CN217582126U

CN217582126U - Muck pumping system of shield tunneling machine

Info

Publication number: CN217582126U
Application number: CN202220963122.0U
Authority: CN
Inventors: 杨明
Original assignee: Deyang Siyuan Heavy Industry Co ltd
Current assignee: Deyang Siyuan Heavy Industry Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-14
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to the technical field of shield tunneling machines, in particular to a muck pumping system of a shield tunneling machine, which comprises a soil bin, a stirring device, a spiral conveying device, a belt conveyor, a filtering bin, a pump pipe and a receiving disc; the spiral conveying devices share the same sleeve; the feeding hole of the sleeve is positioned right below the soil bin, and the discharging hole of the sleeve is positioned above the belt conveyor; the receiving tray is positioned below the belt conveyor, and the filtering bin is positioned below the receiving tray; a filtering piece is arranged in the filtering bin and divides the interior of the filtering bin into an upper cavity and a lower cavity; and the inlet of the pump pipe is communicated with the lower cavity and is used for pumping the muck to a muck pit on the ground. Through this pumping system, can effectively solve the problem that the operation place is easily polluted to the interior dregs of soil storehouse discharge thoroughly and later stage transportation process.

Description

Muck pumping system of shield tunneling machine

Technical Field

The utility model relates to a shield constructs quick-witted technical field, especially relates to a shield constructs dregs pumping system of machine.

Background

The method is characterized in that the tunnel is required to be excavated in municipal engineering, a shield method is a commonly used construction mode, the muck is treated and transported in the shield method subway tunnel construction in the shield method tunnel construction, the muck excavated from the tunnel face is uniformly mixed and stirred by adding additives such as water, bentonite, air bubbles and the like, so that the muck has better plasticity and does not generate segregation, the soil pressure is formed in a soil bin of the shield machine, the soil pressure on the tunnel face is balanced, and the stress balance of the tunnel face is kept. The shield is continuously tunneled forwards, the excavated muck enters the soil bin, the soil in the soil bin is discharged from the rear side of the soil bin at the same speed through the spiral conveying equipment, and then the muck is loaded into the muck truck through the belt conveyor. In the process, the excavated dregs are easy to adhere to the inner wall of the soil bin, and the dregs are difficult to be thoroughly discharged.

In the prior art, a chinese utility model patent document with publication number CN207879349U and publication date of 09 and 18 in 2018 is proposed to solve the above existing technical problems, and the technical scheme disclosed in the patent document is as follows: a soil discharge structure of a shield machine comprises a shell of the shield machine, a cutter head and a soil bin, wherein the cutter head and the soil bin are positioned at a cutting end of the shell; the top end of a stirring shaft in the soil bin extends out of the soil bin and is installed in a plane bearing at the top end of the soil bin, the bottom end of the stirring shaft is installed in a deep groove ball bearing, the deep groove ball bearing is fixed in a cylindrical bearing installation seat, and the bearing installation seat is fixedly supported on the inner wall of the outlet end at the bottom of the soil bin through three support rods; the first blades on the upper part of the stirring shaft are spirally wound downwards along the axial direction of the stirring shaft, and the spiral radiuses of the first blades are sequentially reduced from top to bottom; the lower part of the stirring shaft is provided with a plurality of second blades, the second blades are crescent and are uniformly arranged in two opposite rows at intervals along the axial direction of the stirring shaft, and the concave parts of the two second blades at the same height face in opposite directions; the spiral conveying shaft extends into the outlet end and is arranged right below the stirring shaft.

In the actual use process, the following problems can occur in the technical scheme:

(1) The installation mode of the spiral conveying shaft ensures that the residue soil at the bottom of the soil bin cannot be completely discharged.

(2) This scheme is the same with prior art, all utilizes the dregs car to arrange sediment in the later stage, arranges the inefficiency of sediment, and its transport structure does not improve, and the condition that drops appears easily in dregs in the data send process, needs regularly clear up.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a shield constructs dregs pumping system of machine can effectively solve the problem that the operation place is polluted easily to the interior dregs discharge of soil storehouse thoroughly and later stage conveying process.

