Telescopic spiral drilling machine

Abstract

The utility model provides a telescopic spiral drilling machine which comprises a working module, and the working module comprises a multi-stage telescopic pipe which comprises a plurality of hollow pipes which are sequentially arranged in a nested mode; the multi-stage telescopic oil cylinder is located in a hollow hole of the hollow pipe, the end of a cylinder rod of the multi-stage telescopic oil cylinder is connected with a last-stage hollow pipe of the multi-stage telescopic pipe, and a cylinder body of the multi-stage telescopic oil cylinder is connected with a first-stage hollow pipe of the multi-stage telescopic pipe, so that the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder stretch out and draw back synchronously; the rotation driving part is located at the end, away from the first-stage hollow pipe, of the last-stage hollow pipe, and the rotation driving part is fixedly connected with the last-stage hollow pipe; the spiral drill bit is located at the end, away from the final-stage hollow pipe, of the rotary driving part, and the spiral drill bit is fixedly connected with the output end of the rotary driving part; the fixing support is used for being supported on the ground, and the fixing support is connected with the first-stage hollow pipe of the multi-stage telescopic pipe. The drilling depth of the drilling machine can be increased, and the structure of the drilling machine can be more compact.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering drilling technology field especially relates to a telescopic spiral drill machine. BACKGROUND

[0002] The origin of spiral drill machine can be traced back to the earlier period, initially mainly used in open coal mine blast hole drilling; in the late 1950s, it began to be widely used in the field of engineering drilling, at that time, mainly to meet the needs of blasting operation in the process of coal mining, through drilling appropriate holes in the coal seam to load explosives for blasting, so as to realize the mining of coal. With the continuous development of industrial technology, since the 1970s, the equipment and technology of spiral drilling have made great progress; in order to adapt to different construction environment and demand, many different types of spiral drill machine and spiral drilling tool have been produced, such as different drill bit design for soil layer and rock layer; at the same time, new drilling technologies such as vibration spiral, impact spiral, casing spiral and air spiral drilling have been researched, which greatly improves the efficiency of spiral drilling and makes it better to cope with various complex geological conditions.

[0003] Specifically, in the field of construction, spiral drill machine plays an important role; with the acceleration of urbanization process and the continuous advancement of infrastructure construction, a large number of buildings, bridges, roads and other projects need to be constructed; spiral drill machine can be used for piling, bored pile and other operations, which can quickly and efficiently drill holes to provide protection for building infrastructure and meet the needs of building industry for efficient and high-quality foundation construction; for example, in the construction of urban high-rise buildings, spiral drill is widely used in foundation drilling operation to ensure the stability of buildings. For example, in the mining industry, spiral drill machine also has a wide range of applications; with the increasing demand for mineral resources, the scale and depth of mining are expanding; spiral drill machine can be used in gas control engineering in mine construction, such as replacing roadway with hole in coal seam and conducting pipeline hole construction, and can also be used in tunneling, mineral exploration and other operations to help mining personnel better understand the distribution of underground mineral resources and improve mining efficiency and safety. In addition to construction and mining industry, spiral drill machine is gradually increasing in other fields; such as in municipal engineering, it can be used in underground pipeline laying, cable trench digging and other operations; in railway and highway construction, it can be used in roadbed reinforcement, bridge foundation construction and other fields; in water conservancy and dam, ocean embankment seepage control engineering, it can also play an important role in drilling and grouting construction. With the increasing demand for spiral drill machine in various industries, the global spiral drill machine market size presents a steady growth trend.

[0004] With the development of various industries, higher requirements are put forward for the drilling depth of the drilling rig at present, and the overall structural size of the existing drilling rig capable of drilling a relatively deep depth is generally large; and for the drilling rig with small structural size, it generally can only meet the drilling requirements of small depth; that is, the drilling rig of the prior art can realize drilling in different fields, but the drilling depth and structural compactness cannot be realized at the same time. Therefore, how to make the structure of the drilling rig more compact under the premise of improving the drilling depth of the drilling rig is a technical problem to be solved. Practical new type content

[0005] Therefore, the utility model embodiment provides a telescopic auger drill to eliminate or improve one or more defects in the prior art.

