CN107654236B - Slurry balance shield machine quarrying box device and construction method thereof - Google Patents
Slurry balance shield machine quarrying box device and construction method thereof Download PDFInfo
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- CN107654236B CN107654236B CN201711062956.4A CN201711062956A CN107654236B CN 107654236 B CN107654236 B CN 107654236B CN 201711062956 A CN201711062956 A CN 201711062956A CN 107654236 B CN107654236 B CN 107654236B
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- 239000002002 slurry Substances 0.000 title claims abstract description 124
- 238000010276 construction Methods 0.000 title claims description 16
- 238000007599 discharging Methods 0.000 claims abstract description 71
- 238000005192 partition Methods 0.000 claims abstract description 48
- 239000004575 stone Substances 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 239000002893 slag Substances 0.000 abstract description 3
- 230000005641 tunneling Effects 0.000 description 12
- 238000005065 mining Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Paper (AREA)
Abstract
The stone box device comprises a box main body, a slurry inlet pipe, a slurry outlet pipe and a stone collecting door; the box main body is of a rectangular three-dimensional structure; a vertical partition board, a grid mesh and a stripper plate set are also arranged in the cavity in the box main body; the vertical partition plate longitudinally separates the inside of the box main body and divides the box main body into a left cavity and a right cavity; a slurry discharging hole is formed in the middle of the vertical partition plate; the grid net is arranged at the slurry discharging holes of the vertical partition plate and positioned at one side of the water facing surface; the size of the grid mesh is matched with the size of the pulp discharging hole, and the grid mesh is detachably connected to the vertical partition plate at the periphery of the pulp discharging hole through a connecting piece; the quarrying box device also comprises an auxiliary slurry tube. The invention solves the technical problems of easy blockage of the slurry discharging pump, low cleaning efficiency of the quarrying box, difficult slag removal and difficult searching of the specific position of the blocked pipeline in the existing structural system.
Description
Technical Field
The invention belongs to the technical field of slurry shield construction, and particularly relates to a stone box device of a slurry balance shield machine and a construction method thereof.
Background
The shield machine is used as the most advanced ultra-large special equipment for tunneling, is high-tech construction equipment for realizing one-time tunneling, soil discharge, support and the like, and is widely used for tunnel engineering of urban rail transit, railways, highways, municipal administration, hydropower and the like. The slurry balance shield is used as an important branch in a large family of shield machines, has the advantages of high automation degree, stable excavation surface, high tunneling speed and the like, and is increasingly and widely applied to stratum such as high water pressure, sand, mucky soil and the like. Compared with the earth pressure balance shield machine, the construction principle and the construction of the slurry shield machine are different, and the dregs generated by tunneling are scoured and mixed by bentonite slurry in a slurry inlet pipe of a tunnel and then discharged by carrying the dregs through a slurry return pipe. In addition, the quarrying case is used as mud filtration equipment for collecting the great stone in the mud, guarantees the normal operation of circulation system. Because the quarrying box space is limited, the slurry discharge port pressure is high, the flow velocity is high, and partial stone exceeding the maximum passing particle size of the slurry discharge pump is carried by the slurry at the slurry discharge pump port. In the long-time tunneling process of the shield machine, the blocking phenomenon of the slurry pipeline sometimes occurs, and even causes the pipeline to be exploded. In addition, the concrete position of the blocked pipeline is difficult to find, and meanwhile, when the quarrying box and the slurry discharging pipeline are cleaned, the labor intensity of workers is high, the downtime is long, and the shield construction efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a quarrying box device of a slurry balance shield machine and a construction method thereof, which solve the technical problems that a slurry discharge pump is easy to block, the quarrying box is low in cleaning efficiency, slag removal is difficult and the specific position of a blocked pipeline is difficult to find in the existing structural system.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
