CN215485873U

CN215485873U - Slurry circulating device of horizontal directional drilling machine

Info

Publication number: CN215485873U
Application number: CN202121328307.6U
Authority: CN
Inventors: 季永新; 周华; 肖国香
Original assignee: Suzhou Zhongbao Municipal Garden Engineering Co ltd
Current assignee: Suzhou Zhongbao Municipal Garden Engineering Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-11
Anticipated expiration: 2031-06-15

Abstract

The utility model belongs to the technical field of underground drilling equipment and specifically relates to a mud circulating device of directional rig of level is related to, it includes the mud pit, the inlet tube of intercommunication on the mud pit and the outlet pipe of intercommunication on the mud pit, the intercommunication has the delivery pump on the outlet pipe, the inlet tube sets up the top in the mud pit, the outlet pipe setting is kept away from the one end of inlet tube in the mud pit, be equipped with in the mud pit and separate the platform, separate the platform setting between inlet tube and outlet pipe, separate the bench and be equipped with the filter screen. This application has the rubble that mix with in the reduction mud, reduces the condition that pipeline blockage appears, promotes the effect of efficiency of construction.

Description

Slurry circulating device of horizontal directional drilling machine

Technical Field

The application relates to the field of underground drilling equipment, in particular to a slurry circulating device of a horizontal directional drilling machine.

Background

The horizontal directional drilling machine is a construction machine for laying pipeline, cable and the like under the condition of not excavating ground surface, and is suitable for the ground conditions of sandy soil, clay and the like.

At present, in the process of underground passage excavation and hole expansion by a horizontal directional drilling machine, mud and water are needed to lubricate a drill bit so as to improve the tunneling efficiency of the drill bit. In general, in order to save water resources, when lubricating a drill bit, slurry generated in a tunneling process is mostly adopted for recycling, and a small amount of water is matched to lubricate the drill bit together.

In the process of drilling by the drill bit, underground rocks and the like are inevitably crushed, the crushed rocks are discharged together with slurry, centralized treatment is carried out on the ground, the slurry is mixed with crushed stones and enters into circulation together, the crushed stones are hard and are easy to block in a pipeline, the pipeline is required to be dredged frequently, and the construction efficiency is greatly influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the pipeline blockked up easily, promote the efficiency of construction, this application provides a directional rig's of level mud circulating device.

The application provides a mud circulating device of directional rig of level adopts following technical scheme:

the utility model provides a mud circulating device of directional rig of level, includes the mud pit, communicates inlet tube and the outlet pipe of intercommunication on the mud pit of intercommunication, the intercommunication has the delivery pump on the outlet pipe, the inlet tube sets up the top at the mud pit, the outlet pipe sets up the one end of keeping away from the inlet tube in the mud pit, be equipped with in the mud pit and separate the platform, separate the platform setting between inlet tube and outlet pipe, it is equipped with the filter screen to separate the bench.

Through adopting above-mentioned technical scheme, separate the platform and become two with the inner space partition in mud pit, set up the filter screen through separating too upward and filter mud, block that the rock fragment in the mud removes to the outlet pipe, the rock fragment deposit is in the mud pit, and mud is from just discharging pipe discharge entering circulation, reduces the condition that the rock fragment blockked up the pipeline that appears.

Optionally, the separating table is arranged in an inclined manner towards one surface of the water inlet pipe.

By adopting the technical scheme, the rock fragments filtered out by the filter screen slide downwards along the side wall of the separation table, so that the rock fragments can be conveniently accumulated at the bottom of the mud pit.

Optionally, a plurality of crushing rollers are arranged in the slurry tank at intervals, the axes of the crushing rollers are parallel, the crushing rollers are arranged on one side of the filter screen facing the water outlet pipe, a first driving motor used for driving the crushing rollers to rotate is arranged on the outer wall of the slurry tank, and a driving wheel and a plurality of driving wheels are coaxially arranged on a rotating shaft of one end, far away from the first driving motor, of each crushing roller and are connected with each other.

Through adopting above-mentioned technical scheme, first driving motor operation drives the crushing roller and carries out the breakage to the rock fragment in the mud, and the rock fragment with the tiny granule is broken into littleer fragment, makes the rock fragment in the mud be difficult for subsiding, and the solid particle subsides in the reduction mud and leads to the condition of pipe blockage to appear.

Optionally, a plurality of broken pieces are arranged on the surface of the crushing roller, and the broken pieces are arranged at intervals.

Through adopting above-mentioned technical scheme, the broken piece is broken the tiny particle rock fragment in to mud, promotes the crushing effect of crushing roller.

Optionally, a stirring shaft is arranged in the slurry tank, a plurality of stirring paddles are arranged on the stirring shaft, the stirring paddles are arranged at intervals, a mounting plate is arranged on the top surface of the slurry tank, and a second driving motor used for driving the stirring shaft to rotate is arranged on the mounting plate.

Through adopting above-mentioned technical scheme, the operation of second driving motor drives the (mixing) shaft and stirs the mud in the mud pond, reduces the subsidence of silt in the mud pond in the mud, promotes the recycle ratio of mud.