[0006] One aspect of the utility model provides a telescopic auger drill, the drill includes a working module, the working module includes:

[0007] Multi-stage telescopic pipe, including a plurality of hollow pipes, a plurality of the hollow pipes are sequentially nested;

[0008] Multi-stage telescopic oil cylinder is located in the hollow hole of the hollow pipe, the cylinder rod end of the multi-stage telescopic oil cylinder is connected with the last-stage hollow pipe of the multi-stage telescopic pipe, the cylinder body of the multi-stage telescopic oil cylinder is connected with the first-stage hollow pipe of the multi-stage telescopic pipe, so that the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder are synchronous telescopic;

[0009] Rotary drive component is located at the end of the last-stage hollow pipe away from the first-stage hollow pipe, and the rotary drive component is fixedly connected with the last-stage hollow pipe;

[0010] Auger bit is located at the end of the rotary drive component away from the last-stage hollow pipe, and the auger bit is fixedly connected with the output end of the rotary drive component;

[0011] Fixed support is used to support on the ground, and the fixed support is connected with the first-stage hollow pipe of the multi-stage telescopic pipe.

[0012] In some embodiments of the utility model, the fixed support is a tripod, the tripod includes three legs and an end plate, the first ends of the three legs are all connected with the end plate, the central position of the end plate has a slot hole for the first-stage hollow pipe to pass through, and the second ends of the three legs are all used to abut against the ground.

[0013] In some embodiments of the utility model, the three legs are spaced and uniformly arranged along the outer periphery of the slot hole, and the three legs gradually expand outward in the axial direction of the multi-stage telescopic pipe.

[0014] In some embodiments of the utility model, the hollow tube is square hollow tube, the rotary drive part is rotary motor.

[0015] In some embodiments of the utility model, the telescopic auger drill further includes a transport module, the transport module includes a trundle and a frame, the trundle is arranged at the bottom end of the frame, and the frame is connected with the working module.

[0016] In some embodiments of the utility model, the frame and the fixed support of the working module are detachably connected.

[0017] In some embodiments of the utility model, the frame and the fixed support are hingedly connected, and the working module is rotatable relative to the transport module, so that the working module can be in a horizontal state or a vertical state.

[0018] In some embodiments of the utility model, the transport module includes a jacking oil cylinder, the cylinder body of the jacking oil cylinder is fixed on the frame, the fixed support and the top of the frame and the cylinder rod end of the jacking oil cylinder are all hingedly connected, and the working module can be rotated from the horizontal state to the vertical state under the jacking action of the jacking oil cylinder.

[0019] In some embodiments of the utility model, the tripod includes a middle plate, the middle plate is spaced apart and parallel to the end plate, the middle plate is connected with the three legs, and the middle plate is located at the middle part of the leg, and the middle plate is hingedly connected with the top of the frame.

[0020] In some embodiments of the utility model, the telescopic auger drill further includes a power module, and the rotary drive part and the multi-stage telescopic oil cylinder are connected with the power module.

[0021] The telescopic auger drill disclosed in the above embodiments of the utility model has the working module including the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder, and the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder are synchronously telescoped, which not only enables the drill to complete the drilling work of a deeper hole based on the cooperation of the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder, but also ensures the working stability of the drill and reduces the structural size of the drill, so that the structure of the drill is more compact.

[0022] In addition, the telescopic auger drill based on the cooperation of the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder can also shorten the time consumption of drilling and improve the drilling efficiency.

[0023] In addition to the above, the telescopic auger drill is convenient to transport, easy to assemble and use, and the multi-stage telescopic oil cylinder enhances the drilling capacity through pressurization when drilling vertically, which not only enables the drill to efficiently complete the drilling in a harder stratum, but also can be widely applied in the fields of electric power, municipal engineering, building construction and the like.

[0024] The additional advantages, objects, and features of the present application will be apparent from the following description, and will be partially set forth in the detailed description, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0025] It will be understood by those skilled in the art that the objects and advantages of the present application can be realized and attained by the means set forth in the following detailed description, and that the objects and other advantages of the present application can be realized and attained by the means set forth in the following detailed description, and that the objects and other advantages of the present application can be realized and attained by the means set forth in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and together with the description, serve to explain the principles of the present application. The components in the drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the present application. For purposes of clarity and understanding, it is also to be understood that certain portions of the drawings can be exaggerated and others omitted in order to more clearly disclose the aspects of the present application. In the drawings:

[0027] Figure 1 FIG. 1 is a structural schematic diagram of a working module of a telescopic auger drill according to an embodiment of the present application.

