A double-channel main shaft has a pushing drill rig with a deslagging function

Abstract

This utility model discloses a top-push drilling rig with a dual-channel main shaft and slag removal function. The rig includes a top-push drilling rig with a scissor-type lifting frame and a guide frame inside. The output end of the top-push drilling rig is equipped with a tunneling slag removal pipe. Symmetrically arranged at the upper end of the rig are guide frames for guiding the tunneling structure, and a drive frame located in the middle of the guide frame for slag removal from the tunneling slag removal pipe drive box. This utility model provides a top-push drilling rig with a dual-channel main shaft and slag removal function. By setting up the top-push drilling rig in conjunction with the tunneling slag removal pipe, the interior of the tunneling slag removal pipe and the drive end of the top-push drilling rig are designed in a dual-channel tunneling mode. The two channels are used for liquid supply and slag or soil discharge, respectively. While the tunneling pipe is tunneling, the slag removal inner pipe moves along with it to the tunneling section. The dual-channel operation and slag removal are carried out synchronously, effectively reducing the problem of mud clogging compared to traditional tunneling equipment.

Description

Technical Field

[0001] This utility model relates to the field of trenchless pipeline construction technology, and in particular to a top-pushing drilling rig with a dual-channel main shaft and slag removal function. Background Technology

[0002] A pusher drilling rig is a machine that uses a top drive device to transmit impact force to the top of the drill rod for drilling operations. Its core structure includes a top drive device, a drill rod propulsion system, and a hydraulic control system.

[0003] Unlike down-the-hole drills, push drills have their impact mechanism located at the borehole opening, transmitting energy to the drill bit at the bottom of the hole via the drill rod. They are suitable for medium-to-low hardness rock formations (below 200 MPa) with a borehole diameter of less than 127 mm and a depth of no more than 20 m. This equipment performs exceptionally well in narrow environments such as subways and tunnels, and is characterized by its flexibility and high efficiency.

[0004] In summary, existing pusher drilling rigs still have the following technical problems: Most pusher drilling rigs currently in use use miniature pipe jacking machines. Due to the limited internal space and complex mechanism of the equipment, the diameter of the mud inlet and outlet pipes is restricted. Therefore, these miniature pipe jacking machines are prone to mud discharge blockage, which is a major pain point. To address this, it is necessary to propose a pusher drilling rig with a dual-channel spindle and slag discharge function, providing a new technical solution to solve the technical problems mentioned in the above patent. Utility Model Content

[0005] Based on this, it is necessary to provide a top-pushing drilling rig with a dual-channel main shaft and slag removal function to address the above-mentioned technical problems. By setting up a top-pushing drilling rig in conjunction with a tunneling and slag removal pipe, the interior of the tunneling and slag removal pipe and the drive end of the top-pushing drilling rig are designed as a dual-channel tunneling mode. The two channels are used for the supply of liquid and the discharge of slag or soil, respectively. While the tunneling pipe is tunneling, the slag removal inner pipe moves with it to the tunneling section. The dual-channel operation and slag removal are carried out in a synchronous cycle, which can effectively reduce the problem of mud blockage compared with traditional tunneling equipment.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0007] A top-pushing drilling rig with a dual-channel main shaft and slag removal function.

[0008] The dual-channel main shaft jacking drill with slag removal function specifically includes a jacking drill, which includes a scissor lifting frame and a guide frame installed inside the jacking drill, and the output end of the jacking drill is equipped with a tunneling and soil removal pipe.

[0009] The upper end of the jacking drill is symmetrically equipped with a guide frame for guiding the tunneling structure, and a drive frame located in the middle of the guide frame for discharging soil from the tunneling discharge pipe drive box.

[0010] As a preferred embodiment of the jacking drill with dual-channel main shaft and slag removal function provided by this utility model, the tunneling and soil removal pipe includes a tunneling pipe, one end of which is welded to an external pipe connector, and the end of the tunneling pipe away from the external pipe connector is welded to an external pipe docking seat. An internal retainer is fixedly installed inside the tunneling pipe.

[0011] As a preferred embodiment of the top-pushing drill with slag removal function of the dual-channel main shaft provided by this utility model, the inner cage is provided with a mud-discharging inner tube, one end of the mud-discharging inner tube is welded to an inner tube plug joint, and the end of the mud-discharging inner tube away from the inner tube plug joint is welded to an inner tube docking seat.

[0012] As a preferred embodiment of the dual-channel spindle jacking drill with slag removal function provided by this utility model, the jacking drill includes side sliding seats slidably disposed on the surface of the guide frame, a central positioning frame fixedly disposed between the two side sliding seats, and a hydraulic jacking pump fixedly connected inside the frame of the jacking drill. The output end of the hydraulic jacking pump is fixedly connected to the central positioning frame.

