CN215057360U - Stone mining box with function of automatically stirring sludge - Google Patents

Abstract

The utility model provides a quarrying box with the function of automatically stirring silt, which comprises a stirring mechanism component, a quarrying box body component, a gate component and a stirring motor component, wherein the quarrying box body component comprises a box body, and the stirring mechanism component comprises a stirring shaft; the stirring shaft is provided with a bearing bag assembly, the stirring shaft is positioned and installed on the central axis of the box body by utilizing the connection matching of the bearing bag assembly, and stirring blades are arranged on the stirring shaft positioned in the box body, so that the stirring blades are positioned in the box body; the gate assembly comprises a gate frame and a gate plate, the stirring motor assembly comprises a three-phase motor, the three-phase motor is in power fit connection with the hollow shaft reduction box, and the hollow shaft reduction box is in power connection with the stirring shaft so as to provide rotary power for the stirring shaft; the utility model discloses effectively solved the problem of the interior accumulation silt of quarrying case, can reduce the cost of labor again, simplify the operation process, shortened the cycle on rubble and silt layer in the clean incasement.

Description

Stone mining box with function of automatically stirring sludge

Technical Field

The utility model relates to a mud circulation technical field especially relates to a quarrying case that possesses stir silt function by oneself.

Background

The slurry balance shield machine is widely applied to river-crossing and sea-crossing tunnel construction due to the unique technical advantages of high working pressure, accurate pressure control of tunnel face and the like, and a slurry circulation system plays an important role in discharging and delivering residue soil of the slurry balance shield machine. The mud pump is used as an important component of the mud circulation system and provides a power source for the whole system, but the mud pump is provided with the limitation on the passing of the particle size, the maximum passing particle size of a mud discharging pump in the mud circulation system has the limitation effect on a grid in front of a pulp inlet of a pulp discharging pipe, the too small grid channel directly causes the stagnation discharge, and the design of the quarrying box in front of the pulp discharging pump can effectively solve the problem that the size of a grid hole at the inlet end of the pulp discharging pipe is influenced by the passing particle size of the mud discharging pump. The stone mining box can effectively filter stones with the diameter larger than the maximum passing grain diameter of the slurry discharging pump in the slurry discharging liquid, prevent the defects that the large-diameter stones block the pump and block a rear pipeline from occurring, avoid the stop of the slurry discharging pump, effectively relieve the phenomenon of slurry discharging port stagnation and ensure the normal operation of a circulation system; so the quarry boxes are very important parts of the circulation system.

When the slurry shield machine is propelled on a sludge layer, sludge can be accumulated at a sludge discharge port little by the traditional quarrying box, and the defect is solved only by forming a method for accelerating slurry flow by an internal circulation through a P0 pump. In order to avoid the technical problem, the quarrying box device with the stirring function is specially designed for the bottom layer of the sludge.

Disclosure of Invention

In order to solve the problems of stopping tunneling work and reducing efficiency caused by blockage of a sludge discharge port or a circulation pipeline due to accumulation of sludge in the traditional quarrying box in the prior art, the quarrying box disclosed by the invention realizes the function of automatically stirring the sludge in the quarrying box, avoids the problem that the sludge in the quarrying box can be cleaned only by stopping tunneling, effectively solves the problem of accumulation of the sludge in the quarrying box, reduces the labor cost, simplifies the operation process and shortens the period of cleaning broken stones and sludge layers in the quarrying box.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a quarrying box with a function of automatically stirring sludge comprises a stirring mechanism assembly, a quarrying box body assembly, a gate assembly and a stirring motor assembly, and is characterized in that the quarrying box body assembly comprises a box body, a base is mounted on the lower side of the box body, a pressure relief pipe and a standby pressure relief pipe are mounted on the upper side of the box body, a sludge inlet circular pipe is arranged on the left side of the box body, and a sludge outlet circular pipe is arranged on the right side of the box body; the stirring mechanism component comprises a stirring shaft; the stirring shaft is provided with a bearing pack assembly, is positioned and installed on the central axis of the box body by utilizing the connection matching of the bearing pack assembly, and is provided with stirring blades so that the stirring blades are positioned in the box body; the gate assembly comprises a gate frame and a gate plate, the gate frame is arranged at the central position of the circumferential side surface of the box body, and the gate plate is arranged on the gate frame; the stirring motor assembly comprises a three-phase motor, the three-phase motor is in power fit connection with a hollow shaft reduction box, and the hollow shaft reduction box is in power connection with the stirring shaft so as to provide rotating power for the stirring shaft.

Preferably, the bearing pack assembly includes a bearing, a replaceable bushing, and a bearing post.

Preferably, the sludge inlet circular pipe is opposite to the sludge discharge circular pipe.

Preferably, the number of the stirring blades is set to 2 to 5.

Preferably, the opening area of the gate frame is set to 1.5 times or more the maximum surface area of the single agitating blade.