Optionally, the paddle is helical.

Through adopting above-mentioned technical scheme, the stirring rake rotates the in-process, drives the mud in the mud pond and forms the vortex, makes mud have the impact to mud pond bottom surface, reduces the subsidence of silt in the mud pond in, promotes the recycle ratio of mud.

Optionally, a mounting frame is arranged in the water outlet pipe, and stirring blades are arranged on the mounting frame.

Through adopting above-mentioned technical scheme, the mounting bracket supports stirring vane, and stirring vane stirs the mud in the outlet pipe, reduces the subsidence of mud in the outlet pipe.

Optionally, a collecting bag is arranged in the mud pit, a hanging lug is arranged on the collecting bag, and a fixing block for hanging the hanging lug is arranged on the top surface of the mud pit.

Through adopting above-mentioned technical scheme, collect the bag and collect the rock fragment that subsides in the mud pit, can accomplish the cleanness to collecting the bag fast through changing collecting the bag, promote the clean efficiency in mud pit.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the separating table divides the internal space of the mud tank into two parts, and the filter screen is arranged on the filter screen arranged above the separating table to filter the mud, so that the movement of rock fragments in the mud to the water outlet pipe is prevented, and the condition that the rock fragments block the pipeline is reduced;

2. set up (mixing) shaft and stirring rake, stir the mud in the mud pond, reduce the subside of silt in the mud pond in the mud, promote the recycle ratio of mud.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view showing the internal structure of the mud pit.

Fig. 3 is a schematic view showing the internal structure of the outlet pipe.

Description of reference numerals: 1. a mud pit; 2. a water inlet pipe; 3. a water outlet pipe; 4. a delivery pump; 5. a separating table; 6. a filter screen; 7. a crushing roller; 8. breaking the fragments; 9. a driving wheel; 10. a first drive motor; 11. a stirring shaft; 12. a stirring paddle; 13. mounting a plate; 14. a second drive motor; 15. a collection bag; 16. hanging a lug; 17. a fixed block; 18. a mounting frame; 19. a stirring blade.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a slurry circulating device of a horizontal directional drilling machine. Referring to fig. 1 and 2, the mud circulating device of the horizontal directional drilling machine comprises a mud pit 1, a water inlet pipe 2 communicated with the mud pit 1 and a water outlet pipe 3 communicated with the mud pit 1, wherein the water inlet pipe 2 is communicated with the top end of the mud pit 1, the water outlet pipe 3 is communicated with one end of the mud pit 1, which is far away from the water inlet pipe 2, the water outlet pipe 3 is arranged at the bottom end of the mud pit 1, and the water outlet pipe 3 is communicated with a delivery pump 4. After entering the mud pit 1 from the water inlet pipe 2, the mud is conveyed from the water outlet pipe 3 to the tunneling mechanism of the horizontal directional drilling machine through the pumping action of the conveying pump 4.

Referring to fig. 1 and 2, a separating table 5 is arranged in the mud pit 1, the separating table 5 is arranged in the middle of the mud pit 1, one surface of the separating table 5 facing the water inlet pipe 2 is obliquely arranged, and a filter screen 6 is vertically fixed on the top surface of the separating table 5. After entering the mud tank 1, the mud is accumulated on one side of the mud tank 1, and when the accumulated mud reaches a certain height, the mud enters the other side of the mud tank 1 through the filter screen 6 and is pumped by the delivery pump 4 to enter circulation. During the process that the mud is accumulated on one side, rock fragments in the mud are gradually settled under the action of gravity, and the unsettled part of the rock fragments are blocked by the filter screen 6, fall off the filter screen 6 and roll to the bottom end of the mud pit 1 along the inclined side wall of the separation table 5.

Referring to fig. 1 and 2, a collecting bag 15 is provided in the mud pit 1, the collecting bag 15 is provided at a side close to the water inlet pipe 2, and the collecting bag 15 collects the rock fragments settled in the mud and the rock fragments blocked by the filter screen 6. A hanging lug 16 is fixed on the collecting bag 15, and a fixed block 17 is fixed on the top surface of the mud pit 1. When slurry circulation is carried out, the hanging lugs 16 are hung on the fixing blocks 17, the opening of the collecting bag 15 is kept open, and stability of the collecting bag 15 in collecting rock fragments is improved. When the rock fragments in the collecting bag 15 are collected to a certain degree, the hanging lugs 16 are lifted by the lifting device, the collecting bag 15 filled with the rock fragments is taken out from the mud pit 1, and the collecting bag 15 is convenient to replace.

Referring to fig. 1 and 2, a plurality of crushing rollers 7 are arranged in the slurry tank 1, the axes of the crushing rollers 7 are arranged in parallel, the crushing rollers 7 are arranged at the top end of the separation table 5, the crushing rollers 7 are arranged on one side of the filter screen 6 facing the water outlet pipe 3, one end of the axis of each crushing roller 7 is coaxially fixed with a driving wheel 9, and the driving wheels 9 are gears meshed with each other. The surface of each crushing roller 7 is provided with a plurality of crushing blocks 8, and the plurality of crushing blocks 8 are arranged at intervals. A first driving motor 10 used for driving the crushing roller 7 to rotate is fixed on the outer wall of the mud pit 1, the first driving motor 10 operates to drive the crushing roller 7 to rotate, and in the rotating process of the crushing roller 7, mud passing through the filter screen 6 is crushed, so that rock fragments with smaller particles in the mud are further crushed, and the rock fragments are crushed into smaller fragments.