[0013] As a preferred embodiment of the top-pushing drilling rig with slag removal function of the dual-channel main shaft provided by this utility model, the central positioning frame is provided with a drive structure inside, a rotating frame is rotatably arranged inside the central positioning frame, a tunneling drive pipe is fixedly arranged inside the rotating frame, a slurry inlet pipe is rotatably arranged on the surface of the tunneling drive pipe, an outer pipe docking seat is fixedly connected to the end of the tunneling drive pipe away from the rotating frame, a water inlet hole is opened in an annular shape on the surface of the tunneling drive pipe, an inner pipe connecting pipe is rotatably arranged inside the central positioning frame, an inner pipe docking seat is fixedly connected to one end of the inner pipe connecting pipe, and a mud discharge port is rotatably arranged at the end of the inner pipe connecting pipe away from the inner pipe docking seat.

[0014] As a preferred embodiment of the top-pushing drilling rig with slag discharge function of the dual-channel main shaft provided by this utility model, the inner tube connecting seat at the end of the inner tube connecting pipe is inserted into the inner tube plug, thereby forming a passage between the inner tube connecting pipe, the sludge discharge inner pipe and the interior of the sludge discharge port. The front end of the tunneling drive pipe is connected to the tunneling pipe through the outer tube connecting seat and the outer tube plug. The middle part of the tunneling pipe and the sludge discharge inner pipe forms a passage and is connected to the slurry inlet pipe through the water inlet hole.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The dual-channel main shaft jacking drill rig with slag removal function provided by this utility model is designed with a jacking drill rig and a tunneling and slag removal pipe. The interior of the tunneling and slag removal pipe and the drive end of the jacking drill rig are designed as a dual-channel tunneling mode. The two channels are used for the supply of liquid and the discharge of mud or soil, respectively. While the tunneling pipe is tunneling, the slag removal inner pipe moves with it to the tunneling section. The dual-channel operation and slag removal are carried out in a synchronous cycle. Compared with traditional tunneling equipment, it can effectively reduce the problem of mud blockage. Attached Figure Description

[0017] To more clearly illustrate the solutions in this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 A schematic diagram of the overall structure of the pusher drilling rig with dual-channel spindle and slag removal function provided by this utility model;

[0019] Figure 2 A schematic diagram of the structure of the top-pushing drill with dual-channel spindle and slag removal function provided by this utility model;

[0020] Figure 3 A schematic diagram of the transmission structure of the top-pushing drill with dual-channel main shaft and slag removal function provided by this utility model;

[0021] Figure 4 A schematic diagram of the double-arm soil removal structure of the top-pushing drilling rig with dual-channel main shaft and slag removal function provided by this utility model;

[0022] Figure 5 The present invention provides a top-pushing drilling rig with a dual-channel spindle and slag removal function. Figure 4 A schematic diagram of the cross-sectional structure;

[0023] Figure 6 A schematic diagram of the excavation and soil discharge pipe of the top-pushing drilling rig with dual-channel main shaft and slag discharge function provided by this utility model;

[0024] Figure 7 A cross-sectional structural diagram of the excavation and soil discharge pipe of the top-pushing drilling rig with dual-channel main shaft and slag discharge function provided by this utility model;

[0025] Figure 8 A schematic diagram of the slag discharge inner pipe of the pusher drilling rig with dual-channel main shaft and slag discharge function provided by this utility model.

[0026] The markings in the diagram are explained as follows:

[0027] 1. Top-pushing drilling rig; 2. Scissor lift frame; 3. Guide frame; 18. Excavation and soil removal pipe; 4. Drive frame; 6. Side sliding seat; 7. Hydraulic top-pushing pump; 8. Center positioning frame; 9. Drive structure; 10. Rotating frame; 11. Excavation drive pipe; 12. Grout inlet pipe; 13. Outer pipe docking seat; 14. Water inlet hole; 15. Inner pipe connecting pipe; 16. Inner pipe docking seat; 17. Mud discharge port; 19. Excavation pipe; 20. Outer pipe connector; 22. Internal retainer; 23. Mud discharge inner pipe; 24. Inner pipe connector. Detailed Implementation

[0028] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0029] As described in the background section, most of the jacking drilling rigs currently in use employ miniature pipe jacking machines. Due to the limited internal space and complex mechanisms of these machines, the diameter of the inlet and outlet pipes is restricted, making these miniature pipe jacking machines prone to mud blockage.