The utility model discloses a realize through adopting following technical scheme:

the utility model provides a shield constructs dregs pumping system of machine, includes soil storehouse, agitating unit, spiral conveying equipment and band conveyer, its characterized in that: the device also comprises a filter bin, a pump pipe and a material receiving disc; the spiral conveying equipment comprises a first spiral conveyor arranged horizontally and a second spiral conveyor arranged obliquely upwards, and the first spiral conveyor is communicated with the second spiral conveyor and shares the same sleeve; the feeding hole of the sleeve is positioned right below the soil bin, and the discharging hole of the sleeve is positioned above the belt conveyor; the receiving tray is positioned below the belt conveyor, the filtering bin is positioned below the receiving tray, and the filtering bin is used for receiving the residue soil in the belt conveyor and the receiving tray; a filtering piece for screening is arranged in the filtering bin, and the filtering piece divides the interior of the filtering bin into an upper cavity and a lower cavity; and the inlet of the pump pipe is communicated with the lower cavity and is used for pumping the muck to a muck pit on the ground.

The conveyer belt of the belt conveyer is a conveyer belt comprising a skirt edge and a partition plate.

The device also comprises a plurality of rows of injection devices, and the length of each injection device is matched with the width of the conveying belt; each row of spraying devices comprises a plurality of nozzles arranged at intervals, the spraying directions of the nozzles face the conveying belt, and the positions of the nozzles in two adjacent rows of spraying devices are staggered.

Still include the communicating piece, the communicating piece is including the changeover portion and the buffer segment that link to each other, changeover portion and telescopic discharge gate intercommunication, the other end of buffer segment is located the top of conveyer belt, just the buffer segment is the tilting setting, promptly the buffer segment is formed with the contained angle with the conveyer belt, the length of buffer segment is not more than the length of conveyer belt median septum.

The cross section of the buffer section is in a flat elliptic shape.

The take-up pan is towards the downward tilting setting of filtering the storehouse, and the both sides of take-up pan still are equipped with the baffle.

The filtering piece is arranged in an inclined mode.

And the filter piece is also connected with a vibration motor.

Still include the driving piece, the driving piece is used for driving the filter bin reciprocating motion, and one of them section pump line is flexible pipe.

Compared with the prior art, the beneficial effects of the utility model are shown in:

1. the utility model discloses in, telescopic feed inlet is located the soil storehouse under for the dregs in the soil storehouse are discharged more thoroughly. The utility model discloses a set up and filter storehouse and pump line, replace the fortune cinder car among the prior art, can greatly improve the efficiency of dregs transportation, and filter the setting of piece in the storehouse of crossing, can effectively avoid the dregs jam pump line of big particle diameter for the long-time operation of pump line ability. Due to the arrangement of the receiving disc, the phenomenon that muck on the belt conveyor drops to an operation field to cause the operation field to be polluted and the muck needs to be manually cleaned can be effectively avoided. Through this pumping system for the efficiency of dregs transportation is higher, and the manpower and the material resources that consume are still less.

2. Set up shirt rim and baffle on the conveyer belt, can play good stopping and limiting displacement to the dregs, avoid the dregs to drop from the conveyer belt both sides to the setting of shirt rim also can reduce spilling over of dregs normal water.

3. The setting of injection apparatus can play the clean effect of certain degree to the conveyer belt, avoids the dregs accumulation on the conveyer belt, influences the conveying efficiency of conveyer belt after for a long time. The washed dregs and the sprayed liquid can enter the filter bin along the material receiving disc, the impact force can accelerate the filtering effect of the filtering piece, and the flow plasticity of the dregs in the filter cavity can be further adjusted, so that the pumping effect of the pump pipe in the later period is better.

4. The setting of buffering section can slow down the impact force that the dregs arrived on the band conveyer, and the length of buffering section is not more than the length of conveyer belt median septum, guarantees that the dregs can be located between the conveyer belt both sides shirt rim, reduces the dregs and drops and the possibility that spills over.

5. The cross-section of buffering section is flat ellipse form, and buffering effect is good to through the width of adjustment buffering section, the output volume of sediment soil can be controlled.

6. The take-up pan is towards the downward tilting setting of filter bin, and the both sides of take-up pan still are equipped with the baffle for the take-up pan connect material effectual, and the later stage is arranged dregs more smoothly also.

