Equipment capable of achieving drilling and grouting in pipeline

Abstract

The utility model relates to the technical field of pipeline processing, in particular to equipment capable of drilling and grouting in a pipeline, which comprises a drilling motor, a grouting pipe is coaxially connected to the top of the drilling motor, and a hollow drilling shaft is mounted at the center of the drilling motor; a U-shaped handheld ring seat is mounted on the top surface of the drilling motor; a sealing bearing is arranged at the bottom of the grouting pipe, and the outer ring diameter of the sealing bearing is matched with the inner diameter of the hollow drilling shaft. Through cooperation of the hollow drilling shaft, the grouting pipe and the detachable drill bit, direct grouting after pipeline drilling can be achieved, time is saved, operation is convenient, close fit between the grouting pipe and the hollow drilling shaft can be guaranteed through the sealing bearing arranged at the bottom of the grouting pipe, the grout leakage phenomenon in the grouting process is prevented, and the grouting efficiency is improved. The detachable drill bit is installed at the bottom of the hollow drilling shaft, the drill bit can be replaced conveniently, and different drilling requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline processing, in particular to a device which can realize drilling and grouting inside a pipeline. Background Art

[0002] Pipeline grouting is to inject slurry into the pipeline to achieve the purpose of anti-seepage, reinforcement and protection. The composition and specific conditions of use of the slurry depend on the actual situation, and may include chemical slurry or cement mortar. This method is suitable for various pipelines, especially large pipelines, and can improve the stability of the surrounding strata, enhance the bearing capacity of the foundation, and form a waterproof curtain. When drilling and grouting inside the pipeline, it is necessary to first drill a hole with a drilling machine, and then insert a grouting pipe for grouting. The operation is carried out in multiple steps, which increases the amount of operation. Utility Model Content

[0003] The utility model aims to provide a device that can realize the internal drilling and grouting of pipelines, so as to solve the problem proposed in the above background technology that the internal drilling and grouting of pipelines needs to be firstly drilled by a drilling machine, and then a grouting pipe is inserted for grouting, which is performed in multiple steps and increases the amount of operations.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A device capable of drilling and grouting inside a pipeline, comprising a drilling motor, a grouting pipe being coaxially connected to the top of the drilling motor, and a hollow drilling shaft being installed at the center of the drilling motor;

[0006] A U-shaped hand-held ring seat is installed on the top surface of the drilling motor;

[0007] A sealed bearing is provided at the bottom of the grouting pipe, the outer ring diameter of the sealed bearing is matched with the inner diameter of the hollow drilling shaft, the inner ring diameter of the sealed bearing is matched with the outer diameter of the grouting pipe, the top of the grouting pipe is a sealing structure and a slurry inlet hole connected to an external slurry delivery pipe is opened on the outer wall;

[0008] A detachable drill bit is installed at the bottom of the hollow drilling shaft, and a plurality of slurry outlet holes which are evenly and equidistantly arranged in a ring shape are opened at the bottom of the outer wall of the hollow drilling shaft.

[0009] Preferably, a plurality of heat dissipation fins arranged evenly and equidistantly in a ring shape are mounted on the outer wall of the drilling motor.

[0010] Preferably, an anti-slip sleeve is provided on the outer wall of the handheld ring seat, and anti-slip protrusions are provided on the surface of the anti-slip sleeve.

[0011] Preferably, a grouting channel is opened in the hollow drilling shaft, and the detachable drill bit is coaxially connected with a plug connector that is adapted to the inner diameter size of the grouting channel and is plug-matched.

[0012] Preferably, the plug connector is connected to the bottom of the hollow drilling shaft via a locking bolt, and the nut of the locking bolt is embedded in the outer wall of the hollow drilling shaft.

[0013] Preferably, the height of the slurry outlet hole is higher than the top height of the plug connector.

