CN110847918A

CN110847918A - Grouting system of shield machine for tunnel construction

Info

Publication number: CN110847918A
Application number: CN201911160739.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Mo Qingfeng
Current assignee: Mo Qingfeng
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-02-28

Abstract

The invention relates to the technical field of shield machines, and discloses a grouting system of a shield machine for tunnel construction. This slip casting system of shield machine for tunnel construction, through setting up the second workbin, first material case and rectangle case, store accelerator and mud respectively in second workbin and first material case, final accelerator and mud mix in the rectangle case, can know when starting micro motor through the intermeshing relation between helical gear, the direction of rotation of two pivots is opposite, then the direction of rotation between two stirring leaves is opposite, utilize the stirring leaf to stir accelerator and the mud of the inside mixture of rectangle incasement, guarantee accelerator and mud can be stirred evenly, improve the efficiency of shield machine follow-up operation.

Description

Grouting system of shield machine for tunnel construction

Technical Field

The invention relates to the technical field of shield tunneling machines, in particular to a grouting system of a shield tunneling machine for tunnel construction.

Background

The shield machine is a short for shield tunnel boring machine, is a device for boring a tunnel, and is generally divided into a hand-boring shield, an extrusion shield, a semi-mechanical shield and the like.

The shield constructs the machine and need pour into mud into to the shield structure machine when excavating the tunnel, current shield constructs the machine and generally adopts single tube slip casting and double-barrelled slip casting, single tube slip casting need guarantee that the mud of pouring into can condense very fast when getting into inside the shield structure machine, so the length of pipeline needs enough long, the length overlength of pipeline, can remain a large amount of mud in the pipeline at last, so double-barrelled slip casting mode adopts more, but inside accelerating agent and the mud of double-barrelled slip casting directly pour into the shield structure machine into, accelerating agent and mud mix inhomogeneously, influence the subsequent operation of shield structure machine, the practicality of reduction device.

Disclosure of Invention

The invention provides a grouting system of a shield machine for tunnel construction, which has the advantage of uniformly mixing an accelerator and slurry and solves the problems in the background technology.

The invention provides the following technical scheme: a grouting system of a shield machine for tunnel construction comprises a base, wherein a shield machine main body is fixedly installed on the left side of the top of the base, a bottom plate positioned on the right side of the shield machine main body is fixedly installed on the top of the base, baffles are fixedly installed on the left side and the right side of the top of the bottom plate, the number of the baffles is two, a first material box and a second material box are fixedly installed at the front end and the rear end of the right side of the top of the base respectively, first communicating pipes are fixedly installed at the left bottoms of the first material box and the second material box respectively, first valves are fixedly sleeved on the first communicating pipes, second valves positioned on the left sides of the first valves are fixedly sleeved on the first communicating pipes, the number of the first communicating pipes is two, the other sides of the two first communicating pipes are fixedly connected through Y-shaped pipelines, and a rectangular box is, the middle part fixed mounting of rectangle case opposite side has the second to communicate with each other, the opposite side of second communicating with each other run through the left side baffle and with the right side fixed connection of shield structure machine main part, one side fixed mounting at the second communicating pipe back has the third communicating pipe, the middle part fixed mounting of third communicating pipe has the third valve.

Carefully, the middle part fixed mounting of rectangle case has the U template, one side and the external intercommunication at the U template back, the bottom fixed mounting of U template has the L template, the top fixed mounting of L template has micro motor, micro motor's output shaft runs through and extends to the outside of L template and cup joints with first loop bar is fixed, the fixed cover of opposite side of first loop bar has been cup jointed first helical gear, the right side meshing of first helical gear has the second helical gear, the second loop bar has been cup jointed in the activity of one side at the second helical gear back, the opposite side and the L template fixed connection of second loop bar.

Carefully, the quantity of second valve is two, and the equal fixed mounting of lateral surface of two second valves has the connecting plate, the top fixed mounting of connecting plate has the electron flow meter.

And selecting the diameter value and the width value of the first bevel gear and the second bevel gear to be equal.

Choice, the bottom fixed mounting of U template has the connecting block, the opposite side fixed mounting of connecting block has the cover piece, the pivot has been cup jointed in the equal activity in both sides of cover piece, it has third bevel gear to fix the cover in the pivot, the equal fixed mounting in the left and right sides of rectangle incasement chamber has the limiting plate, the opposite side of pivot runs through and extends to the inside of rectangle case and cup joints with the limiting plate activity, fixed cup joint has the stirring leaf in the pivot.