7. The filtering piece is arranged in a tilting mode, so that the filtering effect of the filtering piece is good.

8. The vibrating motor or the driving piece drives the filter bin to move back and forth, so that the filtering rate of the filter piece can be increased, and the accumulation of dregs on the filter piece is avoided.

Drawings

The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:

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

FIG. 2 is a schematic view of a plane structure of the conveying belt of the present invention;

FIG. 3 is a schematic structural view of the middle buffer section of the present invention;

the labels in the figure are:

1. soil storehouse, 2, agitating unit, 3, band conveyer, 4, vibrating motor, 5, filter storehouse, 6, pump line, 7, take-up (stock) pan, 8, first screw conveyer, 9, second screw conveyer, 10, sleeve, 11, filter piece, 12, shirt rim, 13, baffle, 14, nozzle, 15, changeover portion, 16, buffer section, 17, conveyer belt, 18, flexible pipe, 19, baffle, 20, locating part.

Detailed Description

Example 1

As the utility model discloses basic embodiment, the utility model discloses a shield constructs dregs pumping system of machine, including soil storehouse 1, agitating unit 2, screw conveyer, band conveyer 3, filter bin 5, pump line 6 and take-up (stock) pan 7. Wherein, the spiral conveying equipment comprises a first spiral conveyor 8 arranged horizontally and a second spiral conveyor 9 arranged obliquely upwards, the first spiral conveyor 8 and the second spiral conveyor 9 are communicated and share the same sleeve 10, so that the first spiral conveyor 8 and the second spiral conveyor 9 are in sealed transmission. The first screw conveyor 8 and the second screw conveyor 9 are of a conventional structure in the art, and each include a rotating shaft, a screw blade on the rotating shaft, and a motor for driving the rotating shaft to rotate. The belt conveyor 3 is also of conventional construction in the art and comprises a conveyor belt 17, rollers and drive means for driving the rollers in rotation.

The feed inlet of sleeve 10 is located the soil storehouse 1 under, and the discharge gate of sleeve 10 is located the top of band conveyer 3. The material receiving disc 7 is located below the belt conveyor 3, and the material receiving disc 7 is used for receiving the dregs falling from the belt conveyor 3. The filter bin 5 is located below the material receiving disc 7, and the filter bin 5 is used for receiving the dregs in the belt conveyor 3 and the material receiving disc 7. The filtering bin 5 is internally provided with a filtering piece 11 for screening, and the filtering piece 11 can be a filtering net. The filtering piece 11 divides the interior of the filtering bin 5 into an upper cavity and a lower cavity. The large particles of the residue soil screened out remain on the filter element 11, i.e. in the upper cavity. And an inlet of the pump pipe 6 is communicated with the lower cavity, and a pump is arranged on the pump pipe 6 and used for pumping the muck to a muck pit on the ground.

Example 2

As a preferred embodiment of the utility model, the utility model discloses a shield constructs dregs pumping system of machine, including soil storehouse 1, agitating unit 2, screw conveyer, band conveyer 3, filter bin 5, pump line 6 and take-up (stock) pan 7. The spiral conveying equipment comprises a first spiral conveyor 8 arranged horizontally and a second spiral conveyor 9 arranged obliquely upwards, wherein the first spiral conveyor 8 and the second spiral conveyor 9 are communicated and share the same sleeve 10. The feed inlet of sleeve 10 is located the soil storehouse 1 under, and the discharge gate of sleeve 10 is located the top of band conveyer 3.

The belt conveyor 3 is horizontally arranged, wherein the belt conveyor 3 comprises a conveying belt 17, the conveying belt 17 is provided with skirt edges 12 and partition plates 13, the skirt edges 12 are respectively positioned on two sides of the conveying belt 17, and the partition plates 13 are positioned between the two skirt edges 12 to divide the conveying belt 17 into a plurality of storage cavities. The material receiving disc 7 is positioned below the belt conveyor 3, and the filter bin 5 is positioned below the material receiving disc 7. A plurality of rows of injection devices are arranged between the belt conveyor 3 and the material receiving disc 7, and the length of each injection device is matched with the width of the conveying belt 17; each row of spraying devices comprises a plurality of nozzles 14 which are arranged at intervals, the spraying direction of the nozzles 14 faces to the conveying belt 17, and the positions of the nozzles 14 in two adjacent rows of spraying devices are staggered.

