CN111453320A

CN111453320A - Subway shield constructs construction and prevents defeated material equipment of jam

Info

Publication number: CN111453320A
Application number: CN202010415768.0A
Authority: CN
Inventors: 张自光; 赵新建; 曹培喜; 董洁; 汪俊
Original assignee: Anhui Sanjian Engineering Co Ltd
Current assignee: Anhui Sanjian Engineering Co Ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2020-07-28

Abstract

The invention discloses anti-blocking material conveying equipment for subway shield construction, and relates to the technical field of subway shield construction. According to the invention, the slurry materials are firstly treated by the treatment bin, so that the slurry materials are more balanced, meanwhile, the spiral conveying pipe is more conveniently connected with the lengthening pipe, the inner wall of the pipeline is treated by the scraper, the cleaning efficiency of the inner wall of the pipeline is high, the slurry materials are prevented from being bonded to the pipe wall to block the inner wall of the pipeline during conveying, and the risk of blocking the conveying pipeline is reduced.

Description

Subway shield constructs construction and prevents defeated material equipment of jam

Technical Field

The invention relates to the technical field of subway shield construction, in particular to anti-blocking material conveying equipment for subway shield construction.

Background

The shield construction method has the advantages of high automation degree, low labor intensity, good safety, high speed and the like, and is widely applied to urban subway tunnel construction. The shield construction method mainly comprises three major elements of tunnel face stabilization, tunneling, slag discharge, segment assembly and backfill grouting, wherein the backfill grouting needs to transport slurry to a shield machine, so that a material conveying device is needed to complete the slurry conveying work. The invention relates to a material conveying device for subway shield construction.

In the construction of the existing subway shield, the components of grouting materials mainly comprise cement, sand, bentonite, fly ash and the like. Because cement among the material thick liquid etc. can take place chemical reaction with water, air, therefore the material solidifies or the caking easily, and current thick liquid material is in transportation process in addition, and the majority adopts the pipeline to carry, consequently long-time use, the material can be at the pipeline inner wall clot to cause the problem of jam, and get rid of and solidify the caking and can consume the plenty of time with washing pipeline work in, influence normal construction operation. Therefore, the technical personnel in the field provide a material conveying device for preventing blockage in subway shield construction, so as to solve the problems in the background technology.

Disclosure of Invention

The invention aims to provide anti-blocking material conveying equipment for subway shield construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a material conveying device for preventing blockage in subway shield construction comprises a base, wherein a material conveying bin is arranged at the upper end of the base, and the upper end of the base is provided with a water tank at one side of the conveying bin, one side of the water tank is provided with a feeding machine box, the upper end of the material conveying bin is communicated with a processing bin, the upper surface of the processing bin is provided with a material inlet, the lower end of the front side surface of the material conveying bin is connected with a material discharging pipe, the lower end of the material discharging pipe is positioned at the front side of the base and is communicated with a spiral material conveying pipe, one end of the spiral material conveying pipe is communicated with an extension pipe, and the other end of the spiral conveying pipe is positioned in the base and is connected with a first feeding motor, the two side surfaces of the conveying bin are correspondingly provided with lower connecting pipes, the both sides face correspondence of handling the storehouse is provided with the connecting pipe, a side bottom of water tank is connected with main water pipe, the inside in handling the storehouse is crisscross each other to have the second to cut roller and first roller of cutting.

As a further scheme of the invention: the one end department that the upper surface of pay-off machine case is located the outside of handling the storehouse and corresponds the second and cut the roller is provided with second driving motor, and the one end department that the upper surface of pay-off machine case corresponds first roller of cutting is provided with first driving motor, the switch board is installed to a side of pay-off machine case, roller and first roller parallel arrangement are cut to the second, and the one end that the roller was cut to the second runs through the output that handles storehouse and second driving motor and be connected, the one end that the roller was cut to the first runs through the output that handles storehouse and first driving motor and be connected.