[0030] To solve this technical problem, this utility model provides a top-pushing drilling rig with a dual-channel main shaft and slag removal function.

[0031] For details, please refer to Figures 1-4 The dual-channel main shaft jacking drill with slag discharge function specifically includes a jacking drill 1. The jacking drill 1 includes a scissor lifting frame 2 and a guide frame 3 installed inside the jacking drill 1. The output end of the jacking drill 1 is equipped with a tunneling and soil discharge pipe 18.

[0032] The upper end of the pusher drilling rig 1 is symmetrically provided with a guide frame 3 for guiding the tunneling structure, and a drive frame 4 is provided in the middle of the guide frame 3 for driving and discharging the tunneling and soil discharge pipe 18.

[0033] The dual-channel main shaft jacking drill rig with slag removal function provided by this utility model is designed with a jacking drill rig 1 and a tunneling and slag removal pipe 18. The interior of the tunneling and slag removal pipe 18 and the drive end of the jacking drill rig 1 are designed as a dual-channel tunneling mode. The two channels are used for the supply of liquid and the discharge of mud or soil, respectively. While the tunneling pipe 19 is tunneling, the slag removal inner pipe 23 moves with it to the tunneling section. The dual-channel operation and slag removal are carried out in a synchronous cycle. Compared with traditional tunneling equipment, it can effectively reduce the problem of mud blockage.

[0034] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0035] Please refer to Figures 2-8 A top-pushing drilling rig with a dual-channel main shaft and slag discharge function includes a top-pushing drilling rig 1. The top-pushing drilling rig 1 includes a scissor lifting frame 2 and a guide frame 3 installed inside the top-pushing drilling rig 1. The output end of the top-pushing drilling rig 1 is provided with a tunneling and soil discharge pipe 18.

[0036] The upper end of the pusher drilling rig 1 is symmetrically equipped with guide frames 3 for guiding the tunneling structure, and a drive frame 4 is set in the middle of the guide frames 3 for discharging soil from the drive box of the tunneling and soil discharge pipe 18.

[0037] Specifically, the excavation and dumping pipe 18 includes an excavation pipe 19, one end of which is welded to an external pipe connector 20, and the end of the excavation pipe 19 away from the external pipe connector 20 is welded to an external pipe docking seat 13, and an internal retainer 22 is fixedly installed inside the excavation pipe 19.

[0038] Specifically, the inner retainer 22 is provided with a mud discharge inner tube 23. One end of the mud discharge inner tube 23 is welded to an inner tube connector 24, and the end of the mud discharge inner tube 23 away from the inner tube connector 24 is welded to an inner tube mating seat 16.

[0039] Specifically, the jacking drill rig 1 includes side sliding seats 6 slidably disposed on the surface of the guide frame 3, a central positioning frame 8 fixedly disposed between the two side sliding seats 6, and a hydraulic jacking pump 7 fixedly connected inside the frame of the jacking drill rig 1. The output end of the hydraulic jacking pump 7 is fixedly connected to the central positioning frame 8.

[0040] Specifically, the central positioning frame 8 is equipped with a drive structure 9, a rotating frame 10 is rotatably mounted inside the central positioning frame 8, a tunneling drive pipe 11 is fixedly mounted inside the rotating frame 10, a slurry inlet pipe 12 is rotatably mounted on the surface of the tunneling drive pipe 11, an outer pipe docking seat 13 is fixedly connected to the end of the tunneling drive pipe 11 away from the rotating frame 10, a water inlet hole 14 is annularly opened on the surface of the tunneling drive pipe 11, an inner pipe connecting pipe 15 is rotatably mounted inside the central positioning frame 8, an inner pipe docking seat 16 is fixedly connected to one end of the inner pipe connecting pipe 15, and a mud discharge port 17 is rotatably mounted at the end of the inner pipe connecting pipe 15 away from the inner pipe docking seat 16.

[0041] Specifically, the inner pipe connecting seat 16 at the end of the inner pipe connecting pipe 15 is inserted into the inner pipe plug 24, thereby forming a passage between the inner pipe connecting pipe 15, the mud discharge inner pipe 23, and the mud discharge port 17. The front end of the tunneling drive pipe 11 is connected to the tunneling pipe 19 through the outer pipe connecting seat 13 and the outer pipe plug 20. The middle part of the tunneling pipe 19 and the mud discharge inner pipe 23 forms a passage and is connected to the slurry inlet pipe 12 through the water inlet hole 14.