Dregs fall to different storage intracavity along the discharge gate of sleeve 10, a small amount of dregs can drop to take-up (stock) pan 7 in, a large amount of dregs continue to carry along band conveyer 3's direction of delivery, when carrying to band conveyer 3's tip, fall to in the filter house 5 of below, a small amount of dregs can the adhesion on conveyer belt 17, nozzle 14 work this moment, wash conveyer belt 17, a small amount of dregs on conveyer belt 17 and nozzle 14 spun injection liquid fall to take-up (stock) pan 7 in the lump, and fall to in filter house 5 with the dregs in the take-up (stock) pan 7 in the lump.

The filter bin 5 is internally provided with a filter piece 11 for screening, and the filter piece 11 divides the interior of the filter bin 5 into an upper cavity and a lower cavity. And an inlet of the pump pipe 6 is communicated with the lower cavity and is used for pumping the muck to a muck pit on the ground.

Example 3

As another preferred embodiment of the utility model, the utility model discloses a shield constructs dregs pumping system of machine, including soil storehouse 1, agitating unit 2, screw conveyer, band conveyer 3, filter bin 5, pump line 6 and take-up (stock) pan 7. The spiral conveying equipment comprises a first spiral conveyor 8 arranged horizontally and a second spiral conveyor 9 arranged obliquely upwards, wherein the first spiral conveyor 8 and the second spiral conveyor 9 are communicated and share the same sleeve 10. The feed inlet of sleeve 10 is located the soil storehouse 1 under, and the discharge gate of sleeve 10 is located the top of band conveyer 3.

The material receiving disc 7 is located below the belt conveyor 3, the filter bin 5 is located below the material receiving disc 7, and the filter bin 5 is used for receiving dregs in the belt conveyor 3 and the material receiving disc 7. Wherein, the take-up (7) is arranged in a downward inclined manner towards the filtering bin (5), and baffles (19) are arranged on two sides of the take-up (7).

It is used for the filtering piece 11 of screening to be equipped with in the filtration storehouse 5, it is the tilting setting to filter piece 11, and is more specific, filter piece 11 is the filter screen, the filter screen can be squarely, and the both sides that set up relatively still are connected with strengthens the frame, strengthen the frame and outwards stretch out respectively and filter storehouse 5, and the lower part that just is located the outside enhancement frame in filtration storehouse 5 still is connected with vibrating motor 4 for accelerate the filtration efficiency of filter screen. More specifically, the filter member 11 divides the interior of the filter cartridge 5 into an upper cavity and a lower cavity. And an inlet of the pump pipe 6 is communicated with the lower cavity and is used for pumping the muck to a muck pit on the ground.

Example 4

As the best mode of the present invention, referring to the attached drawing 1 of the specification, the present invention includes a muck pumping system of a shield machine, which comprises a soil bin 1, a stirring device 2, a screw conveying device, a belt conveyer 3, a filtering bin 5, a pump pipe 6 and a receiving tray 7. The stirring device 2 may be of a conventional structure, and for example, includes a stirring shaft, a stirring member, and a driving member for driving the stirring shaft to rotate, and the stirring member may be provided with a scraper contacting with the inner wall of the soil bin.

The spiral conveying equipment comprises a first spiral conveyor 8 arranged horizontally and a second spiral conveyor 9 arranged obliquely upwards, wherein the first spiral conveyor 8 and the second spiral conveyor 9 are communicated and share the same sleeve 10, so that the first spiral conveyor 8 and the second spiral conveyor 9 are in closed conveying. The feed inlet of sleeve 10 is located the soil storehouse 1 under, and the discharge gate of sleeve 10 is located the top of band conveyer 3.