The stone collecting box device of the slurry balance shield machine comprises a box main body, a slurry inlet pipe, a slurry outlet pipe and a stone collecting door; wherein, the pulp inlet pipe and the pulp outlet pipe are respectively connected on the left side surface and the right side surface of the box main body; a pulp inlet control valve is arranged on the pulp inlet pipe and at a position close to the box main body; a pulp discharging control valve is arranged on the pulp discharging pipe and at a position close to the box main body; the quarrying door is arranged on the front side surface or the rear side surface of the box main body; the box main body is of a rectangular three-dimensional structure; a vertical partition board, a grid mesh and a stripper plate set are also arranged in the cavity in the box main body;
The vertical partition plate longitudinally separates the inside of the box main body and divides the box main body into a left cavity and a right cavity; a slurry discharging hole is formed in the middle of the vertical partition plate;
The grid net is arranged at the slurry discharging holes of the vertical partition plate and positioned at one side of the water facing surface; the size of the grid mesh is matched with the size of the pulp discharging hole, and the grid mesh is detachably connected to the vertical partition plate at the periphery of the pulp discharging hole through a connecting piece;
the discharging plate group comprises a longitudinal inclined plate and a transverse inclined plate; the slope surface of the longitudinal inclined plate faces the stone collecting door, the bottom edge of the longitudinal inclined plate is abutted against the side wall of the box main body below the stone collecting door, and the top edge of the longitudinal inclined plate is abutted against the side wall of the box main body opposite to the stone collecting door; the slope surface of the transverse inclined plate faces to the vertical partition plate, the top edge of the transverse inclined plate is abutted against the vertical partition plate below the grid net, and the bottom edge of the transverse inclined plate is supported on the longitudinal inclined plate;
The quarrying box device also comprises an auxiliary slurry pipe; the auxiliary slurry-passing pipe is communicated with the slurry inlet pipe and the slurry outlet pipe in parallel, one end of the auxiliary slurry-passing pipe is connected to the slurry inlet pipe and the outer side of the slurry inlet control valve, and the other end of the auxiliary slurry-passing pipe is connected to the slurry outlet pipe and the outer side of the slurry outlet control valve; an auxiliary pulp inlet control valve and an auxiliary pulp discharge control valve are respectively arranged at the pulp inlet end and the pulp outlet end of the auxiliary pulp through pipe.
Preferably, a pressure sensor and a pressure relief valve for testing the internal pressure of the main body of the quarrying box are arranged at the top of the quarrying box device; the pressure sensors are arranged on the top of the box body at intervals.
Preferably, the top of the quarrying box device is also provided with a lifting lug for lifting the quarrying box device; the lifting lugs are arranged in a group and are symmetrically arranged on the box main body.
Preferably, the outer side surface of one side of the box main body provided with the pulp discharging pipe is also connected with an inner circulation pulp discharging pipe; the inner circulation slurry discharging pipe is arranged above the slurry discharging pipe.
Preferably, the two quarrying doors are arranged at intervals in the transverse direction, and one of the quarrying doors is arranged corresponding to the longitudinal inclined plate.
Preferably, two pulp discharging holes are formed in the vertical partition plate, and the two pulp discharging holes are vertically arranged at intervals; the slurry discharging holes are formed along the horizontal direction, and the distance between the side edges of the slurry discharging holes and the side edges of the vertical partition plates on the corresponding side is 10-20 cm.
Preferably, the auxiliary slurry-passing pipe comprises bent pipe sections arranged at two ends and a straight pipe section connected between the two bent pipe sections; the straight pipe sections are connected with the bent pipe sections on two sides of the straight pipe sections through flanges, and a horizontal partition plate for dividing the straight pipe sections into an upper cavity and a lower cavity is arranged at the position of the long axis of the straight pipe sections.
A construction method of a quarrying box device of a slurry balance shield machine comprises the following steps.
Step one: and opening the pulp inlet control valve and the pulp discharge control valve, and simultaneously closing the auxiliary pulp inlet control valve and the auxiliary pulp discharge control valve to enable the pulp to pass through the box main body.
Step two: and when the pressure value of the pressure sensor in the box main body is 50kpa greater than the pressure value of the pulp discharging pump suction pump, opening the auxiliary pulp feeding control valve and the auxiliary pulp discharging control valve.
Step three: and closing the slurry inlet control valve and the slurry discharge control valve to enable the slurry to be conveyed to the slurry discharge pump through the auxiliary slurry through pipe.
Step four: and opening the pressure release valve, and opening the quarrying door to clean the box main body after the pressure in the box main body is reduced.