As a still further scheme of the invention: the inner side wall of the treatment bin is provided with a plurality of upper spray holes at equal intervals corresponding to the upper connecting pipes, and one end of each upper spray hole penetrates through the treatment bin and is communicated with the upper connecting pipe through a pipeline.

As a still further scheme of the invention: the inside bottom of defeated feed bin is provided with main feed roll, the inside one end that corresponds main feed roll of pay-off machine case is installed the second feeding motor, the one end of main feed roll is connected with the output of second feeding motor, the inside wall of defeated feed bin corresponds down connecting pipe department equidistance and installs orifice under a plurality of, the one end of orifice runs through defeated feed bin down and is linked together through pipeline and lower connecting pipe, the inside diameter of defeated feed bin from top to bottom reduces gradually.

As a still further scheme of the invention: the water tank is characterized in that one ends of the upper connecting pipe and the lower connecting pipe are communicated with a main water pipe, a high-pressure water pump is arranged at the bottom end of the interior of the water tank, and one end of the main water pipe penetrates through the water tank and is connected with the output end of the high-pressure water pump.

As a still further scheme of the invention: the inside of extension pipe and spiral conveying pipe all is provided with vice feed roll, the one end of vice feed roll is connected with the output of first pay-off motor in the spiral conveying pipe, the surface of vice feed roll is provided with the spiral leaf, a plurality of scraper is installed to the outside limit equidistance of spiral leaf, there is the clearance between the inside wall of extension pipe and spiral conveying pipe and the scraper.

As a still further scheme of the invention: the utility model discloses a screw feeder, including elongated tube and spiral conveying pipeline, one end surface of elongated tube is close to flange's one side and has seted up connection window, the last articulated sealing door that has of connection window, the position that the one end of the interior vice feed roll of elongated tube corresponds connection window is connected with the connecting sleeve, and the other end of the interior vice feed roll of elongated tube and spiral conveying pipeline all is connected with the inserted bar.

As a still further scheme of the invention: the outer surfaces of the connecting sleeve and the insertion rod are correspondingly provided with positioning holes, the inner diameter of the connecting sleeve is matched with the outer diameter of the insertion rod, the lengthening pipe is fixedly connected with the spiral conveying pipe through the connecting flange, and the auxiliary feeding roller in the lengthening pipe and the spiral conveying pipe is fixedly connected with the insertion rod through the connecting sleeve.

Compared with the prior art, the invention has the beneficial effects that: the invention designs a subway shield construction anti-blocking material conveying device, which is used in actual operation;

1. before the defeated material, because thick liquid material thing can take place to react with air and water, the time is longer, can produce and solidify or the caking, consequently through the processing storehouse that has the cutting roller of erectting on defeated feed bin, can smash the stirring to thick liquid material and handle, make the mixture of thick liquid material thing more balanced, thereby be favorable to the transport of material, avoid materials such as cement in the thick liquid material thing can take place chemical reaction with water, air, take place to solidify or the caking, thereby cause the problem of jam.

2. The spiral conveying pipe and the lengthening pipe are quickly connected through the inserted rod and the connecting sleeve, so that the spiral conveying pipe is more favorable for conveying slurry materials. Simultaneously, the scraper of establishing is added on extension pipe and the inside vice feed roll surface of spiral conveying pipeline, can clear away the pipeline inner wall when the defeated material, avoids thick liquid material to take place to solidify and bond to the pipe wall when carrying in the pipeline, uses for a long time, can cause the jam and influence the conveying efficiency of material to the pipeline.

3. Through the application of orifice and connecting pipe, can further clear up in defeated feed bin and the conveying pipeline, ensure its inside cleanliness factor, avoid having the thick liquid material thing to take place to solidify and bond to the inner wall and form the caking and influence the defeated material, this design is simple and direct not only to operate, and convenient connection is effectual to the clearance of pipe wall moreover, avoids long-time pay-off to have the thick liquid material thing to form the clot in the pipeline and influence defeated material effect, has reduced defeated material pipeline blockage's risk.