The belt conveyor 3 is horizontally arranged, the material receiving disc 7 is positioned below the belt conveyor 3, and the filter bin 5 is positioned below the material receiving disc 7. Referring to the attached fig. 2 in the specification, the belt conveyor 3 comprises a conveying belt 17, and the conveying belt 17 is the conveying belt 17 comprising the skirt 12 and the partition plate 13. The partition plates 13 and the skirt edges 12 jointly enclose to form a plurality of storage cavities, and the muck is respectively positioned in the storage cavities, so that the muck can be better conveyed. In order to reduce the probability of the muck falling from the belt conveyor 3 into the receiving tray 7, a communicating piece is provided. The connecting piece is including the changeover portion 15 and the buffer segment 16 that link to each other, the discharge gate intercommunication of changeover portion 15 and sleeve 10, the other end of buffer segment 16 is located the top of conveyer belt 17, just buffer segment 16 is the tilting setting, promptly buffer segment 16 is formed with the contained angle with conveyer belt 17, the length of buffer segment 16 is not more than the length of baffle 13 in the conveyer belt 17. Referring to fig. 3 of the drawings, the buffer section 16 is flat and oval in cross section. Through the setting of this buffering section 16, impact force when can cushion dregs and band conveyer 3 and contact to the position and the direction that can better restriction dregs fell on band conveyer 3.

In this embodiment, the width of take-up (stock) pan 7 can be greater than band conveyer 3's width, the length of take-up (stock) pan 7 can be far greater than band conveyer 3's length for take-up (stock) pan 7 can accept the dregs of a decoction that follow band conveyer 3 and carry, and the dregs of a decoction falls into filtration silo 5 in the buffering of take-up (stock) pan 7 again, reduces the impact force that the dregs of a decoction received in falling to filtration silo 5. In order to better receive and discharge the slag soil, the material receiving disc 7 can be arranged in a downward inclined mode towards the filtering bin 5, and baffle plates 19 are further arranged on two sides of the material receiving disc 7.

In order to avoid the adhesion of a large amount of dregs on the conveying belt 17, two rows of injection devices are further arranged between the belt conveyor 3 and the material receiving disc 7, and along the conveying direction of the dregs, the injection devices can be installed in the direction close to one side of the discharge hole of the sleeve 10, so that the installation is convenient, and the work of other components cannot be blocked. The length of the spraying device is matched to the width of the conveyor belt 17. Each row of spraying devices comprises a plurality of nozzles 14 which are arranged at intervals, the spraying direction of the nozzles 14 faces the conveying belt 17, and the nozzles 14 in the two rows of spraying devices are staggered. When making conveyer belt 17 transmit to the below, the dregs of adhesion can fall to take-up (7) along gravity on the conveyer belt 17, and spray liquid is erupted to nozzle 14, further clears up conveyer belt 17, and the nozzle 14 of dislocation arrangement for it is more thorough to clear up.

It is used for the filtration piece 11 of screening to be equipped with in the filtration storehouse 5, in order to improve the filtration efficiency who filters piece 11, filter piece 11 can be for the uncovered filter frame, the filter screen top is equipped with locating part 20, filter 5 tops of storehouse can be equipped with locating part 20 assorted recess, through the cooperation of this locating part 20 and recess for filter the frame and can hang in this filter storehouse 5. The periphery of the filter frame and the inner wall of the filter bin 5 are kept at a certain distance. The filter frame divides the interior of the filter bin 5 into an upper cavity and a lower cavity. The bottom of the filter frame can be in an inclined arrangement, so that the filter area is further increased, and the filter effect is improved.

In order to further improve the filter effect, can also set up the driving piece, the driving piece can be the pneumatic cylinder, and round trip movement about can driving the filtration storehouse 5 increases the filtration efficiency of filtering the frame, and further, can mix the dregs that are located cavity down after jet liquid and filtration, further adjust the flow plasticity. Because the inlet of the pump pipe 6 is communicated with the lower cavity, and one section of the pump pipe 6 is the telescopic pipe 18, the process of pumping the dregs to the dregs pit on the ground is smoother.

The filter frame can also be provided with a storage bin which is fixed on one side of the filter bin 5 and used for storing the dregs with large particle size filtered by the filter frame. The dregs with large grain diameter can be regularly cleaned to a storage bin for temporary storage.

