CN117072190A - Slag discharging system for tunnel shield machine - Google Patents
Slag discharging system for tunnel shield machine Download PDFInfo
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- CN117072190A CN117072190A CN202311339783.1A CN202311339783A CN117072190A CN 117072190 A CN117072190 A CN 117072190A CN 202311339783 A CN202311339783 A CN 202311339783A CN 117072190 A CN117072190 A CN 117072190A
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- conveying
- shell
- crushing
- belt
- fixedly connected
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- 238000007599 discharging Methods 0.000 title claims abstract description 21
- 239000002893 slag Substances 0.000 title claims abstract description 21
- 239000011435 rock Substances 0.000 claims abstract description 89
- 239000012634 fragment Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 244000309464 bull Species 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 10
- 238000005192 partition Methods 0.000 description 10
- 230000005641 tunneling Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/13—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft and combined with sifting devices, e.g. for making powdered fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B02C13/284—Built-in screens
-
- 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
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
Landscapes
- 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)
- Food Science & Technology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The application relates to a slag discharging system for a tunnel shield machine, which belongs to the technical field of shield construction and comprises a machine body, a cutter head and a conveying pipeline, wherein a conveying chamber is arranged at the front end of the machine body, the cutter head is arranged at the front end of the conveying chamber, a conveying belt for conveying rock fragments along the direction far away from the cutter head is arranged in the conveying chamber, a conveying shell is arranged under one end of the conveying belt far away from the cutter head, the upper end of the conveying shell is in an opening shape, a first filter screen is arranged at the upper end of the conveying shell, a crushing shell is arranged at one side of the conveying shell, a crushing device for crushing rock blocks is arranged in the crushing shell, a conveying assembly for conveying the rock fragments is arranged between the crushing shell and the conveying shell, one end of the conveying pipeline extends into the conveying chamber and is fixedly connected with the conveying shell, and a high-pressure water pipe is arranged at one side of the conveying shell and penetrates through the side wall of the conveying shell and is fixedly connected with the conveying shell.
Description
Technical Field
The application relates to the technical field of shield construction, in particular to a slag discharging system for a tunnel shield machine.
Background
At present, the shield tunneling machine is widely used for tunnel engineering of subways, railways, highways, municipal administration, hydropower and the like, the automation degree of tunnel construction of the shield tunneling machine is high, labor and effort are saved, the construction speed is high, meanwhile, ground subsidence can be controlled during excavation, and the influence on ground buildings is reduced.
In the construction process of the existing shield tunneling machine, the cutter head rotates to cut the rock layer, a large amount of rock fragments can be generated, in order to reduce the space occupied by the rock fragments in a tunnel, a conveying device is arranged in the shield tunneling machine, the rock fragments are conveyed to a conveying pipeline through the conveying device, high-pressure water flowing along the direction deviating from the cutter head is arranged at one end of the conveying pipeline, which is close to the conveying device, and after the rock fragments enter the conveying pipeline, the rock fragments are contacted with water flow to form rock pulp and move towards the outlet end of the tunnel.
Aiming at the related technology, the inventor considers that the rock scraps easily contain large-volume rock blocks, and the rock blocks are easily accumulated in the conveying pipeline in the process of moving the rock blocks in the conveying pipeline by high-pressure water flow, so that the conveying pipeline is blocked, further, the rock scraps in the tunnel are not easily conveyed outwards continuously, inconvenience is caused for tunnel construction, and the defect of low tunnel construction efficiency exists.
Disclosure of Invention
In order to improve the construction efficiency of a tunnel, the application provides a slag discharging system for a tunnel shield machine.