Preferably, the aperture of the pressure relief pipe is larger than that of the standby pressure relief pipe, and the pressure relief pipe and the standby pressure relief pipe are both of a grid structure.

Preferably, the length of the sludge discharge round pipe is greater than the length of the sludge inlet round pipe.

Preferably, the stirring blades are arranged at equal intervals, and the blades of every two adjacent stirring blades are arranged oppositely one above the other.

The utility model has the advantages that:

1. the utility model adopts simple and practical structural design, realizes the function of automatically stirring the sludge in the quarrying box, avoids the problem that the sludge in the quarrying box can be cleaned only by stopping tunneling, effectively solves the problem of the accumulated sludge in the quarrying box, reduces labor cost, simplifies operation process, and shortens the period of cleaning broken stones and sludge layers in the quarrying box; from the angle of safety work, use the utility model discloses a coefficient that produces potential safety hazard, risk when the clean box of quarrying case is opened in the reduction that quarrying case can also be more extensive has both been done the operating efficiency and the quality of whole tunnelling in-process again when the equipment maintenance, save the cost of labor.

2. The utility model provides a quarrying case that possesses stir silt function by oneself for provide the mechanism of circulation stirring in the box, can avoid the silt layer from the root and pile up at the excessive speed and cause quarrying case mud discharging mouth or the risk hidden danger that the circulation pipeline blockked up. The device is simple and convenient to operate, only needs to be electrified to drive the motor set to drive the stirring blade set to rotate, and automatically and circularly stir the sludge layer to continuously repeat actions. This device need not open the manual clean inside deposit of box gate often still, greatly saves cost of labor and time, except that regularly and the inspection box under the abnormal conditions outside, need not shut down the shield constructs the machine and opens the gate, is showing and is reducing the risk hidden danger that opens the gate and probably appear, and while greatly increased working efficiency guarantees the continuity and the high quality of on-the-spot tunnelling operation.

Drawings

FIG. 1 is a schematic view of the structure of a quarrying box of the present invention;

FIG. 2 is a front view of the structure of the quarrying box of the present invention;

fig. 3 is a schematic structural diagram of the stirring mechanism assembly of the quarrying box of the present invention.

In the figure: 1. a box body; 2. a bearing pack assembly; 3. a three-phase motor; 4. a hollow shaft reduction gearbox; 5. a pressure relief pipe; 6. a standby pressure relief pipe; 7. a base; 8. the sludge enters the circular pipe; 9. discharging sludge out of the circular pipe; 10. a gate frame; 11. a shutter plate; 12. a stirring blade; 13. a stirring shaft.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings, but the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

example 1:

as shown in fig. 1 to 3, the utility model discloses a quarrying box with function of self-stirring sludge, which comprises a stirring mechanism component, a quarrying box body component, a gate component and a stirring motor component, wherein the quarrying box body component comprises a box body 1, the box body 1 is used as the main body part of the quarrying box device, a base 7 for fixing the quarrying box is installed at the lower side of the box body 1, and the base 7 can be further provided with a threaded hole for fixing by screws under the condition of violent stirring; pressure release pipe 5 and reserve pressure release pipe 6 are installed to 1 upside of box, the aperture setting of pressure release pipe 5 can be greater than the aperture of reserve pressure release pipe 6, pressure release pipe 5 and reserve pressure release pipe 6 still can set up to the grid structure, the left side of box 1 is provided with silt and gets into pipe 8, the right side is provided with silt discharge pipe 9, and get into pipe 8 and the relative setting of silt discharge pipe 9 with silt, and make the length of silt discharge pipe 9 be greater than the length that silt got into pipe 8, thereby better carry out the tube coupling with circulation system mud pump.

The stirring mechanism component comprises a stirring shaft 13; the bearing package component 2 is arranged on the stirring shaft 13, the bearing package component 2 comprises a bearing, a replaceable bush and a bearing column, the stirring shaft 13 is flexibly rotated in the box body 1 through the matching of the bearing package component 2, the stirring shaft 13 is positioned and arranged on the central axis of the box body 1 through the connection matching of the bearing package component 2, namely, the whole stirring mechanism component is arranged on the box body 1 through the connection structure of the bearing package component 2, so that the positioning and the installation of the stirring mechanism component and the stirring mechanism are completed, the bearing package component 2 is arranged and positioned with the box body 1 and is also positioned and arranged with the stirring shaft 13, the stirring blades 12 are arranged on the stirring shaft 13 arranged in the box body 1, the stirring blades 12 are arranged in the box body 1, the number of the stirring blades 12 is 2-5, the utility model discloses a preferable 3 stirring blades 12 are arranged at equal intervals in pairs, and the blades of every two adjacent stirring blades 12 are arranged oppositely one above the other, so that the blades are parallel to a plane, and a better stirring effect is achieved.