During the use, agitating unit 2 work, the dregs in the soil storehouse 1 gets into sleeve 10 along the feed inlet of sleeve 10, under the transport of first screw conveyer 8 and second screw conveyer 9, falls to band conveyer 3 on, band conveyer 3 further carries the dregs, and the dregs that finally band conveyer 3 goes up the transport fall to take-up (stock) pan 7 on, gets into filtration storehouse 5 along the inclined plane of take-up (stock) pan 7. Meanwhile, the nozzle 14 works to clean the conveyer belt 17, and the residue soil and the injection liquid adhered on the conveyer belt 17 fall onto the material receiving disc 7 and enter the filter bin 5 along the inclined surface of the material receiving disc 7.

After the dregs and the injection liquid entering the filter bin 5 are filtered by the filter frame, the dregs with large grain diameter are left in the filter frame, and the dregs and the injection liquid with small grain diameter pass through the filter frame and are positioned in the lower cavity. In this in-process, 5 round trip movement in driving piece drive filter bin for the filter effect of filter frame for dregs and injection liquid mix more evenly, finally will descend the dregs in the cavity to pass through in the dregs hole on pump line 6 pump sending to ground.

In conclusion, after the person skilled in the art reads the document of the present invention, the technical solutions and concepts of the present invention do not need to create mental labor, and other various corresponding transformation schemes are all included in the protection scope of the present invention.

Claims

1. The utility model provides a shield constructs dregs pumping system of machine, includes soil storehouse (1), agitating unit (2), spiral delivery equipment and band conveyer (3), its characterized in that: the device also comprises a filtering bin (5), a pump pipe (6) and a material receiving disc (7); the spiral conveying equipment comprises a first spiral conveyor (8) arranged horizontally and a second spiral conveyor (9) arranged obliquely upwards, wherein the first spiral conveyor (8) and the second spiral conveyor (9) are communicated and share the same sleeve (10); the feed inlet of the sleeve (10) is positioned right below the soil bin (1), and the discharge outlet of the sleeve (10) is positioned above the belt conveyor (3); the receiving disc (7) is positioned below the belt conveyor (3), the filtering bin (5) is positioned below the receiving disc (7), and the filtering bin (5) is used for receiving dregs in the belt conveyor (3) and the receiving disc (7); a filtering piece (11) for screening is arranged in the filtering bin (5), and the filtering piece (11) divides the interior of the filtering bin (5) into an upper cavity and a lower cavity; and an inlet of the pump pipe (6) is communicated with the lower cavity and is used for pumping the muck to a muck pit on the ground.

2. The muck pumping system of a shield tunneling machine of claim 1, wherein: the conveyer belt (17) of the belt conveyer (3) is a conveyer belt (17) comprising a skirt (12) and a partition plate (13).

3. The muck pumping system of a shield tunneling machine according to claim 2, wherein: the device also comprises a plurality of rows of injection devices, and the length of each injection device is matched with the width of the conveying belt (17); each row of spraying devices comprises a plurality of nozzles (14) which are arranged at intervals, the spraying directions of the nozzles (14) face to the conveying belt (17), and the positions of the nozzles (14) in two adjacent rows of spraying devices are staggered.

4. The muck pumping system of a shield tunneling machine according to claim 3, wherein: still include the connecting piece, the connecting piece is including changeover portion (15) and buffering section (16) that link to each other, changeover portion (15) and the discharge gate intercommunication of sleeve (10), the other end of buffering section (16) is located the top of conveyer belt (17), just buffering section (16) are the tilting setting, promptly buffering section (16) and conveyer belt (17) are formed with the contained angle, the length of buffering section (16) is not more than the length of conveyer belt (17) median septum (13).

5. The muck pumping system of a shield tunneling machine according to claim 4, wherein: the cross section of the buffer section (16) is flat and elliptical.

6. The muck pumping system of a shield tunneling machine of claim 1, wherein: the material receiving disc (7) is arranged in a downward inclined mode towards the filtering bin (5), and baffles (19) are further arranged on two sides of the material receiving disc (7).

7. The muck pumping system of a shield tunneling machine of claim 1, wherein: the filtering piece (11) is arranged in an inclined mode.

8. The muck pumping system of a shield tunneling machine according to claim 7, wherein: and the filter piece (11) is also connected with a vibration motor (4).

9. The muck pumping system of a shield tunneling machine according to claim 7, wherein: the filter device is characterized by further comprising a driving piece, wherein the driving piece is used for driving the filter bin (5) to move back and forth, and the pump pipe (6) at one section is an extension pipe (18).