The application provides a slag discharging system for a tunnel shield machine, which adopts the following technical scheme:
the utility model provides a slag discharging system for tunnel shield constructs machine, which comprises a bod, blade disc and transportation pipeline, the organism front end is provided with the delivery chamber, the delivery chamber front end is the opening, the blade disc sets up and rotates with the delivery chamber at delivery chamber front end and is connected, be provided with the conveyer belt that is used for following the conveying rock bits of keeping away from the blade disc direction in the delivery chamber, the conveyer belt is kept away from and is provided with the delivery casing under the blade disc one end, delivery casing lower extreme and delivery chamber inner wall fixed connection, delivery casing upper end is the opening form, delivery casing upper end is provided with first filter screen, first filter screen and delivery casing sliding connection, delivery casing one side is provided with the crushing shell, crushing shell and delivery chamber inner wall are connected fixedly, be provided with the breaker who is used for broken rock mass in the crushing shell and the delivery casing, the one end of transportation pipeline stretches into in the delivery chamber and delivery casing is connected fixedly, and the delivery casing is linked together, delivery casing one side is provided with high-pressure water pipe, high-pressure water pipe is close to delivery casing one end and runs through delivery casing lateral wall and delivery casing fixed connection.
Through adopting above-mentioned technical scheme, the blade disc cuts the stratum, produce the detritus, the detritus falls to the conveying chamber, the conveyer belt conveys the detritus, make the detritus fall to carrying the shell department, first filter screen filters the detritus, block bulky detritus, bulky detritus moves to the crushing shell through the transportation subassembly in, breaker breaks bulky detritus, the rethread transportation subassembly removes to carrying in the shell, the high-pressure water pipe sprays rivers in to carrying the shell, rivers and the detritus contact formation magma that falls into in the carrying the shell, flow to tunnel exit direction along the transportation pipeline, break the detritus through breaker, make the transportation pipeline be difficult for taking place to block up, difficult pile up the detritus in the tunnel, convenience is provided for tunnel construction, thereby the efficiency of construction of tunnel has been improved.
Optionally, breaker includes pivot and broken stick, and the both ends of pivot run through the relative both sides wall of broken shell respectively and broken shell rotates to be connected, and broken stick is provided with to the piece, and the one end of a plurality of broken sticks all with the circumference lateral wall fixed connection of pivot, broken shell outside fixedly connected with motor, the output shaft of motor and the one end fixed connection of pivot.
Through adopting above-mentioned technical scheme, the starter motor, motor drive pivot rotate, and the pivot drives broken stick and rotates, and broken stick pivoted in-process collides with the rock for the rock is cracked, thereby breaker has realized the breakage of rock.
Optionally, first delivery outlet has been run through to transport shell towards a crushing shell lateral wall upper end, first filter screen is in the top of first delivery outlet bottom side, transport shell has run through to a crushing shell lateral wall lower extreme and has seted up first input port, a crushing shell has run through to a transport shell lateral wall upper end and has seted up the second input port, the crushing shell diapire has run through and has seted up the second delivery outlet, transport assembly includes output plate and input plate, output plate one end and transport shell's first delivery outlet diapire fixed connection, output plate keeps away from transport shell one end and the second of crushing shell input port bottom wall fixed connection, and output plate from last to following down along the slope setting towards crushing shell direction, the input plate is in crushing shell below, input plate one end and crushing shell second delivery outlet keep away from transport shell lateral wall fixed connection, input plate is kept away from crushing shell one end and transport shell first input port bottom wall fixed connection, and input plate is from last to down along setting towards transport shell one side slope.
Through adopting above-mentioned technical scheme, after the rock mass falls onto first filter screen, the rock mass falls into the crushing shell along the output board from the second input port, and breaker is broken to the rock mass after accomplishing, and the detritus falls onto the input board from the second output port to in entering to the output shell along the input board from first input port, the reciprocating motion of detritus has been realized in the setting of transportation subassembly.
Optionally, a second filter screen is fixedly connected with the inside of the crushing shell below the crushing device.
Through adopting above-mentioned technical scheme, the second filter screen filters the rock in the broken shell, blocks great rock and continue to break until can fall to the input plate from second filter screen department to the broken degree of rock has been improved to the second filter screen.