Drawings

FIG. 1 is a schematic structural diagram of a conveying device for preventing blockage in subway shield construction;

FIG. 2 is a schematic diagram of the internal structure of a treatment bin in a conveying device for preventing blockage in subway shield construction;

FIG. 3 is a schematic diagram of the internal structure of a conveying bin in a conveying device for preventing blockage in subway shield construction;

FIG. 4 is a schematic view showing the connection between a spiral delivery pipe and an extension pipe in a delivery apparatus for preventing blockage in subway shield construction;

fig. 5 is a schematic diagram of the internal structure of an elongated tube in a material conveying device for preventing blockage in subway shield construction.

In the figure: 1. a base; 2. a material conveying bin; 3. a processing bin; 4. lengthening a pipe; 5. a discharge pipe; 6. a spiral delivery pipe; 7. a main water pipe; 8. an upper connecting pipe; 9. a lower connecting pipe; 10. a first feed motor; 11. a feed inlet; 12. a first drive motor; 13. a second drive motor; 14. a water tank; 15. a feeding case; 16. a control cabinet; 17. a lower spray hole; 18. a main feed roller; 19. a secondary feed roller; 20. a scraper; 21. connecting the window; 22. a connecting flange; 23. a connecting sleeve; 24. inserting a rod; 25. positioning holes; 26. helical leaves; 31. an upper spray hole; 32. a second cutting roller; 33. a first cutting roll.

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 to 5, in an embodiment of the present invention, a material conveying device for preventing blocking in subway shield construction includes a base 1, a material conveying bin 2 disposed at an upper end of the base 1, a water tank 14 is arranged at one side of the upper end of the base 1, which is positioned at the material conveying bin 2, a material feeding machine box 15 is arranged at one side of the water tank 14, the upper end of the material conveying bin 2 is communicated with a processing bin 3, a material inlet 11 is arranged on the upper surface of the processing bin 3, a material discharging pipe 5 is connected at the lower end of the front side surface of the material conveying bin 2, the lower end of the material discharging pipe 5, which is positioned at the front side of the base 1, is communicated with a spiral material conveying pipe 6, one end of the spiral, and the other end of the spiral conveying pipe 6 is positioned in the base 1 and is connected with a first feeding motor 10, the two side surfaces of the conveying bin 2 are correspondingly provided with lower connecting pipes 9, the two side surfaces of the processing bin 3 are correspondingly provided with upper connecting pipes 8, and the bottom end of one side surface of the water tank 14 is connected with a main water pipe 7.

The inside of the processing bin 3 is staggered with a second cutting roller 32 and a first cutting roller 33, the upper surface of the feeding box 15 is positioned at the outer side of the processing bin 3 and is provided with a second driving motor 13 corresponding to one end of the second cutting roller 32, the upper surface of the feeding box 15 is provided with a first driving motor 12 corresponding to one end of the first cutting roller 33, one side surface of the feeding box 15 is provided with a control cabinet 16, the second cutting roller 32 and the first cutting roller 33 are arranged in parallel, one end of the second cutting roller 32 penetrates through the processing bin 3 and is connected with the output end of the second driving motor 13, one end of the first cutting roller 33 penetrates through the processing bin 3 and is connected with the output end of the first driving motor 12, when in material conveying, the first driving motor 12 and the second driving motor 13 can drive the first cutting roller 33 and the second cutting roller 32 to rotate, the rotation directions of the two driving motors are opposite, and further the first cutting roller 33 and the second cutting roller 32 can rotate relatively, and because of the crisscross each other of the two, can take place chemical reaction with water, air because of cement in the thick liquid material, make the material solidify easily or the caking, so can cut up the stirring to the thick liquid material clot that exists in the material thing that gets into, ensure the homogeneity of thick liquid material for the thick liquid material is more balanced, thereby is favorable to the transport of material, avoids appearing blocking phenomenon.