[0028] Figure 2 FIG. 2 is a top view of the working module shown in FIG. 1. Figure 1

[0029] Figure 3 FIG. 3 is a structural schematic diagram of an overall structure of a telescopic auger drill according to an embodiment of the present application.

[0030] Figure 4 FIG. 4 is a front view of the telescopic auger drill shown in FIG. 3. Figure 3

[0031] Figure 5 FIG. 5 is a side view of the telescopic auger drill shown in FIG. 3. Figure 3

[0032] Figure 6 FIG. 6 is a top view of the telescopic auger drill shown in FIG. 3. Figure 3

[0033] FIG. 7 is a structural schematic diagram of a power module of a telescopic auger drill according to an embodiment of the present application. Figure 7 REFERENCE NUMERALS:

[0034]

[0035] ​​​​First-stage hollow pipe 111 Second-stage hollow pipe 112 Third-stage hollow pipe 113 Fourth-stage hollow pipe 114 Final-stage hollow pipe 115 Multi-stage telescopic oil cylinder 120 Spiral drill bit 130 Leg 141 End plate 142 Middle plate 143 Rotating driving component 150 Caster 210 Frame 220 Jacking oil cylinder 230 Pin 240 Power module 310 Power source 311 Fuel tank 312 DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the utility model will be further described in detail below in combination with embodiments and drawings. Herein, the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, but not as a limitation on the utility model.

[0037] Herein, it also needs to be explained that, in order to avoid the utility model being obscured by unnecessary details, only the structures and / or processing steps closely related to the scheme according to the utility model are shown in the drawings, and other details not closely related to the utility model are omitted.

[0038] It should be emphasized that the term "comprises / comprising" is used herein to indicate the presence of a feature, element, step or component, but not to exclude the presence or addition of one or more other features, elements, steps or components.

[0039] Herein, it also needs to be explained that the orientation terms such as "left end", "right end" and the like appearing in the content of the specification are relative to the position direction shown in the drawings; if not specially stated, the term "connection" herein can not only mean direct connection, but also mean indirect connection with the presence of an intermediate. Direct connection is the connection between two parts without the aid of intermediate parts, and indirect connection is the connection between two parts with the aid of other parts.

[0040] In the following, the embodiments of the utility model will be described with reference to the drawings. In the drawings, the same reference signs represent the same or similar parts.

[0041] Figure 1 The structural schematic view of the working module of the telescopic spiral drilling machine of an embodiment of the utility model, the working module shown in the structural schematic view is a working state schematic view of the telescopic spiral drilling machine, as shown in Figure 1 The working module at least includes a multi-stage telescopic pipe, a multi-stage telescopic oil cylinder, a rotating driving component, a spiral drill bit and a fixed support.

[0042] The multi-stage telescopic pipe comprises a plurality of hollow pipes which are nested in sequence; a multi-stage telescopic oil cylinder 120 is located in the hollow hole of the hollow pipes, the cylinder rod end of the multi-stage telescopic oil cylinder 120 is connected with the last-stage hollow pipe 115 of the multi-stage telescopic pipe, and the cylinder body of the multi-stage telescopic oil cylinder 120 is connected with the first-stage hollow pipe 111 of the multi-stage telescopic pipe, so that the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder 120 are synchronously telescoped; a rotary driving part 150 is located at the end of the last-stage hollow pipe 115 away from the first-stage hollow pipe 111, and the rotary driving part 150 is fixedly connected with the last-stage hollow pipe 115; a spiral drill bit 130 is located at the end of the rotary driving part 150 away from the last-stage hollow pipe 115, and the spiral drill bit 130 is fixedly connected with the output end of the rotary driving part 150; a fixed support is used for supporting on the ground, and the fixed support is connected with the first-stage hollow pipe 111 of the multi-stage telescopic pipe.