Step five: and after the main body of the mining box is cleaned, closing the mining door.
Step six: re-opening the pulp inlet control valve and the pulp discharge control valve, and simultaneously closing the auxiliary pulp inlet control valve and the auxiliary pulp discharge control valve; the slurry is passed through the tank body.
Step seven: and (3) repeating the processes from the second step to the sixth step until the shield construction is finished.
The invention has the beneficial effects that.
1. According to the invention, the vertical partition plate provided with the slurry discharge holes is arranged in the box main body, and the grid mesh is detachably connected at the slurry discharge holes, so that sundries such as stones and anchor cables in slurry are intercepted by utilizing the structure, the stones are prevented from blocking the slurry discharge pump, and the normal operation of the slurry discharge pump is ensured.
2. The invention sets up the stripper plate group in the box main body, and this stripper plate group includes longitudinal inclined plate and horizontal inclined plate; wherein the slope surface of the longitudinal inclined plate faces the stone picking door, the bottom edge of the longitudinal inclined plate is abutted against the side wall of the box main body 1 below the stone picking door, and the top edge of the longitudinal inclined plate is abutted against the side wall of the box main body opposite to the stone picking door; the slope surface of the transverse inclined plate faces away from the vertical partition plate, the top edge of the transverse inclined plate is abutted against the vertical partition plate below the grid net, and the bottom edge of the transverse inclined plate is supported on the longitudinal inclined plate; the combined action of the longitudinal inclined plates and the transverse inclined plates in the unloading plate group enables sundries such as stones and anchor cables to be directly gathered near the quarrying door along the unloading plate group, so that the difficulty of cleaning the box main body is reduced, and the manual cleaning time is shortened.
3. The stone quarrying box device further comprises the auxiliary slurry pipe, when the box main body needs to be cleaned, the cleaning work of the box main body can be carried out only by switching the slurry pipeline to the auxiliary slurry pipe, and the cleaning work and the normal tunneling of the shield machine are ensured to be carried out simultaneously.
4. The quarrying box device has the advantages of simple structure, convenient operation and complete operability.
5. The stone quarrying box device solves the problems that a slurry pump is blocked by stones, the stone quarrying box is difficult to clean and shield tunneling is influenced in the cleaning process; meanwhile, the normal operation of the equipment is ensured, and the tunneling construction efficiency is improved.
6. In the invention, the auxiliary slurry-passing pipe is provided with a horizontal baffle plate for separating the straight pipe section into an upper cavity and a lower cavity at the long axis position of the straight pipe section; the horizontal partition plate separates the middle of the auxiliary slurry passing pipe and is used for intercepting sundries with large particle size, so that the blocking of the slurry discharging pump by stone blocks with the sundries with large particle size is avoided, and the normal operation of the slurry discharging pump is ensured.
Drawings
Fig. 1 is a schematic diagram of the front structure of the quarrying box device of the present invention.
Fig. 2 is a schematic view of the structure of the side of the main body of the box provided with the slurry discharging pipe in the invention.
Fig. 3 is a schematic view of the structure of the side of the main body of the box provided with the pulp inlet pipe in the invention.
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 1.
Fig. 5 is a schematic view of the sectional structure of E-E in fig. 1.
Fig. 6 is a schematic plan view of the main body of the box and the slurry discharging pipes and the slurry feeding pipes on both sides thereof according to the present invention.
FIG. 7 is a schematic view of the sectional structure B-B in FIG. 5.
Reference numerals: 1-box main body, 2-internal circulation pulp discharging pipe, 3-pulp discharging control valve, 4-pulp discharging pipe, 5-auxiliary pulp passing pipe, 5.1-bent pipe section, 5.2-straight pipe section, 6-pulp discharging hole, 7-auxiliary pulp discharging control valve, 8-auxiliary pulp feeding control valve, 9-pulp feeding pipe, 10-pulp feeding control valve, 11-quarrying door, 12-lifting lug, 13-vertical partition board, 14-connecting piece, 15-pressure releasing valve, 16-pressure sensor, 17-transverse inclined board, 18-grid net, 19-connecting bolt, 20-longitudinal inclined board and 21-horizontal partition board.