A plurality of upper spray holes 31 are equidistantly arranged on the inner side wall of the processing bin 3 corresponding to the upper connecting pipe 8, one end of each upper spray hole 31 penetrates through the processing bin 3 and is communicated with the upper connecting pipe 8 through a pipeline, a main feed roller 18 is arranged at the bottom end inside the conveying bin 2, a second feed motor is arranged at one end inside the feeding case 15 corresponding to the main feed roller 18, one end of the main feed roller 18 is connected with the output end of the second feed motor, a plurality of lower spray holes 17 are equidistantly arranged on the inner side wall of the conveying bin 2 corresponding to the lower connecting pipe 9, one end of each lower spray hole 17 penetrates through the conveying bin 2 and is communicated with the lower connecting pipe 9 through a pipeline, the inner diameter of the conveying bin 2 is gradually reduced from top to bottom, one end of each upper connecting pipe 8 and one end of each lower connecting pipe 9 are communicated with a main water pipe 7, a high-pressure water pump is arranged at the bottom, through adding at processing storehouse 3 and 2 inner walls of defeated feed bin and establishing the orifice, and the port inboard of orifice adds and is equipped with one-way piece, and then after the defeated material is ended, can be through water under high pressure pump with the water in the water tank 14 by main water pipe 7 suction to last connecting pipe 8 under with in the connecting pipe 9, and then by last orifice 31 and the blowout of orifice 17 down that last connecting pipe 8 and connecting pipe 9 are connected respectively, and then can carry out high pressure flushing to processing storehouse 3 and defeated feed bin 2 insidely, avoid the thick liquid material thing residue that leaves over to solidify the caking in its inside and influence reuse, the inside sanitary quality has been improved.

The inside of extension tube 4 and spiral delivery pipe 6 is all provided with vice feed roller 19, one end of vice feed roller 19 is connected with the output of first pay-off motor 10 in the spiral delivery pipe 6, the surface of vice feed roller 19 is provided with spiral leaf 26, a plurality of scrapers 20 are installed to the outside limit equidistance of spiral leaf 26, there is the clearance between the inside wall of extension tube 4 and spiral delivery pipe 6 and scrapers 20, the junction of extension tube 4 and spiral delivery pipe 6 is provided with flange 22, one end surface of extension tube 4 is close to one side of flange 22 and is seted up connecting window 21, the last articulated sealing door that has of connecting window 21, the position that one end of vice feed roller 19 corresponds connecting window 21 in extension tube 4 is connected with connecting sleeve 23, and the other end of vice feed roller 19 in extension tube 4 and spiral delivery pipe 6 all is connected with inserted bar 24, the surface of connecting sleeve 23 and inserted bar 24 all corresponds has locating hole 25, the inner diameter of the connecting sleeve 23 is matched with the outer diameter of the inserting rod 24, the lengthening pipe 4 is fixedly connected with the spiral conveying pipe 6 through the connecting flange 22, the lengthening pipe 4 is fixedly connected with the auxiliary feeding roller 19 in the spiral conveying pipe 6 through the connecting sleeve 23 and the inserting rod 24, the spiral conveying pipe 6 is adopted to convey materials, the conveying efficiency of slurry materials can be improved, the slurry materials are not easy to block, the conveying pipe can be lengthened by matching with the action of the lengthening pipe 4, the lengthening pipe 4 is connected with the spiral conveying pipe 6 through the connecting flange 22 and matching with a bolt, the auxiliary feeding roller 19 in the lengthening pipe 4 and the auxiliary feeding roller 19 in the spiral conveying pipe 6 are directly inserted and combined through the inserting rod 24 and the connecting sleeve 23 and are directly fixed through the bolt and the positioning hole 25, the connection is convenient, the dismounting is simple, and the scraper 20 is erected on the spiral blade 26 on the surface of the auxiliary feeding roller 19, the inner walls of the lengthened pipe 4 and the spiral conveying pipe 6 can be scraped while the spiral blades 26 convey materials, so that the slurry materials are prevented from reacting with water and air to be solidified and bonded on the inner walls of the lengthened pipe 4 and the spiral conveying pipe 6, the conveying of the materials is influenced, the probability of pipeline blockage is reduced, the conveying pipeline is easier to clean, and the operation is simple and convenient.

