view of the grip assembly and mounting bracket for single-person use;

[0020] Figure 3 This is a schematic diagram of the grip assembly and mounting bracket when used by a single person.

[0021] Figure 4 for Figure 3 An enlarged schematic diagram of part A in the middle;

[0022] Figure 5 This is a schematic diagram of the grip assembly and mounting bracket when used by two people.

[0023] Figure 6 A diagram showing the installation of brakes on the grip assembly.

[0024] In the picture,

[0025] 1. Mounting bracket; 1a. Mounting rod; 1b. Mounting plate;

[0026] 2. Drive unit;

[0027] 3. Drilling tools;

[0028] 4. Grip assembly; 4a. First grip; 4b. Second grip; 4ab. Protruding part; 4c. Adjustment mechanism; 4c1. Screw; 4c2. Connector; 4c3. Threaded cylinder;

[0029] 5. Handbrake; 5a. Clamp;

[0030] 6. Connecting ear;

[0031] 7. Connecting sleeve; 7a. Pin. Detailed Implementation

[0032] The following description is provided in conjunction with the accompanying drawings, which are for illustrative purposes only and not strictly to scale. Unless otherwise defined, the technical or scientific terms used in this disclosure should be understood in their ordinary sense by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships, and these relative positional relationships may change accordingly when the absolute position of the described object changes. Unless otherwise specified, the embodiments in this application can be combined with each other.

[0033] Please see Figure 1 and Figure 2 A type of ground drill includes a mounting frame 1, a drive unit 2, a drill bit 3, and two sets of lever assemblies 4.

[0034] Mounting bracket 1 has two mounting rods 1a for mounting drive unit 2.

[0035] The drive unit 2 is installed at the middle position of the two mounting rods 1a. More specifically, the drive unit 2 can be directly installed at the middle position of the two mounting rods 1a, or a mounting plate 1b can be fixed at the middle position of the two mounting rods 1a, and the drive unit 2 can be installed on the mounting plate 1b.

[0036] The drive unit 2 includes a gasoline engine and a gearbox for speed reduction.

[0037] The drill bit 3 is mounted on the output shaft of the drive unit 2, which is the output shaft of the gearbox. For ease of illustration, only the section of the drill bit 3 used to connect to the output shaft is shown in the attached drawing.

[0038] Please see Figure 1 and Figure 2 Two sets of grip assemblies 4, one set is set at the first end of the two mounting rods 1a, and the other set is set at the second end of the two mounting rods 1a.

[0039] The grip assembly 4 includes: a first grip 4a, two second grips 4b, and two sets of adjustment mechanisms 4c.

[0040] Please see Figure 3 and Figure 4 Two second grip rods 4b are respectively hinged to both ends of the first grip rod 4a. More specifically, both the first grip rod 4a and the second grip rod 4b are hollow, and both are fixedly connected to a connecting ear 6 by fasteners. That is, the connecting ear 6 has a plug-in post that inserts into the first grip rod 4a / second grip rod 4b. The corresponding positions of the first grip rod 4a / second grip rod 4b and the plug-in post have through holes for bolts to pass through. The connecting ear 6 is used to realize the hinge between the first grip rod 4a and the second grip rod 4b.

[0041] Two sets of adjustment mechanisms 4c act on two second grips 4b respectively to adjust the angle between the corresponding second grip 4b and the first grip 4a.

[0042] In some embodiments, the adjustment mechanism 4c may be a telescopic rod. The two ends of the telescopic rod are hinged to the second grip 4b and the first grip 4a, respectively, forming a triangular structure. The angle between the second grip 4b and the first grip 4a is adjusted by changing the length of the telescopic rod.

[0043] Please see Figure 4 In some embodiments, the telescopic rod may include a screw 4c1, a connector 4c2, and a threaded cylinder 4c3. The first end of the screw 4c1 is hinged to one of the first gripping rod 4a or the second gripping rod 4b; the connector 4c2 is hinged to the other of the first gripping rod 4a or the second gripping rod 4b; the first end of the threaded cylinder 4c3 is rotatably connected to the connector 4c2 via a bearing, and the second end is threadedly connected to the screw 4c1.

[0044] In this way, rotating the threaded cylinder 4c3 causes the screw 4c1 to move relative to the threaded cylinder 4c3, changing the length of the telescopic rod and adjusting the angle between the second gripping rod 4b and the first gripping rod 4a. The operation is simple and convenient, and the threaded connection also makes the triangular structure more stable.

[0045] Please see Figure 3 and Figure 4 The first grip 4a is fixedly connected to the ends of the two mounting rods 1a and can also be adjusted in position by rotating around its own axis. Adjusting the position of the first grip 4a allows the two second grips 4b to switch between an outward-facing dual-use state and an inward-facing single-use state. More specifically, the mounting rod 1a is hollow. Referring to the fixed connection between the first grip 4a / second grip 4b and the connecting lug 6, the mounting rod 1a is fixedly connected to a connecting sleeve 7 by fasteners. The end of the first grip 4a is inserted into the corresponding connecting sleeve 7, allowing the first grip 4a to rotate around its own axis. The two connecting lugs 6 of the first grip 4a can respectively fit into the two connecting sleeves 7, restricting the movement of the first grip 4a along its own axis.

