CN217421063U

CN217421063U - Simple drilling device

Info

Publication number: CN217421063U
Application number: CN202123254475.8U
Authority: CN
Inventors: 左彬彬; 陈青栋; 熊慧莹; 汪洋; 付鹏; 向满; 杨逸飞; 肖科; 谢正杰
Original assignee: China Gezhouba Group Ecological Environment Engineering Co ltd
Current assignee: China Gezhouba Group Ecological Environment Engineering Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-09-13
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a simple drilling device, which comprises a drill rod, wherein the lower end part of the drill rod is provided with a main drill bit, the lower end part of the drill rod, which is close to the main drill bit, is connected with an outer ring through a plurality of radial rods, the radial rods and the outer ring are respectively provided with a plurality of auxiliary drill bits, and a plurality of inclined support rods are arranged between the drill rod and the outer ring; the upper end part of the drill rod is detachably connected with an extension rod, and a force arm for driving the extension rod to rotate is further connected above the extension rod; the drill rod is also provided with a water injection assembly, the water outlet end of the water injection assembly is arranged downwards, and the water inlet end of the water injection assembly extends along the drill rod and/or the extension rod and is connected to an external water supply device; this simple and easy drilling equipment simple structure easily makes and assembles, can be used for drilling when construction such as tube well, need not just can drill out the well hole that needs through artificial mode with the help of large-scale drilling equipment and machine, and construction cost is lower.

Description

Simple drilling device

Technical Field

The utility model relates to tube well construction technical field, concretely relates to simple and easy drilling equipment.

Background

In the building construction process, a pipe well is usually drilled and dug, a lot of large-scale drilling equipment can be used for drilling, but for places which are limited on the ground and are not easy to reach by the large-scale equipment, drilling needs to be carried out manually; there are also places where the number of boreholes is not large. The area is small, the cost is high when large equipment is used for drilling, and manual operation for drilling can be selected; in order to reduce the labor amount of manual drilling, a simple drilling device needs to be designed, and manual operation is facilitated.

Chinese utility model patent (publication No. CN202578488U) discloses in 2012 a tubular well pore-forming device, which comprises a disc-shaped drill bit, a set of rod and a rotary rod, wherein the rotary rod drives the disc-shaped drill bit to drill, the structure is simple and the manual operation is easy, but the device is inconvenient for drilling a deeper tubular well.

Disclosure of Invention

The utility model aims at providing a simple and easy drilling equipment to the problem that prior art exists.

In order to achieve the purpose, the utility model adopts the technical proposal that:

a simple drilling device comprises a drill rod, wherein a main drill bit is arranged at the lower end part of the drill rod, close to the main drill bit, is connected with an outer ring through a plurality of radial spokes, a plurality of auxiliary drill bits are respectively arranged on the radial spokes and the outer ring, the length of the main drill bit is greater than that of the auxiliary drill bits, and a plurality of inclined support rods are arranged between the drill rod and the outer ring; the upper end part of the drill rod is detachably connected with a plurality of extension rods, and the upper part of each extension rod is also connected with a force arm for driving the extension rod to rotate; the drill rod is provided with a water injection assembly, the water outlet end of the water injection assembly is arranged downwards, and the water inlet end of the water injection assembly is connected to an external water supply device along the drill rod and/or the extension rod in an extending mode.

The simple drilling device is simple in structure, easy to manufacture and assemble, capable of being used for drilling during construction of pipe wells and the like, capable of drilling required well holes in an artificial mode without the aid of large drilling equipment and machines, suitable for drilling construction of places where large equipment cannot reach easily, and low in construction cost.