Detailed Description
As shown in fig. 1-7, the quarrying box device of the slurry balance shield machine is used for solving the problems of blockage of a slurry discharge pump and low cleaning efficiency of a box main body 1 and realizing non-stop slag removal of a shield, and comprises the box main body 1, a slurry inlet pipe 9, a slurry discharge pipe 4 and a quarrying door 11; wherein, the pulp inlet pipe 9 and the pulp outlet pipe 4 are respectively connected on the left side surface and the right side surface of the box main body 1; a pulp inlet control valve 10 is arranged on the pulp inlet pipe 9 and at a position close to the box main body 1; a pulp discharging control valve 3 is arranged on the pulp discharging pipe 4 and at a position close to the box main body 1; the quarrying door 11 is arranged on the front side or the rear side of the box main body 1; the box main body 1 is of a rectangular three-dimensional structure; a vertical partition plate 13, a grid net 18 and a stripper plate set are also arranged in the cavity in the box main body 1;
The vertical partition 13 longitudinally partitions the inside of the tank body 1 and divides the tank body 1 into left and right chambers; a pulp discharging hole 6 is formed in the middle of the vertical partition plate 13;
The grid net 18 is arranged at the slurry discharging holes 6 of the vertical partition plate 13 and positioned at one side of the water facing surface; the size of the grid net 18 is matched with that of the pulp discharging hole 6, and the grid net 18 is detachably connected to the vertical partition plate 13 at the periphery of the pulp discharging hole 6 through the connecting piece 14;
The stripper plate group comprises a longitudinal inclined plate 20 and a transverse inclined plate 17; the slope surface of the longitudinal inclined plate 20 faces the stone collecting door 11, the bottom edge of the longitudinal inclined plate is abutted against the side wall of the box main body 1 below the stone collecting door 11, and the top edge of the longitudinal inclined plate is abutted against the side wall of the box main body 1 opposite to the stone collecting door 11; the slope of the transversely inclined plate 17 faces away from the vertical partition plate 13, the top edge of the transversely inclined plate is abutted against the vertical partition plate 13 below the grid mesh 18, and the bottom edge of the transversely inclined plate is supported on the longitudinally inclined plate 20;
The quarrying box device also comprises an auxiliary slurry pipe 5; the auxiliary pulp passing pipe 5 is communicated with the pulp feeding pipe 9 and the pulp discharging pipe 4 in parallel, one end of the auxiliary pulp passing pipe 5 is connected to the pulp feeding pipe 9 and the outer side of the pulp feeding control valve 10, and the other end of the auxiliary pulp passing pipe 5 is connected to the pulp discharging pipe 4 and the outer side of the pulp discharging control valve 3; an auxiliary pulp inlet control valve 8 and an auxiliary pulp discharge control valve 7 are respectively arranged at the pulp inlet end and the pulp outlet end of the auxiliary pulp through pipe 5.
In this embodiment, the bottom edge of the vertical inclined plate 20 is welded to the bottom of the inner sidewall of the box body 1, and four two side edges of the vertical inclined plate are respectively connected with the left side plate, the rear side plate, and the sidewall of the box body 1 below the quarrying door 11, and the vertical partition plate 13, and the slope surface faces the direction of the quarrying door 11 and forms an included angle of 10 ° with the bottom of the box body 1.
Of course, in other embodiments, the angle between the longitudinally inclined plate 20 and the bottom of the tank body 1 may be adjusted according to the amount of residue allowed to accumulate on the longitudinally inclined plate 20.
In this embodiment, the transverse inclined plate 17 is in a right trapezoid shape, wherein two parallel right-angle sides of the transverse inclined plate 17 are respectively welded with the front side and the rear side of the box body 1, the other right-angle side of the transverse inclined plate 17 is welded with the vertical partition plate 13, and the oblique side of the transverse inclined plate 17 is welded with the longitudinal inclined plate 20; the angle between the transversely inclined plate 17 and the vertical partition 13 is 50 deg..
Of course in other embodiments the angle between the transversely inclined plate 17 and the vertical partition 13 can also be adjusted according to the flow rate of the design slurry.
In this embodiment, the connecting member 14 is a bolt or a screw.