[0042] With the above structural design, when using the device, the jacking drill rig 1 is moved as a whole to the pre-excavated pit. During use, the outer pipe docking seat 13 at the end of the tunneling pipe 19 is inserted into the outer pipe connector 20 at the end of the tunneling drive pipe 11. Simultaneously, the inner pipe connector 24 is inserted into the inner pipe docking seat 16, connecting the inner pipe connecting pipe 15 to the mud discharge inner pipe 23. At this point, the end of the tunneling pipe 19 can be connected to the existing tunneling disc. Simultaneously, the drive structure 9 is activated to drive the tunneling drive pipe 11 to rotate, and the outer pipe docking seat 13 cooperates with the outer pipe connector. The head 20 connects the tunneling drive pipe 11 to the tunneling pipe 19, thereby transmitting the rotational torque to the tunneling disc and driving the tunneling disc to rotate. At this time, the hydraulic jacking pump 7 is turned on to push the center positioning frame 8 to push the tunneling pipe 19 to the required drilling position, and grout is injected into the grout inlet pipe 12 at the same time. At the same time, grout is supplied to the drilling site through the passage in the middle of the tunneling pipe 19 and the mud discharge inner pipe 23. During the tunneling process, the grout mixes with the soil to form mud, which is supplied into the inner pipe connecting pipe 15 through the middle of the mud discharge inner pipe 23. At the same time, the mud is discharged from the mud discharge port 17, thereby realizing the discharge of mud.

Claims

1. A top-pushing drilling rig with a dual-channel main shaft and slag removal function, characterized in that; The invention includes a pusher drilling rig (1), which includes a scissor lifting frame (2) and a guide frame (3) installed inside the pusher drilling rig (1), and the output end of the pusher drilling rig (1) is provided with a tunneling and soil discharge pipe (18). The upper end of the jacking drill (1) is symmetrically provided with a guide frame (3) for guiding the tunneling structure, and a drive frame (4) is provided in the middle of the guide frame (3) for driving the tunneling and discharging the soil through the excavation pipe (18).

2. The dual pass main shaft pusher jumbo with deslagging function according to claim 1, characterized in that, The excavation and soil removal pipe (18) includes an excavation pipe (19), one end of which is welded to an external pipe connector (20), and the end of the excavation pipe (19) away from the external pipe connector (20) is welded to an external pipe docking seat (13), and an internal retainer (22) is fixedly installed inside the excavation pipe (19).

3. The dual pass main shaft pusher jumbo with the function of removing residue according to claim 2, characterized in that, The internal retainer (22) is provided with a mud discharge inner tube (23), one end of which is welded to an inner tube connector (24), and the end of the mud discharge inner tube (23) away from the inner tube connector (24) is welded to an inner tube mating seat (16).

4. The dual pass main shaft pusher drill rig with deslagging function according to claim 3, characterized in that, The jacking drill (1) includes a side sliding seat (6) slidably disposed on the surface of the guide frame (3), a central positioning frame (8) fixedly disposed between the two side sliding seats (6), and a hydraulic jacking pump (7) fixedly connected inside the frame of the jacking drill (1). The output end of the hydraulic jacking pump (7) is fixedly connected to the central positioning frame (8).

5. The dual pass main shaft pusher drill rig with deslagging function according to claim 4, characterized in that, The central positioning frame (8) is provided with a drive structure (9) inside. The central positioning frame (8) is rotatably provided with a rotating frame (10) inside. The rotating frame (10) is fixedly provided with a tunneling drive pipe (11) inside. The surface of the tunneling drive pipe (11) is rotatably provided with a slurry inlet pipe (12). The end of the tunneling drive pipe (11) away from the rotating frame (10) is fixedly connected with an outer pipe docking seat (13). The surface of the tunneling drive pipe (11) is provided with a water inlet hole (14) in an annular shape. The central positioning frame (8) is rotatably provided with an inner pipe connecting pipe (15). One end of the inner pipe connecting pipe (15) is fixedly connected with an inner pipe docking seat (16). The end of the inner pipe connecting pipe (15) away from the inner pipe docking seat (16) is rotatably provided with a mud discharge port (17).

6. The dual pass main shaft pusher jib with deslagging function according to claim 5, characterized in that, The inner pipe connecting pipe (15) end of the inner pipe docking seat (16) is inserted into the inner pipe plug (24), thereby forming a passage between the inner pipe connecting pipe (15), the mud discharge inner pipe (23), and the mud discharge port (17). The front end of the tunneling drive pipe (11) is connected to the tunneling pipe (19) through the outer pipe docking seat (13) and the outer pipe plug (20). The middle part of the tunneling pipe (19) and the mud discharge inner pipe (23) forms a passage and is connected to the slurry inlet pipe (12) through the water inlet hole (14).

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