The drilling mode of the simple drilling device is as follows: the assembled device is placed in a pit, an operator sleeves and fixes the extension rod on the drill rod, the upper end of the extension rod extends out of the ground, the force arm is fixed with the extension rod, the operator enables the extension rod and the drill rod to rotate through pushing the force arm, so that a soil body is drilled back and forth in a rotary mode, clear water is injected through the water injection assembly, the clear water and the soil body are mixed into slurry, and the slurry is discharged from the hole and the pit. It makes the drill bit constantly sink to the design elevation to last the rotation, can also constantly increase at the in-process that descends the extension bar, it is one section promptly before the extension bar will get into in the hole, take off the arm of force is overlapped once more one section extension bar is established and is connected the arm of force continues rotatory drilling.

The main drill bit is arranged in the middle to play the roles of central positioning and main drilling, and the auxiliary drill bits can be used for turning up and scattering soil and mixing the soil with clear water to form slurry in the rotating process, so that the soil is conveniently pumped and discharged outwards; the outer ring and the radial spoke rods can be arranged to increase the drilling range, and the inclined supporting rods can improve the connection strength and stability of the drill rod and the outer ring, so that the drill rod can smoothly drive the outer ring to rotate synchronously when rotating.

The arrangement of the extension bar can increase the depth of drilling, and the force arm can play a labor-saving effect, so that an operator can drive the drill rod to rotate through the pushing force arm; the water injection assembly is arranged to inject water in real time in the drilling process, and the water supply device can be a water source, a water tank and the like provided with a water pump and can also be directly connected with a faucet.

Furthermore, the main drill bit, the drill rod, the extension rod and the outer ring are arranged on the same central axis.

Furthermore, the radial spokes are four in central symmetry, and a plurality of auxiliary drill bits are welded below each radial spoke; and a plurality of auxiliary drill bits are also welded on the periphery of the outer ring in a centrosymmetric manner.

The auxiliary drill bits on the radial spokes and the auxiliary drill bits on the outer ring are arranged in different directions, so that soil can be turned up, and the gaps among the radial spokes are convenient for the turned soil to move and are mixed with water to form slurry.

Furthermore, the auxiliary drill bit is a sheet metal plate, the main drill bit is provided with a tip part, the length of the tip part is larger than that of the auxiliary drill bit, and a plurality of side wing pieces are symmetrically arranged above the main drill bit.

The end part of the sheet metal plate can also be provided with a cutting edge, so that the soil body can be conveniently cut; the longer point of main drill bit can insert inside the soil body to let whole device rotatory around this department, a plurality of the setting of side fin can enough increase the intensity of main drill bit, also can be used for cutting the stirring soil body.

Furthermore, the upper end of drilling rod is equipped with square socket pipe, socket pipe is used for cup jointing the extension bar is fixed through the retaining member.

The square socket pipe is connected with the extension bar, so that the extension bar and the drill rod can be prevented from rotating relatively, and a good circumferential limiting effect is achieved; the retaining member can further fix both, the retaining member is pin, locking bolt, locking screw etc..

Further, the both ends of extension bar are the side's pipe setting, and the size of one end side's pipe is greater than the size of other end side's pipe, and such setting is convenient for cup joint between two adjacent extension bars, also further fastens through the retaining member simultaneously between the two.

The rod body of the extension rod is provided with a plurality of fixing pieces at intervals, and the fixing pieces are used for connecting the force arm. The arrangement of the plurality of fixing pieces is convenient for selecting a proper position according to the actual height to sleeve the force arm.

Further, the mounting is the lantern ring of welding on the body of rod of extension bar, the lantern ring sets up and sets up 90 degrees intervals in circumference in the interval in the axial.

The lantern ring is arranged to facilitate the pulling and inserting of the force arm, and meanwhile, a fulcrum can be formed, so that the force arm drives the extension rod to rotate under the fixation of the lantern ring.

Furthermore, the water injection assembly comprises a main pipeline and a branch pipeline connected with the main pipeline, the lower end part of the branch pipeline is fixedly connected with the radial spoke rods and does not exceed the lower end face of the radial spoke rods, the main pipeline is fixedly connected with the drill rod and/or the inclined support rod, the upper end part of the main pipeline is provided with a pipe joint, the pipe joint is used for connecting a water injection hose, and the water injection hose is connected to the water supply device.