[0046] In some embodiments, the connecting sleeve 7 may be threaded with screws. Tightening the screws restricts the first gripping rod 4a from rotating about its own axis and fixes it relatively to the two mounting rods 1a; loosening the screws releases the restriction on the first gripping rod 4a from rotating about its own axis.

[0047] Please see Figure 4 In some embodiments, the first grip 4a traverses an angle of 180 degrees when switching between dual-user and single-user modes. Pins 7a are provided between both ends of the first grip 4a and the corresponding mounting rod 1a. More specifically, the connecting sleeve 7, mounting rod 1a, first grip 4a, and connecting lug 6, which insert into the connecting post of the first grip 4a, are all provided with through holes for the pins 7a to pass through.

[0048] Compared to screws, using pin 7a to restrict or release the first grip 4a from rotating around its own axis makes operation quicker and more convenient.

[0049] Please see Figure 3 and Figure 5 For single-person use of the drill bit, the second grip 4b is in an inward-facing single-person use configuration. The angle between the second grip 4b and the first grip 4a is adjusted via the adjustment mechanism 4c, bringing the second grip 4b closer to the mounting rod 1a. During use, both hands grip the two first grips 4a respectively. For two-person use of the drill bit, the second grip 4b is in an outward-facing two-person use configuration. The angle between the second grip 4b and the first grip 4a is adjusted via the adjustment mechanism 4c, increasing the distance between the two second grips 4b in the grip assembly 4 as they move away from the first grip 4a. During use, one person grips the two second grips 4b in the grip assembly 4 respectively.

[0050] Please see Figure 6 In some embodiments, the drill bit also includes a handbrake 5, which is detachably mounted on either a first grip 4a or a second grip 4b in the same group. The handbrake 5 is used to decelerate and stop the drill bit 3. That is, the operation of braking the drill bit 3 is done by detachably mounting either the first grip 4a or the second grip 4b in the same group. When a single person uses the drill bit, the handbrake 5 is mounted on the first grip 4a; when two people use the drill bit, the handbrake 5 is mounted on the second grip 4b.

[0051] This allows for the deceleration and braking of the drill bit 3 based on the actual drilling conditions of the land during drilling.

[0052] Please see Figure 6 In some embodiments, the top of the handbrake 5 has a clip 5a that engages with the first grip lever 4a / second grip lever 4b, and the first grip lever 4a / second grip lever 4b also have a protrusion 4ab that engages with the inlet of the clip 5a.

[0053] By utilizing the deformation of the clip 5a, the handbrake 5 can be easily installed and removed from the first grip lever 4a / second grip lever 4b. The insertion port of the clip 5a and the limiting position of the protrusion 4ab ensure that the handbrake 5 remains stable after installation on the first grip lever 4a / second grip lever 4b, and will not rotate relative to the first grip lever 4a / second grip lever 4b when gripped.

Claims

1. A type of earth drill, characterized in that, include: Mounting bracket (1) has two mounting rods (1a); The drive unit (2) is installed in the middle of the two mounting rods (1a); Drill bit (3), mounted on the output shaft of drive unit (2); Two sets of grip assemblies (4), one set is located at the first end of the two mounting rods (1a), and the other set is located at the second end of the two mounting rods (1a); The grip assembly (4) includes: a first grip (4a), two second grips (4b), and two sets of adjustment mechanisms (4c); Two second grips (4b) are respectively hinged to the two ends of the first grip (4a); two sets of adjustment mechanisms (4c) act on the two second grips (4b) respectively to adjust the angle between the corresponding second grip (4b) and the first grip (4a); the first grip (4a) is fixedly connected to the ends of the two mounting rods (1a) and can also rotate around its own axis to adjust its fixed position, so that the two second grips (4b) can switch between the outward-facing double-person use state and the inward-facing single-person use state.

2. The earth drill according to claim 1, characterized in that, The adjustment mechanism (4c) is a telescopic rod, with its two ends hinged to the second grip (4b) and the first grip (4a) respectively.

3. A ground drill according to claim 1, characterized in that, It also includes a handbrake (5), which can be detachably mounted on the first grip (4a) or the second grip (4b) in the same group.

4. A ground drill according to claim 3, characterized in that, The top of the handbrake (5) has a clip (5a) that engages with the first grip (4a) / second grip (4b); the first grip (4a) / second grip (4b) also has a protrusion (4ab) that engages with the inlet of the clip (5a).

5. A ground drill according to claim 1, characterized in that, When switching between dual-user and single-user modes, the first grip (4a) passes through an angle of 180 degrees; pins (7a) are provided between both ends of the first grip (4a) and the corresponding mounting rod (1a).

6. A ground drill according to claim 2, characterized in that, The telescopic rod includes a screw (4c1), a connector (4c2), and a threaded cylinder (4c3); the first end of the screw (4c1) is hinged to one of the first grip (4a) or the second grip (4b); the connector (4c2) is hinged to the other of the first grip (4a) or the second grip (4b); the first end of the threaded cylinder (4c3) is rotatably connected to the connector (4c2), and the second end is threadedly connected to the screw (4c1).

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