The working principle of the invention is as follows: the invention firstly feeds the slurry material into the processing bin 3 through the feed inlet 11, and the slurry material is cut and stirred by the relative rotation of the first cutting roller 33 and the second cutting roller 32 in the processing bin 3 to solidify or agglomerate generated by the reaction of the slurry material with water and air, so as to ensure the uniformity of the slurry material, thus leading the slurry material to be more balanced, thereby being beneficial to the material conveying and avoiding the blockage phenomenon, and the processed slurry material falls into the conveying bin 2, is conveyed by the main feed roller 18 at the bottom end inside the conveying bin 2, and is fed into the spiral conveying pipe 6 from the discharge pipe 5, and is matched by the first feed motor 10 at one end of the spiral conveying pipe 6 to realize the material conveying, and the matching of the lengthening pipe 4 can lengthen the conveying pipe, thereby being convenient for realizing the remote material conveying, and simultaneously, the design of the scrapers 20 on the surfaces of the auxiliary feed rollers 19 in the spiral conveying pipe 6 and the lengthening pipe 4, when materials are conveyed inside the spiral conveying pipe 6 and the lengthened pipe 4, slurry materials adhered to the inner walls of the spiral conveying pipe 6 and the lengthened pipe 4 can be scraped, so that the problem that the slurry materials are adhered to the inner walls of the spiral conveying pipe and solidified for a long time to cause pipeline blockage is solved, the blockage risk is reduced, and the conveying efficiency is improved;

after the material conveying is finished, water in the water tank 14 is pumped into the upper connecting pipe 8 and the lower connecting pipe 9 through the main water pipe 7 through the high-pressure water pump, and then is sprayed out of the upper spray hole 31 and the lower spray hole 17 which are connected with the upper connecting pipe 8 and the lower connecting pipe 9 respectively, so that the interior of the treatment bin 3 and the interior of the material conveying bin 2 can be subjected to high-pressure washing, the phenomenon that the left slurry material residues are solidified in the interior of the treatment bin to influence reuse is avoided, the sanitation quality of the interior of the treatment bin is improved, meanwhile, the spiral material conveying pipe 6 and the extension pipe 4 can be washed, the cleanness of the interior of the material conveying pipe is ensured, and the blockage of the pipeline is avoided.

It should be noted that the types of the first driving motor 12, the second driving motor 13, the first feeding motor 10 and the second feeding motor are Y90L-4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a subway shield constructs defeated material equipment of jam that construction prevents, includes base (1), its characterized in that, the upper end of base (1) is provided with defeated feed bin (2), and one side that the upper end of base (1) is located defeated feed bin (2) is provided with water tank (14), one side of water tank (14) is provided with pay-off machine case (15), the upper end intercommunication of defeated feed bin (2) has processing bin (3), the last surface mounting who handles bin (3) has feed inlet (11), the leading flank lower extreme of defeated feed bin (2) is connected with discharging pipe (5), the front side intercommunication that the lower extreme of discharging pipe (5) is located base (1) has spiral conveying pipe (6), the one end intercommunication of spiral conveying pipe (6) has elongated tube (4), and the internal connection that the other end of spiral conveying pipe (6) is located base (1) has first pay-off motor (10), the both sides face correspondence of defeated feed bin (2) is provided with down connecting pipe (9), the both sides face correspondence of handling storehouse (3) is provided with connecting pipe (8), a side bottom of water tank (14) is connected with main water pipe (7), the inside of handling storehouse (3) is crisscross each other has the second to cut roller (32) and first roller (33) of cutting.