Carefully selecting, the number of third helical gear is two, and two third helical gears mesh with first helical gear and second helical gear respectively, third helical gear is located the inside of U template.

Carefully, the quantity of stirring leaf is two, two the stirring leaf divide into the left and right sides that is located rectangle incasement chamber, and the rotation direction of two stirring leaves is opposite.

Carefully selecting, the width values of the limiting plate and the U-shaped plate are equal, and the width values of the limiting plate and the U-shaped plate are smaller than the width value of the inner cavity of the rectangular box.

The invention has the following beneficial effects:

1. this slip casting system of shield machine for tunnel construction, through setting up the second workbin, first material case and rectangle case, store accelerator and mud respectively in second workbin and first material case, final accelerator and mud mix in the rectangle case, can know when starting micro motor through the intermeshing relation between helical gear, the direction of rotation of two pivots is opposite, then the direction of rotation between two stirring leaves is opposite, utilize the stirring leaf to stir accelerator and the mud of the inside mixture of rectangle incasement, guarantee accelerator and mud can be stirred evenly, improve the efficiency of shield machine follow-up operation.

2. This slip casting system of shield machine for tunnel construction through setting up second valve and electronic flowmeter, through rotating the flow of the inside accelerator of first connecting pipe and mud of second valve regulation, electronic flowmeter can carry out accurate calculation to the flow of the inside solid of first connecting pipe, and the ratio of accelerator and mud that can be as required reaches the best, can solidify fast when guaranteeing that the mud after mixing gets into the shield machine main part.

3. This slip casting system of shield machine for tunnel construction through setting up the third valve, when needs wash the pipeline, opens the third valve and annotates water to first material case and second workbin and can clear up the pipeline, and is very convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of a rectangular box of the present invention;

FIG. 3 is a cross-sectional view of a rectangular box of the present invention.

