CN210709489U - Earth pressure shield belt conveyor slag flushing device - Google Patents

Abstract

The utility model provides a soil pressure shield constructs belt feeder towards sediment device, including the belt feeder of the inside screw machine of shield structure machine organism and screw machine exit, the belt feeder row mud is served and is served the side and be equipped with first cleaning machine, the belt feeder downside is equipped with the second cleaning machine, second cleaning machine one side is equipped with the mud scraper, the mud scraper is crooked to belt feeder return stroke opposite direction, the mud scraper is equipped with the mud scraper, form the mud groove between mud scraper and the mud scraper, the mud scraper slant sets up on the mud scraper, is equipped with a plurality of shower nozzles on the first cleaning machine, the shower nozzle is towards the belt feeder surface, and the shower nozzle is fan-shaped, the top and the below of belt feeder increase the flushing line to increased one mud scraper in the below, guaranteed that the mud scraping is effectual, do not produce the raise dust, flushing unit's operation is integrated on the operation interface of control chamber, opens flushing unit before starting the belt feeder at every turn, the mud scraper passes through the elastic component and installs the downside is with the laminating the surface of the belt feeder of .

Description

Earth pressure shield belt conveyor slag flushing device

Technical Field

The utility model belongs to the technical field of tunnel tunnelling shield constructs the machine and specifically relates to a soil pressure shield constructs belt feeder and dashes sediment device is related to.

Background

The muck of the earth pressure balance shield machine is discharged onto the belt conveyor from the screw machine and then is conveyed to the storage battery car soil hopper to be transported out of the tunnel, the exposed distance of the muck on the shield machine is long, and the fallen muck and the flying dust cause great troubles to the civilized construction of the shield machine. Moreover, when the muck of the earth pressure shield machine is dry, the belt and the mud scraper directly form a dry grinding phenomenon, which affects the service life of the belt and even may cause serious belt damage failure.

On-site dust control can realize the dust fall through spraying for the delivery soil, but the control of spraying volume is a difficult problem, and the volume is big leads to generating mud and is difficult to clear up, and the volume is little then the dust fall effect is not obvious.

Chinese patent CN 202011072U "stirring station belt drum washs spray set", contains belt washing branch road, cylinder washing branch road and water supply installation, and belt washing branch road contains at least one shower nozzle a (1), and cylinder washing branch road contains at least one shower nozzle B (2), and water supply installation's pipeline links to each other with stirring station sedimentation tank (5), and the outside of belt (8) is arranged in shower nozzle a (1), and belt (8) inboard just is close to cylinder (9) are arranged in shower nozzle B (2). Adopt a plurality of shower nozzles to wash the stirring station belt, shower nozzle is more in quantity, and the spun water of shower nozzle has influenced the transportation effect of stirring station belt during the use.

Chinese patent CN 203222317U "a novel belt high-pressure gas scraper device", with this device, it can effectively remove the fine ore adhered to the surface of the return belt of the belt conveyer of the metallurgical plant, and can also make the belt avoid the abrasion of the traditional scraper, thus greatly prolonging the service life of the belt.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a soil pressure shield constructs belt feeder and dashes sediment device, solves the balanced shield structure machine of soil pressure's dregs raise dust and has caused very big puzzlement and belt and the mud scraper direct can form the dry grinding phenomenon to the civilized construction of shield structure, influences the belt life-span, probably causes the problem of more serious belt damage trouble even.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a soil pressure shield belt conveyor slag flushing device comprises a shield machine body, a screw machine inside the shield machine body and a belt conveyor at the outlet of the screw machine, wherein a first cleaning machine is arranged on the upper side surface of a mud discharging end of the belt conveyor, a second cleaning machine is arranged on the lower side surface of the belt conveyor, a mud scraping plate is arranged on one side of the second cleaning machine and bends in the reverse direction of the return stroke of the belt conveyor, a mud discharging plate is arranged on the mud scraping plate, a mud discharging groove is formed between the mud discharging plate and the mud scraping plate, and the mud discharging plate is obliquely arranged on the mud scraping plate;

be equipped with a plurality of shower nozzles on the first cleaning machine, the shower nozzle is towards the belt feeder surface, and the shower nozzle is fan-shaped.

In the preferred scheme, first cleaning machine includes the support, is equipped with the wash rack on the support, and wash rack and support sliding connection are equipped with a plurality of bottom shower nozzles below the wash rack, and the wash rack both sides are equipped with the fender, and the side is equipped with a plurality of lateral wall shower nozzles on the fender.