The gate assembly comprises a gate frame 10 and a gate plate 11, the gate assembly is mainly used for cleaning residual broken stones and sludge by periodically opening the gate plate 11 by an operator, the gate frame 10 is arranged at the central position of the circumferential side surface of the box body 1, and the gate plate 11 is arranged on the gate frame 10; the opening area of the gate frame 10 needs to be set to be more than 1.5 times of the maximum surface area of a single stirring blade 12, so as to ensure that the whole design size of the gate frame 10 needs to ensure that the stirring blade 12 can enter and exit the box body 1, and the gate frame has the functions of dismounting and maintenance.

The stirring motor subassembly includes three-phase motor 3, three-phase motor 3 establishes power fit with hollow shaft reducing gear box 4 and is connected, thereby hollow shaft reducing gear box 4 establishes power connection with (mixing) shaft 13 again and provides rotary power for (mixing) shaft 13, it rotates to drive stirring vane 12 by (mixing) shaft 13 again, thereby play the function of stirring to the silt in the box 1, (mixing) shaft 13 supports whole rabbling mechanism subassembly and stirring motor subassembly, and the length of (mixing) shaft 13 is confirmed by the inner space of box 1 and stirring motor subassembly's installation space.

When the quarrying box device shown in fig. 1 to fig. 3 is used, the quarrying box uses the sludge to enter the pipe 8 and the sludge discharge pipe 9 into the pipeline of the slurry discharge pump of the circulation system, and provides electric energy for the three-phase motor 3, so as to drive the whole stirring mechanism assembly to act, the stirring mechanism assembly is powered by the stirring motor assembly, and further the stirring blade 12 is driven to circularly rotate and stir the sludge layer, thereby effectively avoiding the sludge from forming accumulation too fast, meanwhile, under the driving of the circulating flow rate of the P0 pump, part of the crushed stone particles and the sludge are discharged through the sludge discharge pipe, and only the gate plate 11 is required to be stopped periodically to check the accumulation condition of the sediments in the box body 1 and the box body 1 is required to be cleaned on site; need not to carry out other extra any work, if at the stirring in-process, 1 internal pressure of box is too big, still can open pressure release pipe 5 and carry out inside pressure release, and can be according to the internal pressure size, open the release that carries out pressure in step with other reserve pressure release pipe 6, this device quarrying case makes the long-term mechanism of formation circulation stirring in the box 1, avoid the broken stone and silt in the box 1 to block up mud discharging mouth or circulation pipeline, obviously reduce the number of times that the operation personnel opened the clean box 1 of floodgate board 11, reach and reduce the risk that the potential safety hazard appears.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (8)

1. A quarrying box with a function of automatically stirring sludge comprises a stirring mechanism assembly, a quarrying box body assembly, a gate assembly and a stirring motor assembly, and is characterized in that the quarrying box body assembly comprises a box body, a base is mounted on the lower side of the box body, a pressure relief pipe and a standby pressure relief pipe are mounted on the upper side of the box body, a sludge inlet circular pipe is arranged on the left side of the box body, and a sludge outlet circular pipe is arranged on the right side of the box body; the stirring mechanism component comprises a stirring shaft; the stirring shaft is provided with a bearing pack assembly, is positioned and installed on the central axis of the box body by utilizing the connection matching of the bearing pack assembly, and is provided with stirring blades so that the stirring blades are positioned in the box body; the gate assembly comprises a gate frame and a gate plate, the gate frame is arranged at the central position of the circumferential side surface of the box body, and the gate plate is arranged on the gate frame; the stirring motor assembly comprises a three-phase motor, the three-phase motor is in power fit connection with a hollow shaft reduction box, and the hollow shaft reduction box is in power connection with the stirring shaft so as to provide rotating power for the stirring shaft.

2. The quarrying box with the function of self-stirring sludge according to claim 1, wherein the bearing pack assembly comprises a bearing, a replaceable bushing and a bearing column.

3. The quarrying box with the function of self-stirring sludge according to claim 1, wherein the sludge inlet pipe is arranged opposite to the sludge discharge pipe.

4. The quarrying box with a function of self-stirring sludge according to claim 1, wherein the number of the stirring blades is set to 2-5.

5. The quarrying box with a function of self-stirring sludge according to claim 1, wherein the opening area of the gate frame is set to be 1.5 times or more the maximum surface area of a single stirring blade.

6. The quarrying box with the function of self-stirring sludge according to claim 1, wherein the aperture of the pressure relief pipe is larger than that of the spare pressure relief pipe, and the pressure relief pipe and the spare pressure relief pipe are both in a grid structure.

7. The quarrying box with the function of self-stirring sludge according to claim 1, wherein the length of the sludge discharge pipe is greater than the length of the sludge inlet pipe.

8. The quarrying box with the function of self-stirring sludge according to claim 1 or 4, wherein the stirring blades are arranged at equal intervals and the blades of every two adjacent stirring blades are arranged oppositely one above the other.

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