In the embodiment, a pressure sensor 16 and a pressure relief valve 15 for testing the internal pressure of the box main body 1 are arranged at the top of the quarrying box device; the pressure sensors 16 are provided in a group and are arranged at intervals on the top of the tank body 1.
In the embodiment, the top of the quarrying box device is also provided with a lifting lug 12 for lifting the quarrying box device; the lifting lugs 12 are provided with a group and are symmetrically arranged on the box main body 1.
In the embodiment, the outer side surface of the side, provided with the slurry discharging pipe 4, of the box main body 1 is also connected with an inner circulation slurry discharging pipe 2; the inner circulation pulp discharging pipe 2 is arranged above the pulp discharging pipe 4.
In this embodiment, the internal circulation slurry discharging pipe 2 is used for discharging the slurry in the quarrying box, and forming a circulation mode between the slurry bin and the quarrying box; the outlet of the internal circulation slurry discharging pipe 2 is connected with a P0 pump (internal circulation pump), the outlet of the P0 pump is directly communicated with a slurry inlet pipe of a slurry bin on an internal circulation system of the shield tunneling machine, and the slurry bin is connected with a quarrying box through pipelines such as a slurry outlet pipe of the slurry bin, so that a circulation channel, called internal circulation for short, is formed between the slurry bin and the quarrying box, and the slurry discharging pipe is positioned on the shield tunneling circulation system and used for tunneling of the shield tunneling machine.
In this embodiment, two quarrying doors 11 are arranged at intervals along the transverse direction, and one of the quarrying doors 11 is arranged corresponding to the longitudinal inclined plate 20; the quarrying door 11 is connected with the box body 1 through a connecting bolt 19.
In this embodiment, two pulp discharging holes 6 are formed in the vertical partition 13, and the two pulp discharging holes 6 are vertically spaced; the pulp discharging holes 6 are formed along the horizontal direction, and the distance between the side edges of the pulp discharging holes 6 and the side edges of the vertical partition plates 13 on the corresponding side is 10-20 cm.
In this embodiment, the auxiliary slurry pipe 5 includes a bent pipe section 5.1 disposed at two ends and a straight pipe section 5.2 connected between the two bent pipe sections 5.1; the straight pipe section 5.2 is connected with the bent pipe sections 5.1 on two sides of the straight pipe section 5.2 through flanges, and a horizontal partition plate 21 for dividing the straight pipe section 5.2 into an upper cavity and a lower cavity is arranged at the long axis position of the straight pipe section 5.2; the middle of the auxiliary slurry passing pipe 5 is separated by a horizontal partition plate 21 for intercepting sundries with large particle size.
In this embodiment, the horizontal partition 21 is a thin steel plate, an aluminum alloy plate, or a plate made of other materials.
The construction method of the slurry balance shield machine quarrying box device comprises the following steps.
Step one: the slurry inlet control valve 10 and the slurry outlet control valve 3 are opened, and the auxiliary slurry inlet control valve 8 and the auxiliary slurry outlet control valve 7 are closed at the same time, so that slurry passes through the tank body 1.
Step two: when the pressure value of the pressure sensor in the box main body 1 is 50kpa larger than the pressure value of the suction pump of the pulp discharging pump, the auxiliary pulp feeding control valve 8 and the auxiliary pulp discharging control valve 7 are opened.
Step three: the feed control valve 10 and the discharge control valve 3 are closed so that the slurry is conveyed to the discharge pump through the auxiliary feed pipe 5.
Step four: and opening the pressure release valve 15, and after the pressure in the tank main body 1 is reduced, cleaning the tank main body 1 by beating the mining stone door 11.
Step five: after the cleaning of the main body 1 of the mining box is completed, the mining door 11 is closed.
Step six: re-opening the pulp inlet control valve 10 and the pulp outlet control valve 3, and simultaneously closing the auxiliary pulp inlet control valve 8 and the auxiliary pulp outlet control valve 7; the slurry is made to pass through the box main body 1, and the construction is normally conducted.
Step seven: and (3) repeating the processes from the second step to the sixth step until the shield construction is finished.
The foregoing detailed description of the principles and features of the invention has been presented in connection with the accompanying drawings, the examples being provided for the purpose of illustration only and not for the purpose of limiting the invention.