In the preferred scheme, the cleaning frame both ends are equipped with the cylinder, and cylinder one end is connected with the cleaning frame, and one end and leg joint.

In the preferred scheme, the direction of the side wall spray nozzle is towards the mudguard, and a plurality of holes are formed in the mudguard.

In a preferred scheme, the bottom spray head comprises a water spray opening and an air spray opening;

the cleaning frame is provided with a water inlet pipe and an air inlet pipe, the water inlet pipe is respectively communicated with the side wall spray head, the water spraying opening and the air spraying opening through an electric waterway switch, the side wall electric switch is arranged between the water spraying opening and the side wall spray head, and the electric switch is arranged between the water spraying opening and the air spraying opening;

the air inlet pipe is communicated with the air jet through an electric air path switch, and one side of the electric air path switch is provided with a proportional regulating valve;

in the preferred scheme, including plc, plc and electronic gas circuit switch, electronic water route switch, lateral wall electric switch, electric switch electricity are connected.

In a preferable scheme, the water spraying ports and the air spraying ports are arranged on the lower side surface of the cleaning rack in a staggered mode.

In the preferred scheme, the second cleaning machine comprises a bottom support, the bottom support is obliquely arranged at the bottom of the belt conveyor, the bottom cleaning frame is connected with the bottom support in a sliding mode, and a bottom cylinder is arranged between the bottom support and the bottom cleaning frame.

In a preferable scheme, a bottom side wall spray head is arranged on one side of the bottom cleaning frame.

In a preferable scheme, two sides of the mud scraping plate are provided with side scraping plates;

the mud scraper comprises a support plate, a plurality of springs are arranged between the mud scraper and the support plate, sliding columns are arranged inside the springs, and the sliding columns penetrate through the support plate and are connected with nuts.

The utility model provides a soil pressure shield constructs belt feeder towards sediment device, this device increases the washing pipeline in the top and the below of belt feeder to increased the scraper one in the below, guaranteed that the mud is effectual, do not produce the raise dust, washing unit's operation is integrated to the operation interface of control chamber, opens washing unit before starting the belt feeder at every turn, the scraper passes through the elastic component and installs the belt feeder downside is with the laminating the surface of the belt of return stroke. The spring can be chooseed for use to the elastic component, the elastic component can make the mud scraper keep the surface of the belt of fit in the return stroke under the condition in proper clearance, and because the elastic component can be compressed, when the adnexed granule is great on the surface of the belt of return stroke, the elastic component can make the mud scraper suitably retract, thereby prevent that the surface of belt from being lacerated owing to the violent extrusion between mud scraper and the granule, can open electronic valve through plc control, switch and wash the fluid that the pipeline used, the free choice uses water washing or compressed air to wash, and its simple structure, the manufacture is convenient, therefore, the clothes hanger is strong in practicability, and is suitable for being generalized to use.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a structural diagram of the shield machine body of the present invention;

FIG. 2 is a structural diagram of the belt conveyor of the present invention;

FIG. 3 is a main view of the belt conveyor of the present invention;

FIG. 4 is a side view structure diagram of the belt conveyor of the present invention;

FIG. 5 is a view showing a main view of the first washer of the present invention;

FIG. 6 is a side view structure of the first cleaning machine of the present invention;

FIG. 7 is an exploded view of the first washer of the present invention;

FIG. 8 is a view of the structure of the washing frame of the present invention;

FIG. 9 is a top view of the structure of the washing frame of the present invention;

FIG. 10 is a flow structure diagram of the pipeline of the cleaning frame of the present invention;

fig. 11 is the utility model discloses belt feeder tip part enlargements:

FIG. 12 is an exploded view of the second cleaning machine of the present invention;

FIG. 13 is a front view structural view of the mud scraper of the present invention;

FIG. 14 is a first side view of the scraper of the present invention;

FIG. 15 is a second side view of the scraper of the present invention;

in the figure: a shield machine body 1; a screw machine 101; a belt conveyor 2; a first cleaning machine 3; a bracket 301; a cylinder 302; a cleaning rack 303; a water inlet pipe 304; an intake pipe 305; a sidewall showerhead 306; a bottom shower head 307; a water spraying port a; an air jet b; a fender 308; a slide rail 309; a second cleaning machine 4; a bottom bracket 401; a bottom wash rack 402; a bottom sidewall showerhead 403; a bottom cylinder 404; a mud scraper 5; a side blade 501; a mud-discharging plate 502; a support plate 503; a sliding post 504; a spring 505; a nut 506; an electric gas circuit switch 6; an electric waterway switch 7; a water pump 8; an air pump 9; plc 10; a regulating proportional valve 11; a side wall electric switch 12; an electric switch 13.