In the figure: 1. a base; 2. a base plate; 3. a first material tank; 4. a baffle plate; 5. a third bevel gear; 6. a shield tunneling machine main body; 7. a second communicating pipe; 8. a third valve; 9. a rectangular box; 10. a Y-shaped pipeline; 11. a first valve; 12. stirring blades; 13. an electronic flow meter; 14. a second material box; 15. a first communication pipe; 16. a connecting plate; 17. a second valve; 18. a rotating shaft; 19. a limiting plate; 20. a first helical gear; 21. a first loop bar; 22. a micro motor; 23. an L-shaped plate; 24. a second loop bar; 25. a second helical gear; 26. sleeving blocks; 27. connecting blocks; 28. a U-shaped plate; 29. and a third communication pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a grouting system of a shield machine for tunnel construction comprises a base 1, a shield machine main body 6 is fixedly installed on the left side of the top of the base 1, a bottom plate 2 positioned on the right side of the shield machine main body 6 is fixedly installed on the top of the base 1, baffles 4 are fixedly installed on the left and right sides of the top of the bottom plate 2, the number of the baffles 4 is two, a first material tank 3 and a second material tank 14 are respectively and fixedly installed on the front and rear ends of the right side of the top of the base 1, a first communicating pipe 15 is fixedly installed at the left bottom of each of the first material tank 3 and the second material tank 14, a first valve 11 is fixedly connected to the first communicating pipe 15, a second valve 17 positioned on the left side of the first valve 11 is fixedly connected to the first communicating pipe 15, wherein the number of the second valves 17 is two, and a connecting plate, an electronic flowmeter 13 is fixedly installed at the top of the connecting plate 16, setting a second valve 17 and the electronic flowmeter 13 to inject a quick setting agent and a slurry raw material into the first material tank 3 and the second material tank 14 respectively, starting to enable the first valve 11 to be in a completely closed state, adjusting the flow of the quick setting agent and the slurry in the first connecting pipe 15 by rotating the second valve 17, enabling the electronic flowmeter 13 to accurately calculate the flow of solids in the first connecting pipe 15, optimizing the ratio of the quick setting agent and the slurry according to requirements, ensuring that the mixed slurry can be quickly solidified when entering the shield machine main body 6, stopping rotating the second valve 17 when the second valve 17 is adjusted to a proper position, opening the first valve 11, enabling the number of the first connecting pipes 15 to be two, fixedly connecting the other sides of the two first connecting pipes 15 through a Y-shaped pipeline 10, fixedly installing a rectangular tank 9 at the other side of the Y-shaped pipeline 10, through the arrangement of the second material box 14, the first material box 3 and the rectangular box 9, the setting accelerator and the slurry are respectively stored in the second material box 14 and the first material box 3, finally the setting accelerator and the slurry are mixed in the rectangular box 9, and the mutual meshing relationship between the helical gears shows that when the micro motor 22 is started, the rotating directions of the two rotating shafts 18 are opposite, the rotating directions of the two stirring blades 12 are opposite, the setting accelerator and the slurry mixed in the rectangular box 9 are stirred by the stirring blades 12, the uniform stirring of the setting accelerator and the slurry is ensured, and the efficiency of the subsequent operation of the shield tunneling machine is improved, wherein the U-shaped plate 28 is fixedly installed in the middle of the rectangular box 9, one side of the back surface of the U-shaped plate 28 is communicated with the outside, the L-shaped plate 23 is fixedly installed at the bottom of the U-shaped plate 28, the micro motor 22 is fixedly installed at the top of the L-shaped plate 23, the output shaft of the micro motor 22 penetrates through and extends to, the other side of the first loop bar 21 is fixedly sleeved with a first helical gear 20, the right side of the first helical gear 20 is engaged with a second helical gear 25, wherein the diameter value and the width value of the first helical gear 20 and the width value of the second helical gear 25 are equal, one side of the back of the second helical gear 25 is movably sleeved with a second loop bar 24, the other side of the second loop bar 24 is fixedly connected with an L-shaped plate 23, the middle part of the other side of the rectangular box 9 is fixedly provided with a second communicating pipe 7, the other side of the second communicating pipe 7 penetrates through the left baffle 4 and is fixedly connected with the right side of the shield machine main body 6, one side of the back of the second communicating pipe 7 is fixedly provided with a third communicating pipe 29, the middle part of the third communicating pipe 29 is fixedly provided with a third valve 8, if the pipeline needs to be cleaned, water is injected into the first material box 3 and the second material box 14, all the valves are opened, and finally the water flows, the pipeline cleaning device can clean a pipeline conveniently, wherein a connecting block 27 is fixedly installed at the bottom of a U-shaped plate 28, a sleeve block 26 is fixedly installed at the other side of the connecting block 27, a rotating shaft 18 is movably sleeved on both sides of the sleeve block 26, third bevel gears 5 are fixedly sleeved on the rotating shaft 18, the number of the third bevel gears 5 is two, the two third bevel gears 5 are respectively meshed with a first bevel gear 20 and a second bevel gear 25, the third bevel gears 5 are positioned in the U-shaped plate 28, limiting plates 19 are fixedly installed on the left side and the right side of an inner cavity of a rectangular box 9, the width values of the limiting plates 19 and the U-shaped plate 28 are equal, the width values of the limiting plates 19 and the U-shaped plate 28 are smaller than that of the inner cavity of the rectangular box 9, the limiting plates 19 and the U-shaped plate 28 are prevented from blocking a passage of a setting accelerator and slurry, the other side of the rotating shaft 18 penetrates through and extends to the inner, the rotating shaft 18 is fixedly sleeved with two stirring blades 12, the number of the stirring blades 12 is two, the two stirring blades 12 are positioned on the left side and the right side of the inner cavity of the rectangular box 9, and the rotating directions of the two stirring blades 12 are opposite.

The working principle is as follows: when the quick-setting admixture and the slurry raw materials are respectively injected into the first material tank 3 and the second material tank 14, the first valve 11 is started to be in a completely closed state, the second valve 17 is adjusted according to needs, the electronic flowmeter 13 detects the flow rate of solids in the first communication pipe 15, when the second valve 17 is adjusted to a proper position, the second valve 17 is stopped to rotate, the first valve 11 is opened, the micro motor 22 is started, the mixed quick-setting admixture and the slurry enter the rectangular tank 9 through the Y-shaped pipe 10, the micro motor 22 is started, the first bevel gear 20 and the second bevel gear 25 rotate, the rotating directions of the first bevel gear 20 and the second bevel gear 25 are opposite, finally, the rotating directions of the two rotating shafts 18 are opposite, the rotating directions of the two stirring blades 12 are opposite, and the quick-setting admixture and the slurry are uniformly mixed due to the rotating directions of the two stirring blades 12 are opposite, and (3) conveying the mixed slurry into an outer ring of a shield machine main body 6 through a second communicating pipe 7, if the pipeline needs to be cleaned, injecting water into the first material box 3 and the second material box 14, opening all valves, and finally, allowing the water to flow out of a third valve 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