[0014] Preferably, the top diameter of the detachable drill bit is matched with the outer diameter of the hollow drilling shaft.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the equipment for realizing internal drilling and grouting of pipelines, the hollow drilling shaft, the grouting pipe and the detachable drill bit are provided, so that grouting can be directly carried out after the pipeline is drilled, which saves time and is convenient to operate. By providing a sealed bearing at the bottom of the grouting pipe, a close fit between the grouting pipe and the hollow drilling shaft can be ensured to prevent leakage during the grouting process. By installing a detachable drill bit at the bottom of the hollow drilling shaft, the drill bit can be easily replaced to meet different drilling requirements.

[0017] 2. In the device for realizing internal drilling and grouting of pipelines, a plurality of heat dissipation fins evenly and equidistantly arranged in a ring are installed on the outer wall of the drilling motor, which can increase the heat dissipation area of ​​the equipment, improve the heat dissipation effect, prevent the equipment from overheating, and improve the stability and service life of the equipment.

[0018] 3. In the device for realizing internal drilling and grouting of pipelines, a grouting channel is provided in the hollow drilling shaft, and a detachable drill bit is coaxially connected with a plug connector which is compatible with the inner diameter of the grouting channel and is plug-matched, so that the drill bit can be conveniently connected and replaced to meet different drilling requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, further detailed explanation is provided, but the accompanying drawings do not constitute a limitation to the present invention.

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the hollow drilling shaft of the utility model.

[0023] The meaning of the symbols in the figure:

[0024] 10. Drilling motor; 11. Heat dissipation fins; 12. Hand-held ring seat;

[0025] 20. Grouting pipe; 21. Sealed bearing; 22. Grout inlet hole;

[0026] 30. Hollow drilling shaft; 31. Removable drill bit; 32. Locking bolt; 33. Grouting hole; 34. Grouting channel; 35. Plug connector. DETAILED DESCRIPTION

[0027] The following will combine the embodiments of the utility model and the drawings of the specification 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 of 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.

[0028] In the description of the present invention, it should be understood that the terms "center", "vertical", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] A device that can be used to drill holes and inject grout into pipes, such as Figure 1-Figure 3As shown, it includes a drilling motor 10, the top of the drilling motor 10 is coaxially connected to a grouting pipe 20, and a hollow drilling shaft 30 is installed at the center of the drilling motor 10; a U-shaped hand-held ring seat 12 is installed on the top surface of the drilling motor 10; a sealed bearing 21 is arranged at the bottom of the grouting pipe 20, the outer ring diameter of the sealed bearing 21 is adapted to the inner diameter of the hollow drilling shaft 30, the inner ring diameter of the sealed bearing 21 is adapted to the outer diameter of the grouting pipe 20, the top of the grouting pipe 20 is a sealing structure, and a slurry inlet hole 22 connected to an external slurry pipe is opened on the outer wall; the bottom of the hollow drilling shaft 30 is installed A detachable drill bit 31 is provided, and a plurality of slurry outlet holes 33 which are evenly and equidistantly arranged in a ring are provided at the bottom of the outer wall of the hollow drilling shaft 30. By cooperating with the hollow drilling shaft 30, the grouting pipe 20 and the detachable drill bit 31, grouting can be directly performed after the pipeline is drilled, which saves time and is convenient to operate. By arranging a sealed bearing 21 at the bottom of the grouting pipe 20, a close fit between the grouting pipe and the hollow drilling shaft can be ensured to prevent leakage during the grouting process. By installing the detachable drill bit 31 at the bottom of the hollow drilling shaft 30, the drill bit can be easily replaced to meet different drilling requirements.

[0030] Furthermore, a plurality of heat dissipation fins 11 evenly and equidistantly arranged in a ring are installed on the outer wall of the drilling motor 10, which can increase the heat dissipation area of ​​the equipment, improve the heat dissipation effect, prevent the equipment from overheating, and improve the stability and service life of the equipment.

[0031] It is worth noting that an anti-skid cover is provided on the outer wall of the hand-held ring seat 12, and anti-skid protrusions are provided on the surface of the anti-skid cover, which can increase the friction of the hand-held hand, prevent the device from slipping, and improve the safety and stability of the operation.