Detailed Description

As shown in fig. 1-15, a soil pressure shield constructs belt feeder towards sediment device, belt feeder 2 including the spiral machine 101 of shield structure machine organism 1, shield structure machine 1 inside and the exit of spiral machine 101, the side is equipped with first cleaning machine 3 on the 2 mud of row of belt feeder is served, 2 downside of belt feeder is equipped with second cleaning machine 4, and 4 one sides of second cleaning machine are equipped with mud scraper 5, and mud scraper 5 is crooked in the opposite direction to the 2 return strokes of belt feeder, and mud scraper 5 is equipped with mud discharge plate 502, forms the mud groove between mud discharge plate 502 and the mud scraper 5, and mud discharge plate 502 slant sets up on mud scraper 5. By this structure, first cleaning machine 3 carries out the dust fall to the dregs on belt feeder 2 surface and handles, and when there is not dregs on belt feeder 2, be used for washing the belt surface of belt feeder 2, second cleaning machine 4 is similar with first cleaning machine 3 mechanism, and second cleaning machine 4 is used for washing the dregs on return stroke belt surface and remains, and the scraper 5 is used for striking off the dregs on return stroke belt surface, and the crooked direction of scraper 5 is as shown in fig. 2, and scraper 5 is crooked to belt feeder 2 return stroke opposite direction.

After the pay-off was once accomplished to belt feeder 2, many dregs will be attached to the belt surface of belt feeder 2, when the downside return stroke of belt feeder 2 was followed to the belt that has contacted with the dregs, second cleaning machine 4 of this application sets up in second cleaning machine 4 below, can wash the whole leather effect area of belt feeder 2 with having ground to prevent that the raise dust phenomenon from taking place for the belt feeder, can not disturb the normal operating of belt feeder 2.

Be equipped with a plurality of shower nozzles on the first cleaning machine 3, the shower nozzle is towards 2 surfaces of belt feeder, and the shower nozzle is fan-shaped. By this structure, first cleaning machine 3 is similar with first cleaning machine 3 mechanism, is provided with fan-shaped nozzle on the hole for water spraying, the hole for water spraying nozzle orientation the surface of 2 upside belts of belt feeder guarantees to aim at the hole for water spraying of belt and covers the whole width direction of belt.

In a preferable scheme, the first cleaning machine 3 comprises a bracket 301, a cleaning frame 303 is arranged on the bracket 301, the cleaning frame 303 is connected with the bracket 301 in a sliding manner, a plurality of bottom nozzles 307 are arranged below the cleaning frame 303, two sides of the cleaning frame 303 are provided with fenders 308, and the upper side surface of the fenders 308 is provided with a plurality of side wall nozzles 306. With this configuration, the first cleaning machine 3 performs dust fall processing on the waste soil on the belt conveyor 2, sprays water and splashes muddy water, and in order to prevent the muddy water from splashing, a fender 308 cover is used, the fender 308 can prevent the muddy water from splashing, the sidewall spray heads 306 are used for cleaning the fender 308, and the sidewall spray heads 306 are required to clean the fender 308 for a long time of use, as shown in fig. 6.

Wherein the slide rail 309 is slidably connected with the slide groove of the bracket 301.

In a preferable scheme, air cylinders 302 are arranged at two ends of the cleaning frame 303, one end of each air cylinder 302 is connected with the cleaning frame 303, and the other end of each air cylinder 302 is connected with the support 301. With the structure, the air cylinder 302 can adjust the distance between the cleaning frame 303 and the belt conveyor 2, and can adjust the height of the cleaning frame 303 when large dregs are transported.

Preferably, the nozzle direction of the sidewall nozzle 306 faces to the mudguard 308, and the mudguard 308 is provided with a plurality of holes. With the structure, the side wall spray head 306 is used for cleaning the mudguard 308, and the holes on the mudguard 308 facilitate the water seepage cleaning of the side wall spray head 306.

In a preferred embodiment, the bottom nozzle 307 includes water spray ports a and air spray ports b. With the structure, the water spraying port a is used for spraying water, the air spraying port b can spray water and can also spray air, and the compressed air sprayed by the air spraying port b is used for cleaning dust on the excrement surface of the belt conveyor 2, and the structure is described as follows.