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. The utility model provides a tunnel construction is with slip casting system of shield machine, includes base (1), its characterized in that: the shield machine is characterized in that a shield machine main body (6) is fixedly mounted on the left side of the top of the base (1), a bottom plate (2) located on the right side of the shield machine main body (6) is fixedly mounted at the top of the base (1), baffles (4) are fixedly mounted on the left and right sides of the top of the bottom plate (2), the number of the baffles (4) is two, a first material box (3) and a second material box (14) are fixedly mounted at the front end and the rear end of the right side of the top of the base (1) respectively, a first communicating pipe (15) is fixedly mounted at the left bottom of the first material box (3) and the left bottom of the second material box (14), a first valve (11) is fixedly connected onto the first communicating pipe (15), a second valve (17) located on the left side of the first valve (11) is fixedly connected onto the first communicating pipe (15), the number of the first communicating pipe (15) is two, the other side of the first, the opposite side fixed mounting of Y type pipeline (10) has rectangle case (9), the middle part fixed mounting of rectangle case (9) opposite side has second communicating pipe (7), the opposite side of second communicating pipe (7) run through left side baffle (4) and with the right side fixed connection of shield structure machine main part (6), one side fixed mounting at the second communicating pipe (7) back has third communicating pipe (29), the middle part fixed mounting of third communicating pipe (29) has third valve (8).

2. The grouting system of the shield machine for tunnel construction according to claim 1, characterized in that: the middle part fixed mounting of rectangle case (9) has U template (28), one side and the external world intercommunication at U template (28) back, the bottom fixed mounting of U template (28) has L template (23), the top fixed mounting of L template (23) has micro motor (22), the output shaft of micro motor (22) runs through and extends to the outside of L template (23) and cup joints with first loop bar (21) is fixed, first helical gear (20) have been fixed to cup jointed by the opposite side of first loop bar (21), the right side meshing of first helical gear (20) has second helical gear (25), second loop bar (24) have been cup jointed in the activity of one side at second helical gear (25) back, the opposite side and L template (23) fixed connection of second loop bar (24).

3. The grouting system of the shield machine for tunnel construction according to claim 1, characterized in that: the quantity of second valve (17) is two, and the equal fixed mounting of lateral surface of two second valve (17) has connecting plate (16), the top fixed mounting of connecting plate (16) has electron flowmeter (13).

4. The grouting system of the shield machine for tunnel construction according to claim 2, characterized in that: the diameter value and the width value of the first bevel gear (20) and the second bevel gear (25) are equal.

5. The grouting system of the shield machine for tunnel construction according to claim 2, characterized in that: the bottom fixed mounting of U template (28) has connecting block (27), the opposite side fixed mounting of connecting block (27) has cover block (26), pivot (18) have been cup jointed in the equal activity in both sides of cover block (26), fixed cover has been cup jointed third bevel gear (5) in pivot (18), the equal fixed mounting in the left and right sides of rectangle case (9) inner chamber has limiting plate (19), the opposite side of pivot (18) runs through and extends to the inside of rectangle case (9) and cup joints with limiting plate (19) activity, fixed cover has been cup jointed stirring leaf (12) in pivot (18).

6. The grouting system of the shield machine for tunnel construction according to claim 5, characterized in that: the number of the third helical gears (5) is two, the two third helical gears (5) are respectively meshed with the first helical gear (20) and the second helical gear (25), and the third helical gears (5) are located inside the U-shaped plate (28).

7. The grouting system of the shield machine for tunnel construction according to claim 5, characterized in that: the number of stirring leaf (12) is two, two stirring leaf (12) divide into the left and right sides that is located rectangle case (9) inner chamber, and the rotation direction of two stirring leaf (12) is opposite.

8. The grouting system of the shield machine for tunnel construction according to claim 5, characterized in that: the width values of the limiting plates (19) and the U-shaped plates (28) are equal, and the width values of the limiting plates (19) and the U-shaped plates (28) are smaller than the width value of the inner cavity of the rectangular box (9).