Furthermore, the two branch pipelines are symmetrically arranged, and the two branch pipelines and the main pipeline form a Y-shaped structure. The branch pipelines can be filled with water from multiple positions, so that the slurry can be rapidly formed. The part of the water injection hose leading to the ground can be provided with a regulating valve so as to regulate the water injection amount.

Furthermore, the force arm is of a long rod structure, and the force arm is perpendicular to the extension rod, so that balanced force application is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the simple drilling device has a simple structure, is easy to manufacture and assemble, can be used for drilling during construction of pipe wells and the like, can drill required well holes in a manual mode without large-scale drilling equipment and machines, is suitable for drilling construction in places where large-scale equipment is difficult to reach, and has low construction cost; 2. the main drill bit is arranged in the middle to play the roles of central positioning and main drilling, and the auxiliary drill bits can be used for turning up and scattering soil and mixing the soil with clear water to form slurry in the rotating process, so that the soil is conveniently pumped and discharged outwards; the arrangement of the outer ring and the radial spoke rods can increase the range of drilling, and the arrangement of the inclined support rods can improve the connection strength and stability of the drill rod and the outer ring, so that the drill rod can smoothly drive the outer ring to synchronously rotate when rotating; 3. the arrangement of the extension bar can increase the depth of the drilled hole and can be spliced one by one; the arm of force can play laborsaving effect for operating personnel just can drive the drilling rod rotation through driving force arm, the setting of water injection subassembly can real-time water injection at drilling in-process.

Drawings

Fig. 1 is a schematic view of the overall structure of a simple drilling device of the present invention;

fig. 2 is a schematic bottom structure view of a simple drilling device of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a schematic view of the extension bar of the present invention;

fig. 5 is a schematic view illustrating drilling of a simple drilling device according to the present invention;

in the figure: 1. a drill stem; 2. a main drill bit; 3. a radial spoke; 4. an outer ring; 5. an auxiliary drill bit; 6. an inclined support rod; 7. a main pipeline; 8. a branch pipe; 9. a pipe interface; 10. a water injection hose; 11. a socket tube; 12. lengthening a rod; 13. a force arm; 14. a side flap panel; 15. a locking hole; 16. a collar; 17. and (4) square tubes.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 5, a simple drilling device comprises a drill rod 1, wherein a main drill bit 2 is arranged at the lower end of the drill rod 1, an outer ring 4 is connected to the lower end of the drill rod 1 close to the main drill bit 2 through a plurality of radial spokes 3, a plurality of auxiliary drill bits 5 are respectively arranged on the radial spokes 3 and the outer ring 4, and a plurality of inclined support rods 6 are arranged between the drill rod 1 and the outer ring 4; an extension bar 12 is detachably connected to the upper end of the drill rod 1, and a force arm 13 for driving the extension bar 12 to rotate is further connected above the extension bar 12; the drill rod 1 is further provided with a water injection assembly, the water outlet end of the water injection assembly is arranged downwards, and the water inlet end of the water injection assembly is arranged along the drill rod 1 and the extension rod 12 and is connected to an external water supply device in an extending mode.

This simple and easy drilling equipment simple structure easily makes and assembles, can be used for the drilling of construction such as tubular well, need not just can drill out the wellhole that needs through artificial mode with the help of large-scale drilling equipment and machine, is suitable for the drilling construction in the place that large-scale equipment is difficult for arriving, and construction cost is lower.

The main drill bit 2 is arranged in the middle of the main drill bit and plays a role in central positioning and main drilling, and the auxiliary drill bits 5 can be used for turning up and scattering soil and mixing the soil with clean water to form slurry in the rotating process, so that the slurry is conveniently pumped and discharged outwards; the outer ring 4 and the radial spoke rods 3 can be arranged to increase the drilling range, and the inclined supporting rods 6 can improve the connection strength and stability of the drill rod 1 and the outer ring 4, so that the drill rod 1 can smoothly drive the outer ring 4 to rotate synchronously when rotating.