Be equipped with inlet tube 304 and intake pipe 305 on the wash rack 303, inlet tube 304 communicates with lateral wall shower nozzle 306, water jet a and jet b respectively through electronic water route switch 7, is equipped with lateral wall electric switch 12 between water jet a and the lateral wall shower nozzle 306, is equipped with electric switch 13 between water jet a and the jet b, and intake pipe 305 communicates with jet b through electronic gas circuit switch 6, and electronic gas circuit switch 6 one side is equipped with the proportion adjusting valve 11. With this configuration, the water inlet pipe 304 can transport water to the sidewall spray heads 306, water spray a and air spray b, as shown in FIG. 10 and described in connection with FIG. 5.

The electric waterway switch 7 is turned on, water is sprayed out from the water spraying port a, the side wall electric switch 12 is turned on, water is sprayed out from the side wall spray head 306, the electric switch 13 is turned on, water is sprayed out from the air spraying port b, if the electric switch 13 is turned off, the electric air path switch 6 is turned on, the adjusting proportional valve 11 is adjusted, then gas is sprayed out from the air spraying port b, fluid used by a flushing pipeline is switched, and water washing or compressed air washing is freely selected.

An air flow adjusting and adjusting proportional valve 11 is arranged on the flushing pipeline, so that the air flow during flushing by using air can be freely controlled.

In a preferred embodiment, plc10 is included, and plc10 is electrically connected to electric air circuit switch 6, electric water circuit switch 7, side wall electric switch 12, and electric switch 13. By the structure, the switch of the flushing device adopts the electric switch which is rapid in action, sensitive and reliable, the switch instruction and the switch limit of the electric switch are connected to the digital quantity input and output module of the Mitsubishi PLC, and the operation room can control the switch action of the flushing device and observe whether the switch action of the flushing device is in place or not on the operation interface.

In a preferable scheme, the water spraying ports a and the air spraying ports b are arranged on the lower side surface of the cleaning rack 303 in a staggered mode. With this structure, as shown in fig. 8, the water discharge ports a and the air discharge ports b are alternately provided on the lower side of the wash rack 303.

In a preferable scheme, the second cleaning machine 4 comprises a bottom support 401, the bottom support 401 is obliquely arranged at the bottom of the belt conveyor 2, the bottom cleaning frame 402 is slidably connected with the bottom support 401, and a bottom cylinder 404 is arranged between the bottom support 401 and the bottom cleaning frame 402. With this structure, the second cleaning machine 4 is similar to the first cleaning machine 3 in structure, except that the second cleaning machine 4 is obliquely arranged at the bottom of the belt conveyor 2, the oblique direction of the second cleaning machine 4 is as shown in fig. 3, the second cleaning machine 4 is oblique towards the return direction of the belt conveyor 2, and the internal structure is similar to the first cleaning machine 3 in structure, and the mudguard 308 of the first cleaning machine 3 is not provided.

In a preferred embodiment, a bottom side wall spray nozzle 403 is disposed on one side of the bottom washing rack 402. With the structure, only one side of the bottom cleaning frame 402 of the second cleaning machine 4 is provided with the bottom side wall spray heads 403, after the inclined cleaning, the side wall spray heads 403 are perpendicular to the belt conveyor 2, and the bottom side wall spray heads 403 return the belt conveyor 2 again to indicate that the cleaning is performed.

In a preferable scheme, two sides of the mud scraper 5 are provided with side scrapers 501. With the structure, the scraping surface of the mud scraper 5 is fitted with the surface of the belt in the return stroke, so that particles attached to the surface of the belt are scraped, and the side scraper 501 scrapes the side surface of the belt conveyor 2.

The scraper 5 is preferably made of soft polyurethane plate with good wear resistance, and has a size of 1200 × 300 × 30mm, since the clearance between the scraping surface and the surface of the belt on the return stroke is too small to damage the belt, the clearance is too large to ensure a good scraping effect, and the scraping surface should maintain a proper clearance with the surface of the belt on the return stroke.