Referring to fig. 1 and 2, a stirring shaft 11 is vertically arranged in the slurry tank 1, a plurality of spiral stirring paddles 12 are arranged on the side wall of the stirring shaft 11, and the stirring paddles 12 are arranged at intervals along the axis of the stirring shaft 11. A mounting plate 13 is fixed on the top surface of the mud pit 1, and a second driving motor 14 for driving the stirring shaft 11 to rotate is fixed on the mounting plate 13. The second driving motor 14 runs to drive the stirring shaft 11 to rotate, the second stirring shaft 11 drives the stirring paddle 12 to stir the slurry in the slurry pool 1, and in the rotating process of the stirring paddle 12, a downward vortex is formed, so that water flow continuously impacts the bottom surface of the slurry pool 1, and the sedimentation at the bottom of the slurry pool 1 is reduced.

Referring to fig. 3, a mounting frame 18 is provided in the water outlet pipe 3, and a plurality of stirring blades 19 are provided on the mounting frame 18. Mud flows in the outlet pipe 3 under the suction action of the delivery pump 4, the stirring blade 19 is driven to rotate in the mud flowing process, and the mud is stirred in the rotation process of the stirring blade 19, so that the condition that silt in the mud is precipitated in a pipeline is reduced.

The implementation principle of the mud circulating device of the horizontal directional drilling machine in the embodiment of the application is as follows: the mud enters the mud pool 1 from the water inlet pipe 2, passes through the filter screen 6 to reach the water outlet pipe 3, and is discharged from the water outlet pipe 3 under the suction action of the delivery pump 4. The first driving motor 10 operates to drive the crushing roller 7 to crush the slurry, and the second driving motor 14 operates to stir the slurry in the slurry tank 1. Through the handling lug, will collect bag 15 and take out from mud pit 1, conveniently clear up mud pit 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a mud circulating device of directional rig of level, includes mud pit (1), communicates inlet tube (2) on mud pit (1) and communicates outlet pipe (3) on mud pit (1), the intercommunication has delivery pump (4), its characterized in that on outlet pipe (3): the improved mud pump is characterized in that the water inlet pipe (2) is arranged on the top end of the mud pit (1), the water outlet pipe (3) is arranged at one end, away from the water inlet pipe (2), of the mud pit (1), a separation table (5) is arranged in the mud pit (1), the separation table (5) is arranged between the water inlet pipe (2) and the water outlet pipe (3), and a filter screen (6) is arranged on the separation table (5).

2. The mud circulation apparatus of a horizontal directional drilling machine according to claim 1, wherein: the separating table (5) is obliquely arranged towards one surface of the water inlet pipe (2).

3. The mud circulation apparatus of a horizontal directional drilling machine according to claim 1, wherein: the mud pit is characterized in that a plurality of crushing rollers (7) are arranged in the mud pit (1) at intervals, the axes of the crushing rollers (7) are parallel, the crushing rollers (7) are arranged on one side, facing the water outlet pipe (3), of the filter screen (6), a first driving motor (10) used for driving the crushing rollers (7) to rotate is arranged on the outer wall of the mud pit (1), and a driving wheel (9) is coaxially arranged in a rotating shaft, far away from one end of the first driving motor (10), of the crushing rollers (7) and is connected with one another through the driving wheel (9).

4. The mud circulation apparatus of a horizontal directional drilling machine according to claim 3, wherein: the surface of the crushing roller (7) is provided with a plurality of crushing blocks (8), and the crushing blocks (8) are arranged at intervals.

5. The mud circulation apparatus of a horizontal directional drilling machine according to claim 1, wherein: be equipped with (mixing) shaft (11) in mud pit (1), be equipped with polylith stirring rake (12) on (mixing) shaft (11), the polylith stirring rake (12) interval sets up, be equipped with mounting panel (13) on the top surface in mud pit (1), be equipped with on mounting panel (13) and be used for driving (mixing) shaft (11) pivoted second driving motor (14).

6. The mud circulation apparatus of a horizontal directional drilling machine according to claim 5, wherein: the stirring paddle (12) is spiral.

7. The mud circulation apparatus of a horizontal directional drilling machine according to claim 1, wherein: a mounting rack (18) is arranged in the water outlet pipe (3), and stirring blades (19) are arranged on the mounting rack (18).

8. The mud circulation apparatus of a horizontal directional drilling machine according to claim 1, wherein: the mud pit is characterized in that a collecting bag (15) is arranged in the mud pit (1), a hanging lug (16) is arranged on the collecting bag (15), and a fixing block (17) for hanging the hanging lug (16) is arranged on the top surface of the mud pit (1).