[0032] Specifically, a grouting channel 34 is opened in the hollow drilling shaft 30, and the detachable drill bit 31 is coaxially connected with a plug connector 35 that is compatible with the inner diameter size of the grouting channel 34 and plug-fits therewith, so that the drill bit can be easily connected and replaced to meet different drilling requirements.

[0033] The plug connector 35 is connected to the bottom of the hollow drilling shaft 30 through a locking bolt 32, and the nut of the locking bolt 32 is embedded in the outer wall of the hollow drilling shaft 30, which can ensure the stability and firmness of the plug connector and improve the accuracy and safety of drilling.

[0034] In addition, the height of the slurry outlet hole 33 is higher than the top height of the plug connector 35, which is convenient for slurry discharge.

[0035] It is worth noting that the top diameter of the detachable drill bit 31 is adapted to the outer diameter of the hollow drilling shaft 30 to improve stability.

[0036] The working principle of the device for realizing drilling and grouting inside a pipeline is as follows: first, the operator connects the drilling motor 10 and the grouting pipe 20 coaxially, installs the sealing bearing 21 to the bottom of the grouting pipe 20, ensures that its inner ring is matched with the outer diameter of the grouting pipe 20, and the outer ring is matched with the inner diameter of the hollow drilling shaft 30, uses the hand-held ring seat 12 to hold the device, starts the drilling motor 10 to drill, and after the hollow drilling shaft 30 completes the drilling, the grouting material in the grouting pipe 20 is injected into the pipeline through the slurry outlet hole 33 at the bottom of the outer wall of the hollow drilling shaft 30.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for drilling and grouting inside a pipeline, comprising a drilling motor (10), characterized in that: A grouting pipe (20) is coaxially connected to the top of the drilling motor (10), and a hollow drilling shaft (30) is installed at the center of the drilling motor (10); A U-shaped hand-held ring seat (12) is installed on the top surface of the drilling motor (10); A sealed bearing (21) is provided at the bottom of the grouting pipe (20), the outer ring diameter of the sealed bearing (21) is matched with the inner diameter of the hollow drilling shaft (30), the inner ring diameter of the sealed bearing (21) is matched with the outer diameter of the grouting pipe (20), the top of the grouting pipe (20) is a sealed structure and a slurry inlet hole (22) connected to an external slurry delivery pipe is opened on the outer wall; A detachable drill bit (31) is installed at the bottom of the hollow drilling shaft (30), and a plurality of slurry outlet holes (33) arranged in a ring shape and evenly spaced from each other are opened at the bottom of the outer wall of the hollow drilling shaft (30).

2. The device for drilling and grouting inside a pipeline according to claim 1 is characterized in that: A plurality of heat dissipation fins (11) arranged evenly and equidistantly in a ring shape are installed on the outer wall of the drilling motor (10).

3. The device for drilling and grouting inside a pipeline according to claim 1 is characterized in that: An anti-skid cover is arranged on the outer wall of the hand-held ring seat (12), and anti-skid protrusions are arranged on the surface of the anti-skid cover.

4. The device for drilling and grouting inside a pipeline according to claim 1 is characterized in that: A grouting channel (34) is provided in the hollow drilling shaft (30), and the detachable drill bit (31) is coaxially connected with a plug connector (35) that matches the inner diameter of the grouting channel (34) and is plug-matched.

5. The device for drilling and grouting inside a pipeline according to claim 4 is characterized in that: The plug connector (35) is connected to the bottom of the hollow drilling shaft (30) via a locking bolt (32), and the nut of the locking bolt (32) is embedded in the outer wall of the hollow drilling shaft (30).

6. The device for drilling and grouting inside a pipeline according to claim 4 is characterized in that: The height of the pulp outlet hole (33) is higher than the top height of the plug connector (35).

7. The device for drilling and grouting inside a pipeline according to claim 1 is characterized in that: The top diameter of the detachable drill bit (31) is matched to the outer diameter of the hollow drilling shaft (30).

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