The mud scraper 5 comprises a support plate 503, a plurality of springs 505 are arranged between the mud scraper 5 and the support plate 503, sliding columns 504 are arranged inside the springs 505, and the sliding columns 504 penetrate through the support plate 503 and are connected with nuts 506. With this structure, the structure of the spring 505 and the sliding column 504 allows the scraper 5 to be attached to the surface of the belt on the return stroke with a proper gap, and since the spring 505 and the sliding column 504 can be compressed, when the particles attached to the surface of the belt on the return stroke are large, the scraper 5 can be retracted properly, thereby preventing the surface of the belt from being scratched due to the violent pressing between the scraper 5 and the particles.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (10)

1. The utility model provides a soil pressure shield constructs belt feeder and dashes sediment device, includes belt feeder (2) in spiral machine (101) and spiral machine (101) exit of shield structure machine organism (1), shield structure machine organism (1) inside, characterized by: the upper side face of the mud discharging end of the belt conveyor (2) is provided with a first cleaning machine (3), the lower side face of the belt conveyor (2) is provided with a second cleaning machine (4), one side of the second cleaning machine (4) is provided with a mud scraper (5), the mud scraper (5) bends in the reverse direction of the return stroke of the belt conveyor (2), the mud scraper (5) is provided with a mud discharging plate (502), a mud discharging groove is formed between the mud discharging plate (502) and the mud scraper (5), and the mud discharging plate (502) is obliquely arranged on the mud scraper (5);

two sides of the mud scraper (5) are provided with side scrapers (501);

be equipped with a plurality of shower nozzles on first cleaning machine (3), the shower nozzle is towards belt feeder (2) surface, and the shower nozzle is fan-shaped.

2. The earth pressure shield belt conveyor slag flushing device according to claim 1, which is characterized in that: first cleaning machine (3) are equipped with wash rack (303) including support (301) on support (301), wash rack (303) and support (301) sliding connection, and wash rack (303) below is equipped with a plurality of bottom shower nozzles (307), and wash rack (303) both sides are equipped with fender (308), and the side is equipped with a plurality of lateral wall shower nozzles (306) on fender (308).

3. The earth pressure shield belt conveyor slag flushing device according to claim 2, characterized in that: and air cylinders (302) are arranged at two ends of the cleaning frame (303), one end of each air cylinder (302) is connected with the cleaning frame (303), and the other end of each air cylinder (302) is connected with the support (301).

4. The earth pressure shield belt conveyor slag flushing device according to claim 2, characterized in that: the nozzle direction of the side wall spray head (306) faces to the fender (308), and a plurality of holes are formed in the fender (308).

5. The earth pressure shield belt conveyor slag flushing device according to claim 2, characterized in that: the bottom nozzle (307) comprises a water spray opening (a) and an air spray opening (b);

a water inlet pipe (304) and an air inlet pipe (305) are arranged on the cleaning frame (303), the water inlet pipe (304) is respectively communicated with a side wall spray head (306), a water spray opening (a) and an air spray opening (b) through an electric waterway switch (7), a side wall electric switch (12) is arranged between the water spray opening (a) and the side wall spray head (306), and an electric switch (13) is arranged between the water spray opening (a) and the air spray opening (b);

the air inlet pipe (305) is communicated with the air jet (b) through an electric air path switch (6), and one side of the electric air path switch (6) is provided with a regulating proportional valve (11).

6. The earth pressure shield belt conveyor slag flushing device according to claim 5, characterized in that: the device comprises a plc (10), wherein the plc (10) is electrically connected with an electric air circuit switch (6), an electric water circuit switch (7), a side wall electric switch (12) and an electric switch (13).

7. The earth pressure shield belt conveyor slag flushing device according to claim 5, characterized in that: the water spray ports (a) and the air spray ports (b) are arranged on the lower side surface of the cleaning frame (303) in a staggered mode.

8. The earth pressure shield belt conveyor slag flushing device according to claim 1, which is characterized in that: the second cleaning machine (4) comprises a bottom support (401), the bottom support (401) is obliquely arranged at the bottom of the belt conveyor (2) and is provided with a bottom cleaning frame (402), the bottom cleaning frame (402) is slidably connected with the bottom support (401), and a bottom air cylinder (404) is arranged between the bottom support (401) and the bottom cleaning frame (402).

9. The earth pressure shield belt conveyor slag flushing device according to claim 8, characterized in that: and a bottom side wall spray head (403) is arranged on one side of the bottom cleaning rack (402).

10. The earth pressure shield belt conveyor slag flushing device according to claim 1, which is characterized in that: the mud scraper (5) comprises a support plate (503), a plurality of springs (505) are arranged between the mud scraper (5) and the support plate (503), sliding columns (504) are arranged inside the springs (505), and the sliding columns (504) penetrate through the support plate (503) and are connected with nuts (506).

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