[0043] As shown in Figure 2 , the number of hollow pipes can be five, at this time, the five hollow pipes are nested in sequence, that is, when the multi-stage hollow pipe is in the retracted state, the second-stage hollow pipe 112 is retracted into the center hole of the first-stage hollow pipe 111, the third-stage hollow pipe 113 is retracted into the center hole of the second-stage hollow pipe 112, the fourth-stage hollow pipe 114 is retracted into the center hole of the third-stage hollow pipe 113, and the last-stage hollow pipe 115 is retracted into the center hole of the fourth-stage hollow pipe 114. Among them, the first-stage hollow pipe 111 and the last-stage hollow pipe 115 can be understood as the topmost hollow pipe and the bottommost hollow pipe respectively as shown in Figure 1 . Exemplarily, the five hollow pipes can all be square hollow pipes. It can be understood that the number of hollow pipes contained in the multi-stage telescopic pipe can be other than five, and can be set based on the drilling depth requirement; and the shape of the hollow pipe can be other than square, and can be circular, rectangular, etc.

[0044] In addition, the multi-stage telescopic oil cylinder 120 is located in the hollow hole of the hollow pipe, and the cylinder body of the multi-stage telescopic oil cylinder 120 is fixed with the first-stage hollow pipe 111, and the cylinder rod end of the multi-stage telescopic oil cylinder 120 is fixed with the last-stage hollow pipe 115, that is, the multi-stage hollow pipe is synchronously extended or retracted with the multi-stage cylinder rod of the multi-stage telescopic oil cylinder 120. As shown in Figure 1As shown, the rotary driving component 150 is specifically located at the bottom end of the last-stage hollow pipe 115, the auger bit 130 is located at the bottom of the rotary driving component 150, and the auger bit 130 is fixedly connected with the output shaft of the rotary driving component 150. For example, the rotary driving component 150 can be a rotary motor, and in this embodiment, the auger bit 130 is driven to rotate based on the rotary driving component 150, and is driven to drill based on the telescopic movement of the multi-stage telescopic oil cylinder 120, thereby meeting the drilling requirements of different depths, and the drilling machine with this structure can extend and retract the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder 120, thereby further reducing the structural size of the whole machine, making the drilling machine structure more compact, thereby facilitating transportation.

[0045] In addition, from Figure 1 It can be seen that the fixed support is used to support the multi-stage telescopic pipe, the multi-stage telescopic oil cylinder 120, the auger bit 130 and the rotary driving component 150, that is, the top end of the fixed support is connected with the first-stage hollow pipe of the multi-stage telescopic pipe to ensure that the first-stage hollow pipe 111 is stable during the telescopic movement.

[0046] In an embodiment, the fixed support is a tripod, which includes three legs 141 and an end plate 142, the first ends of the three legs 141 are connected with the end plate 142, the center of the end plate 142 has a slot hole for the first-stage hollow pipe 111 to pass through, and the second ends of the three legs 141 are used to abut against the ground. As Figure 1 and Figure 2 As shown, the first-stage hollow pipe 111 extends from the top of the end plate 142 to the bottom of the end plate 142, and the first-stage hollow pipe 111 is fixedly connected with the end plate 142. It can be understood that the tripod is used as the fixed support in this embodiment is only an example, and in other embodiments, the number of legs 141 of the fixed support can be four or more, as long as the stability is ensured.

[0047] Further, the three legs 141 are spaced and uniformly arranged along the outer periphery of the slot hole, and the three legs 141 gradually expand outward in the axial direction of the multi-stage telescopic pipe. Referring to Figure 2 , the end plate 142 is specifically a triangular plate, and at this time, the three legs 141 are located at the three corner positions of the end plate 142. In addition, each leg 141 can specifically include a first segment and a second segment, and the first segment and the second segment can be detachably connected, and in the non-working state of the telescopic auger drill, the second segment can be retracted into the first segment.

[0048] In some embodiments of the utility model, telescopic spiral drilling machine still includes the module of shipping, the module of shipping includes trundle 210 and frame 220, trundle 210 sets up in the bottom of frame 220, frame 220 with the module of working connection. Figure 3 It is the overall structure schematic diagram of telescopic spiral drilling machine of another embodiment of the utility model, Figure 4 It is Figure 3 The elevational view of telescopic spiral drilling machine as shown, Figure 3 And Figure 4 The module of working of telescopic spiral drilling machine and the frame 220 of module of shipping fixed connection, in order to facilitate its shipping. Specifically, the frame 220 of module of shipping can be detachably connected with the fixed support of module of working, this embodiment sets the frame 220 of module of shipping as detachably connected with the fixed support of module of working, then can conveniently dismount module of working and module of shipping, for example, when module of working needs to work, then module of shipping is disassembled from module of working, and when module of working is in non-working state and needs to be shipped, then module of working and module of shipping are assembled.