The arrangement of the extension bar 12 can increase the drilling depth, and the force arm 13 can play a labor-saving effect, so that an operator can drive the drill rod 1 to rotate by pushing the force arm 13; the setting of water injection subassembly can real-time water injection at drilling in-process, water supply installation can be the water source, the water tank etc. that are provided with the water pump, also the lug connection tap.

Further, the main drill bit 2, the drill rod 1, the extension bar 12 and the outer ring 4 are arranged in a common central axis.

Further, the radial spokes 3 are four symmetrically arranged at the center, and two auxiliary drill bits 5 are welded below each radial spoke 3; six auxiliary drill bits 5 are welded on the periphery of the outer ring 4 in a centrosymmetric manner.

The auxiliary drill bits on the radial spokes 3 and the auxiliary drill bits on the outer ring 4 are arranged in different directions, so that soil can be turned up conveniently, and the distance between the radial spokes 3 is convenient for the turned-up soil to move and is mixed with water to form slurry.

Further, the auxiliary drill 5 is a sheet metal plate, the main drill 2 has a tip, the length of the tip is greater than that of the auxiliary drill 5, and a plurality of side wings 14 are symmetrically arranged above the main drill 2.

The end part of the sheet metal plate can also be provided with a cutting edge, so that a soil body can be conveniently cut; the longer point of main drill bit 2 can insert inside the soil body to let whole device revolve round this department, a plurality of the setting of side fin 14 can both increase main drill bit's intensity, also can be used for cutting the stirring soil body.

Further, the upper end of the drill rod 1 is provided with a square socket pipe 11, and the socket pipe 11 is used for being sleeved with the extension rod 12 and is fixed through a locking piece.

The square socket pipe 11 is connected with the extension bar 12, so that the relative rotation between the extension bar 12 and the drill rod 1 can be prevented, and a good circumferential limiting effect is achieved; the retaining member can further fix both, the retaining member is pin, locking bolt, locking screw etc..

Further, the both ends of extension bar 12 are the setting of square pipe 17, and the size of one end side pipe is greater than the size of other end side pipe, and such setting is convenient for cup joint between two adjacent extension bars 12, also further fastens through the retaining member between the two simultaneously. The socket pipe 11 and the square pipe 17 are provided with locking holes 15 for connecting the locking pieces.

A plurality of fixing pieces are arranged on the rod body of the extension rod 12 at intervals and are used for connecting the force arm 13. The arrangement of the plurality of fixing pieces is convenient for selecting a proper position according to the actual height to sleeve the force arm.

Further, the fixing piece is a collar 16 welded on the rod body of the extension rod 12, and a plurality of collars 16 are arranged at intervals in the axial direction and at intervals of 90 degrees in the circumferential direction.

The arrangement of the lantern ring 16 is convenient for the pulling and inserting of the force arm 13, and a fulcrum can be formed at the same time, so that the force arm 13 drives the extension bar 12 to rotate under the fixation of the lantern ring 16.

Further, the water injection assembly comprises a main pipeline 7 and a branch pipeline 8 connected with the main pipeline 7, the lower end portion of the branch pipeline 8 is fixedly connected with the radial spoke 3 and does not exceed the lower end face of the radial spoke 3, the main pipeline 7 is fixed with the drill rod and/or the inclined support rod in a binding mode, a pipe connector 9 is arranged at the upper end portion of the main pipeline 7, the pipe connector 9 is used for being connected with a water injection hose 10, and the water injection hose 10 is connected to the water supply device.

Furthermore, the branch pipelines 8 are symmetrically arranged, and the two branch pipelines 8 and the main pipeline 7 form a Y-shaped structure. The branch pipelines 8 can be filled with water from multiple positions, so that the slurry can be rapidly formed. The portion of the hose 10 leading to the ground may be provided with an adjusting valve to adjust the amount of water injected.