2. The material conveying equipment for the subway shield construction anti-blocking according to claim 1, wherein a second driving motor (13) is arranged at one end, corresponding to the second cutting roller (32), of the outer side of the processing bin (3) of the upper surface of the feeding cabinet (15), a first driving motor (12) is arranged at one end, corresponding to the first cutting roller (33), of the upper surface of the feeding cabinet (15), a control cabinet (16) is installed on one side surface of the feeding cabinet (15), the second cutting roller (32) and the first cutting roller (33) are arranged in parallel, one end of the second cutting roller (32) penetrates through the processing bin (3) and is connected with the output end of the second driving motor (13), and one end of the first cutting roller (33) penetrates through the processing bin (3) and is connected with the output end of the first driving motor (12).

3. The material conveying equipment for preventing blockage in subway shield construction according to claim 1, wherein a plurality of upper spray holes (31) are equidistantly installed on the inner side wall of the treatment bin (3) corresponding to the upper connecting pipe (8), and one end of each upper spray hole (31) penetrates through the treatment bin (3) and is communicated with the upper connecting pipe (8) through a pipeline.

4. The material conveying equipment capable of preventing blockage in subway shield construction according to claim 1, wherein a main feed roller (18) is arranged at the bottom end of the inside of the material conveying bin (2), a second feed motor is installed at one end, corresponding to the main feed roller (18), of the inside of the material conveying cabinet (15), one end of the main feed roller (18) is connected with the output end of the second feed motor, a plurality of lower spray holes (17) are installed at positions, corresponding to the lower connecting pipe (9), of the inner side wall of the material conveying bin (2) at equal intervals, one end of each lower spray hole (17) penetrates through the material conveying bin (2) and is communicated with the lower connecting pipe (9) through a pipeline, and the inside diameter of the material conveying bin (2) is gradually reduced from top to bottom.

5. The material conveying equipment for preventing blockage in subway shield construction as claimed in claim 1, wherein one end of each of the upper connecting pipe (8) and the lower connecting pipe (9) is communicated with a main water pipe (7), a high pressure water pump is arranged at the bottom end of the inside of the water tank (14), and one end of the main water pipe (7) penetrates through the water tank (14) to be connected with the output end of the high pressure water pump.

6. The material conveying equipment for preventing blockage in subway shield construction according to claim 1, wherein auxiliary feed rollers (19) are arranged inside the elongated pipe (4) and the spiral feed pipe (6), one end of each auxiliary feed roller (19) in the spiral feed pipe (6) is connected with the output end of the first feed motor (10), spiral blades (26) are arranged on the outer surface of each auxiliary feed roller (19), a plurality of scrapers (20) are arranged on the outer side edges of the spiral blades (26) at equal intervals, and gaps exist between the inner side walls of the elongated pipe (4) and the spiral feed pipe (6) and the scrapers (20).

7. The material conveying equipment for preventing blockage in subway shield construction according to claim 6, wherein a connecting flange (22) is arranged at the joint of the elongated pipe (4) and the spiral conveying pipe (6), a connecting window (21) is formed in one side, close to the connecting flange (22), of the surface of one end of the elongated pipe (4), a sealing door is hinged to the connecting window (21), a connecting sleeve (23) is connected to a position, corresponding to the connecting window (21), of one end of the auxiliary feeding roller (19) in the elongated pipe (4), and an inserting rod (24) is connected to the other ends of the auxiliary feeding roller (19) in the elongated pipe (4) and the spiral conveying pipe (6).

8. The material conveying equipment for preventing blockage in subway shield construction as claimed in claim 7, wherein the outer surfaces of the connecting sleeve (23) and the inserted rod (24) are correspondingly provided with positioning holes (25), the inner diameter of the connecting sleeve (23) is matched with the outer diameter of the inserted rod (24), the lengthening pipe (4) is fixedly connected with the spiral conveying pipe (6) through the connecting flange (22), and the lengthening pipe (4) is fixedly connected with the auxiliary feed roller (19) in the spiral conveying pipe (6) through the connecting sleeve (23) and the inserted rod (24).