[0049] Further, the frame 220 is hingedly connected with the fixed support of the module of working, and the module of working is rotatable relative to the module of shipping, so that the module of working can be in a horizontal state or a vertical state. Figure 3 、 Figure 4 、 Figure 5 And Figure 6 In the telescopic spiral drilling machine as shown, the module of working is in a horizontal state, and the module of working can realize transverse drilling or shipping in this state; and in the telescopic spiral drilling machine as shown in Figure 1 And Figure 2 The module of working is in a vertical state, and the module of shipping has been disassembled at this time. In this embodiment, the module of working and the module of shipping are hingedly connected, so that the module of working can rotate relative to the module of shipping, so that the module of working can be kept in a horizontal state or a vertical state.

[0050] Optionally, the rotation of the module of working can be driven based on the jacking oil cylinder 230, that is, the module of shipping can include the jacking oil cylinder 230, the cylinder body of the jacking oil cylinder 230 is fixed on the frame 220, the fixed support and the top of the frame 220, and the cylinder rod end of the jacking oil cylinder 230 are hingedly connected, and under the jacking action of the jacking oil cylinder 230, the module of working can rotate from a horizontal state to a vertical state. As Figure 4 And Figure 5As shown, the bottom end of the cylinder body of the jacking oil cylinder 230 is fixed at the bottom of the frame 220, and the top end of the cylinder rod of the jacking oil cylinder 230 is hingedly connected with the fixed support of the working module through the pin shaft 240, and the top end of the frame 220 is also hingedly connected with the fixed support of the working module through the pin shaft 240. In this embodiment, the working module can rotate around the pin shaft 240 between the working module and the frame 220 as the cylinder rod of the jacking oil cylinder 230 extends, and when the working module rotates from the horizontal state to the vertical state, the pin shaft 240 can be further detached, the working module is separated from the transport module, so that the working module works in the vertical state.

[0051] Further, the tripod includes a middle plate 143 which is spaced apart from and parallel to the end plate 142, the middle plate 143 is connected with the three legs 141, and the middle plate 143 is located at the middle of the legs 141 and is hingedly connected with the top of the frame 220. Figure 5 As shown, the top end of the frame 220 and the middle plate 143 of the fixed support are hingedly connected through the pin shaft 240, and the end of the cylinder rod of the jacking oil cylinder 230 and the end plate 142 of the fixed support are hingedly connected through the pin shaft 240.

[0052] In a specific embodiment, the stroke of the multi-stage telescopic oil cylinder 120 can be 0-6500mm, the input pressure can be 28MPa, the multi-stage telescopic pipe is composed of five square arms, and the longest telescopic stroke is 6.5m. When the transport module reaches the working area, the foot wheel 210 can be finely adjusted to accurately point; the jacking oil cylinder 230 extends to rotate the working module from the horizontal state to the vertical state, the jacking oil cylinder 230 retracts to rotate the working module from the vertical state to the horizontal state; and the three legs 141 of the fixed support of the working module can be additionally provided with leg extension parts to adjust the height of the fixed support. In addition, in order to ensure the working stability of the working module, a counterweight can be further provided on the fixed support to ensure the supporting stability of the fixed support, and an anchor rod can be additionally provided at the connection between the leg 141 and the ground to avoid the shaking or rotation of the fixed support due to the reaction force of the drill bit of the spiral drill when the multi-stage telescopic oil cylinder 120 is pressurized.

[0053] In some embodiments of the utility model, the telescopic spiral drill rig further includes a power module 310, and the rotating driving part and the multi-stage telescopic oil cylinder are connected with the power module 310. As shown in the figure, Figure 7 As shown, the power module 310 specifically can include a power source 311 and an oil tank 312, and the power module 310 is specifically connected with the rotating driving part and the multi-stage telescopic oil cylinder to realize the rotation of the rotating driving part and the telescoping of the multi-stage telescopic oil cylinder. In this embodiment, the rotating motor and the multi-stage telescopic oil cylinder are provided with hydraulic power through the power module 310 to realize the rotation and telescoping of the drill bit, thereby efficiently completing the drilling.