Furthermore, the force arm 13 is a long rod structure, and the force arm 13 is perpendicular to the extension rod 12, so that balanced force application is facilitated.

The drilling mode of the simple drilling device is as follows: the assembled device is placed in a pit, an operator sleeves and fixes the extension bar 12 in the socket pipe 11 on the drill rod 1 and locks the extension bar, the upper end of the extension bar 12 extends out of the ground, the force arm 13 is fixed with the extension bar 12, the operator pushes the force arm 13 to rotate the extension bar 12 and the drill rod 1, so that the main drill bit 2 and the auxiliary drill bit 5 drill a soil body back and forth in a rotary mode, clean water is injected through the water injection assembly, the clean water and the soil body are mixed into slurry, and the slurry is discharged from the hole and the pit. It makes the drill bit constantly sink to the design elevation to last the rotation, can also constantly increase at the in-process that descends extension bar 12, one section promptly before extension bar 12 will get into in the hole, take off arm of force 13 overlaps again and establishes one section extension bar 12 is connected arm of force 13 continues rotatory drilling. The drilling mode is very suitable for construction of areas which cannot be reached by large-scale equipment, and the problem of overhigh cost caused by using the large-scale equipment for drilling in a small area is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A simple drilling device comprises a drill rod and is characterized in that a main drill bit is arranged at the lower end of the drill rod, close to the main drill bit, is connected with an outer ring through a plurality of radial spokes, a plurality of auxiliary drill bits are arranged on the radial spokes and the outer ring respectively, the length of the main drill bit is larger than that of the auxiliary drill bits, and a plurality of inclined support rods are arranged between the drill rod and the outer ring; the upper end part of the drill rod is detachably connected with a plurality of extension rods, and the upper part of each extension rod is also connected with a force arm for driving the extension rod to rotate; the drill rod is also provided with a water injection assembly, the water outlet end of the water injection assembly is arranged downwards, and the water inlet end of the water injection assembly extends along the drill rod and/or the extension rod and is connected to an external water supply device; the auxiliary drill bit is a sheet metal plate, a cutting edge is arranged at the end part of the sheet metal plate, the main drill bit is provided with a tip part, the length of the tip part is greater than that of the auxiliary drill bit, and a plurality of side wing pieces are symmetrically arranged above the main drill bit.

2. The simple drilling device of claim 1, wherein the radial spokes are four symmetrically arranged centers, and a plurality of auxiliary drill bits are welded below each radial spoke; and a plurality of auxiliary drill bits are also welded on the periphery of the outer ring in a centrosymmetric manner.

3. The simple drilling device as claimed in claim 1, wherein the upper end of the drill rod is provided with a square socket pipe, and the socket pipe is used for sleeving the extension rod and is fixed through a locking piece.

4. The simple drilling device as claimed in claim 1, wherein the extension bar has square tubes at both ends, the square tube at one end has a size larger than that of the square tube at the other end, and a plurality of fixing members are spaced from each other on the bar body of the extension bar and are used for connecting the force arms.

5. The easy drilling device of claim 4, wherein the fixing member is a collar welded to the rod body of the extension rod, and the collar is spaced apart in the axial direction and spaced apart by 90 degrees in the circumferential direction.

6. The simple drilling device as claimed in claim 1, wherein the water injection assembly comprises a main pipeline and a branch pipeline connected with the main pipeline, the lower end of the branch pipeline is fixedly connected with the radial spokes and does not exceed the lower end faces of the radial spokes, the main pipeline is fixedly connected with the drill rod and/or the inclined support rods, the upper end of the main pipeline is provided with a pipe joint for connecting a water injection hose, and the water injection hose is connected to the water supply device.

7. The simple drilling device as claimed in claim 6, wherein the branch pipes are symmetrically arranged, and the two branch pipes and the main pipe form a Y-shaped structure.

8. The easy drilling device as claimed in claim 1, wherein the force arm is a long rod structure, and the force arm is vertically arranged with the extension rod.