Claims (5)
1. The stone-quarrying box device of the slurry balance shield machine comprises a box main body (1), a slurry inlet pipe (9), a slurry outlet pipe (4) and a stone-quarrying door (11); wherein, the pulp inlet pipe (9) and the pulp outlet pipe (4) are respectively connected on the left side surface and the right side surface of the box main body (1); a pulp inlet control valve (10) is arranged on the pulp inlet pipe (9) and at a position close to the box main body (1); a pulp discharging control valve (3) is arranged on the pulp discharging pipe (4) and at a position close to the box main body (1); the quarrying door (11) is arranged on the front side surface or the rear side surface of the box main body (1); the method is characterized in that: the box main body (1) is of a rectangular three-dimensional structure; a vertical partition plate (13), a grid net (18) and a stripper plate set are also arranged in the cavity in the box main body (1);
The vertical partition plate (13) longitudinally separates the inside of the box main body (1) and divides the box main body (1) into a left cavity and a right cavity; a slurry discharging hole (6) is formed in the middle of the vertical partition plate (13);
the grid net (18) is arranged at the slurry discharging holes (6) of the vertical partition plate (13) and is positioned at one side of the water facing surface; the size of the grid net (18) is matched with the size of the slurry discharging hole (6), and the grid net (18) is detachably connected to the vertical partition plate (13) at the periphery of the slurry discharging hole (6) through the connecting piece (14);
The unloading plate group comprises a longitudinal inclined plate (20) and a transverse inclined plate (17); the slope surface of the longitudinal inclined plate (20) faces the stone collecting door (11), the bottom edge of the longitudinal inclined plate is abutted against the side wall of the box main body (1) below the stone collecting door (11), and the top edge of the longitudinal inclined plate is abutted against the side wall of the box main body (1) on the opposite side of the stone collecting door (11); the slope of the transverse inclined plate (17) faces away from the vertical partition plate (13), the top edge of the transverse inclined plate is abutted against the vertical partition plate (13) below the grid mesh (18), and the bottom edge of the transverse inclined plate is supported on the longitudinal inclined plate (20);
The quarrying box device also comprises an auxiliary slurry pipe (5); the auxiliary slurry passing pipe (5) is communicated with the slurry inlet pipe (9) and the slurry outlet pipe (4) in parallel, one end of the auxiliary slurry passing pipe (5) is connected to the slurry inlet pipe (9) and the outer side of the slurry inlet control valve (10), and the other end of the auxiliary slurry passing pipe (5) is connected to the slurry outlet pipe (4) and the outer side of the slurry outlet control valve (3); an auxiliary pulp inlet control valve (8) and an auxiliary pulp discharge control valve (7) are respectively arranged at the pulp inlet end and the pulp outlet end of the auxiliary pulp through pipe (5);
The top of the quarrying box device is provided with a pressure sensor (16) and a pressure relief valve (15) for testing the internal pressure of the box main body (1); the pressure sensors (16) are arranged on the top of the box main body (1) at intervals;
the top of the quarrying box device is also provided with a lifting lug (12) for lifting the quarrying box device; the lifting lugs (12) are provided with a group and are symmetrically arranged on the box main body (1);
the outer side surface of one side of the box main body (1) provided with the slurry discharging pipe (4) is also connected with an inner circulation slurry discharging pipe (2); the internal circulation slurry discharging pipe (2) is arranged above the slurry discharging pipe (4).
2. The slurry balance shield machine quarrying box apparatus of claim 1, wherein: the two quarrying doors (11) are arranged at intervals in the transverse direction, and one of the quarrying doors (11) is arranged corresponding to the longitudinal inclined plate (20).
3. The slurry balance shield machine quarrying box apparatus of claim 1, wherein: two pulp discharging holes (6) are formed in the vertical partition plate (13), and the two pulp discharging holes (6) are vertically arranged at intervals; the slurry discharging holes (6) are formed along the horizontal direction, and the distance between the side edges of the slurry discharging holes (6) and the side edges of the vertical partition plates (13) on the corresponding side is 10-20 cm.