[0054] In the above embodiment, the working module and the carrying module of the telescopic auger are designed in a split type, facilitating transportation and flexible assembly, and the telescopic auger with the structure has small volume and light weight, can be lifted by a drone to a mountainous area and an area where a vehicle cannot reach, thereby being widely applicable. The drill bit adopts a spiral drill bit, i.e., the spiral blades enable the drill rod to cut and discharge the soil layer along the blade direction when rotating, thereby forming a circular hole; the structure not only improves the drilling efficiency, but also reduces the resistance and makes the drilling more smooth. In addition, the multi-stage square hollow pipe also plays a certain guiding role on the spiral drill bit, i.e., ensures that the spiral drill bit drills in the correct direction, avoids deviation or deviation from the predetermined trajectory, thereby ensuring the stability of the drilling process; in addition, the drilling of the spiral drill bit is driven by a hydraulic system, which further improves the stability and accuracy of the drilling. In addition to the above, the telescopic auger of the present application is applicable to various geologies, including soil layer, rock layer and drilling operation in special environment, etc.

[0055] In the present application, the features described and / or illustrated for one embodiment can be used in the same way or in an analogous way in one or more other embodiments, and / or in combination with or instead of the features of the other embodiments.

[0056] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the embodiments of the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A telescopic auger drill, characterized in that The drilling machine comprises a working module, which comprises: a multi-stage telescopic pipe comprising a plurality of hollow pipes, the plurality of hollow pipes being arranged in a nested manner; a multi-stage telescopic oil cylinder located in the hollow hole of the hollow pipe, a cylinder rod end of the multi-stage telescopic oil cylinder being connected with a last-stage hollow pipe of the multi-stage telescopic pipe, and a cylinder body of the multi-stage telescopic oil cylinder being connected with a first-stage hollow pipe of the multi-stage telescopic pipe, so that the multi-stage telescopic pipe and the multi-stage telescopic oil cylinder are synchronously telescoped; a rotary driving component located at an end of the last-stage hollow pipe away from the first-stage hollow pipe, and the rotary driving component being fixedly connected with the last-stage hollow pipe; a screw drill bit located at an end of the rotary driving component away from the last-stage hollow pipe, and the screw drill bit being fixedly connected with an output end of the rotary driving component; a fixed support for being supported on the ground, and the fixed support being connected with the first-stage hollow pipe of the multi-stage telescopic pipe.

2. An extendable auger drill according to claim 1, characterized in that The fixed support is a tripod, the tripod comprising three supporting legs and an end plate, first ends of the three supporting legs being connected with the end plate, the end plate having a slot hole in a central position for the first-stage hollow pipe to pass through, and second ends of the three supporting legs being used for abutting against the ground.

3. An auger flight extensible drill according to claim 2, wherein, The three supporting legs are arranged in a spaced and uniform manner along an outer periphery of the slot hole, and the three supporting legs are gradually expanded outward in an axial direction of the multi-stage telescopic pipe.

4. An auger flight according to claim 1, wherein, The hollow pipes are square hollow pipes, and the rotary driving component is a rotary motor.

5. An auger flight according to claim 3, wherein, The telescopic screw drilling machine further comprises a transportation module, the transportation module comprising casters and a vehicle frame, the casters being arranged at a bottom end of the vehicle frame, and the vehicle frame being connected with the working module.

6. An auger flight according to claim 5, wherein, The vehicle frame and the fixed support of the working module are detachably connected.

7. An auger flight according to claim 6, wherein, The vehicle frame and the fixed support are hingedly connected, and the working module is rotatable relative to the transportation module, so that the working module can be in a horizontal state or a vertical state.

8. An auger flight according to claim 7, wherein, The transportation module comprises a jacking oil cylinder, a cylinder body of the jacking oil cylinder being fixed on the vehicle frame, the fixed support and a cylinder rod end of the jacking oil cylinder being hingedly connected with a top of the vehicle frame, and the working module being rotatable from the horizontal state to the vertical state under the jacking action of the jacking oil cylinder.

9. An auger flight according to claim 8, wherein, The tripod comprises a middle plate, the middle plate being spaced and parallel with the end plate, the middle plate being connected with the three supporting legs, and the middle plate being located at a middle part of the supporting legs, the middle plate being hingedly connected with a top of the vehicle frame.

10. An auger flight according to any one of claims 1 to 9, wherein, The telescopic screw drilling machine further comprises a power module, the rotary driving component and the multi-stage telescopic oil cylinder being connected with the power module.

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