4. The slurry balance shield machine quarrying box apparatus of claim 1, wherein: the auxiliary slurry-passing pipe (5) comprises bent pipe sections (5.1) arranged at two ends and a straight pipe section (5.2) connected between the two bent pipe sections (5.1); the straight pipe section (5.2) is connected with the bent pipe sections (5.1) at two sides of the straight pipe section through flanges, and a horizontal partition plate (21) for separating the straight pipe section (5.2) into an upper cavity and a lower cavity is arranged at the long axis position of the straight pipe section (5.2).
5. A method of constructing a quarrying box assembly for a slurry balance shield machine as claimed in claim 4 comprising the steps of:
Step one: opening a pulp inlet control valve (10) and a pulp discharge control valve (3), and simultaneously closing an auxiliary pulp inlet control valve (8) and an auxiliary pulp discharge control valve (7) to enable pulp to pass through the tank main body (1);
Step two: when the pressure value of the pressure sensor (16) in the box main body (1) is 50kpa greater than the pressure value of the pulp discharging pump suction pump, an auxiliary pulp feeding control valve (8) and an auxiliary pulp discharging control valve (7) are opened;
Step three: closing a slurry inlet control valve (10) and a slurry discharge control valve (3) to enable slurry to be conveyed to a slurry discharge pump through an auxiliary slurry through pipe (5);
Step four: opening a pressure release valve (15), and opening a quarrying door (11) to clean the box main body (1) after the pressure in the box main body (1) is reduced;
step five: closing the stone collecting door (11) after the cleaning of the main body (1) of the collecting box is completed;
step six: re-opening the pulp inlet control valve (10) and the pulp discharge control valve (3), and simultaneously closing the auxiliary pulp inlet control valve (8) and the auxiliary pulp discharge control valve (7); passing the slurry through the tank body (1);
step seven: and (3) repeating the processes from the second step to the sixth step until the shield construction is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062956.4A CN107654236B (en) | 2017-11-02 | 2017-11-02 | Slurry balance shield machine quarrying box device and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711062956.4A CN107654236B (en) | 2017-11-02 | 2017-11-02 | Slurry balance shield machine quarrying box device and construction method thereof |
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| CN107654236A CN107654236A (en) | 2018-02-02 |
| CN107654236B true CN107654236B (en) | 2024-05-28 |
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| CN209145610U (en) * | 2018-12-18 | 2019-07-23 | 西南交通大学 | A kind of row's stone device for slurry balance shield machine |
| CN110242319B (en) * | 2019-07-24 | 2024-06-25 | 中铁工程服务有限公司 | Quick slag stone cleaning device for slurry shield machine |
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| CN206530334U (en) * | 2016-12-29 | 2017-09-29 | 中船重型装备有限公司 | A kind of slurry shield machine quarrying box structure |
| CN107227960A (en) * | 2017-07-28 | 2017-10-03 | 中铁工程装备集团有限公司 | A kind of slurry shield stirring and screening quarrying case |
| CN207363672U (en) * | 2017-11-02 | 2018-05-15 | 中建交通建设集团有限公司 | A kind of slurry balance shield machine quarrying case apparatus |
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2017
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| CN202300416U (en) * | 2011-10-17 | 2012-07-04 | 广东华隧建设股份有限公司 | Quarrying box in shield tunneling machine |
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| CN205422730U (en) * | 2016-02-02 | 2016-08-03 | 中铁工程装备集团有限公司 | Slurry shield's novel quarrying case |
| CN205977226U (en) * | 2016-08-10 | 2017-02-22 | 海瑞克(广州)隧道设备有限公司 | A gravel quarrying case system that it is quick -witted that is used for balanced shield of muddy water to construct |
| CN206530334U (en) * | 2016-12-29 | 2017-09-29 | 中船重型装备有限公司 | A kind of slurry shield machine quarrying box structure |
| CN107227960A (en) * | 2017-07-28 | 2017-10-03 | 中铁工程装备集团有限公司 | A kind of slurry shield stirring and screening quarrying case |
| CN207363672U (en) * | 2017-11-02 | 2018-05-15 | 中建交通建设集团有限公司 | A kind of slurry balance shield machine quarrying case apparatus |
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| Publication number | Publication date |
|---|---|
| CN107654236A (en) | 2018-02-02 |
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