Optionally, the conveying shell is internally fixedly connected with an auxiliary plate, one end of the auxiliary plate, which is close to the high-pressure water pipe, is positioned below the high-pressure water pipe, one end of the auxiliary plate, which is close to the conveying pipeline, is positioned in the same horizontal plane with the bottom wall of the conveying pipeline, the first input port is positioned above the auxiliary plate, and the auxiliary plate is obliquely arranged from top to bottom along the direction towards the conveying pipeline.
Through adopting above-mentioned technical scheme, when the in-process that the detritus moved downwards through first filter screen, at first falls to the accessory plate, mixes with rivers and forms the magma, falls to in the transportation pipeline along the direction of accessory plate slope again to the setting of accessory plate has played the guide effect for the removal of magma.
Optionally, the spout has all been seted up in the vertical direction run through at the both ends of the relative both sides of transport shell, and first filter screen is the rectangle, and the equal fixedly connected with branch in four corners department of first filter screen, branch keep away from first filter screen one end and pass spout and transport shell sliding connection, branch and spout one-to-one, transport shell relative both sides are provided with the extension board, and the equal fixed connection of extension board and two spinal branch poles of homonymy is provided with the mobile device who drives the extension board and reciprocate in the below of extension board.
Through adopting above-mentioned technical scheme, mobile device drives the extension board and reciprocates, and the extension board drives branch and removes, and branch drives first filter screen and shake from top to bottom, has accelerated the filtration to the detritus through first filter screen vibrations, and the difficult emergence of first filter screen upper surface is blockked up simultaneously.
Optionally, the both ends of pivot all are provided with first belt pulley, the pivot runs through first belt pulley and first belt pulley fixed connection, mobile device includes cam and second belt pulley, cam and second belt pulley all are provided with two, two cams set up respectively in the below of both sides extension board, cam deviates from and carries shell one side and is provided with the bull stick, bull stick one end runs through cam and carries shell lateral wall to rotate and connect, cam and bull stick fixed connection, bull stick keep away from and carries shell one end and second belt pulley fixed connection, second belt pulley and bull stick one-to-one, both sides second belt pulley department all is provided with the belt, and the belt cover is on first belt pulley and second belt pulley.
Through adopting above-mentioned technical scheme, the motor drives the pivot and rotates, and the pivot drives first belt pulley and rotates, and first belt pulley drives the belt and rotates, and the belt drives the second belt pulley and rotate, and the second belt pulley drives the bull stick and rotates, and the bull stick drives the cam and rotates, and the cam drives the extension board and reciprocates, and then the mobile device has realized driving the function of vibrations about the first filter screen.
Optionally, the opposite sides of input board and output board are all along self length direction fixedly connected with first baffle.
Through adopting above-mentioned technical scheme, rock mass or rock fragment remove the in-process on input board and output board, and first baffle blocks rock fragment or rock mass, makes rock fragment or rock mass be difficult for falling downwards from the opposite both sides of input board or output board.
Optionally, be provided with the baffle in the delivery chamber, baffle and delivery chamber's circumference inner wall fixed connection, and broken shell and delivery shell are both in baffle and deviate from blade disc one side, and the conveyer belt is close to blade disc one end and the indoor diapire butt of delivery, and the conveyer belt is from supreme along keeping away from the slope of blade disc direction setting down, and blade disc one end is kept away from to the conveyer belt runs through the baffle and stretches to directly over the delivery shell, conveyer belt and baffle fixed connection.
Through adopting above-mentioned technical scheme, the in-process that the detritus falls to the conveying chamber, the baffle blocks the detritus, makes the detritus be difficult for splashing to conveying shell and broken shell department and collision with both to the baffle has played the guard action to conveying shell and broken shell.
Optionally, the conveying board is all fixedly connected with along the conveyer belt direction to the opposite both sides wall of conveying room, and conveying board is close to conveyer belt one end and conveyer belt and is close to blade disc one end butt, and the opposite both sides of conveyer belt are along conveyer belt direction of transmission fixedly connected with second baffle.
Through adopting above-mentioned technical scheme, after the detritus falls to the conveying chamber, the detritus removes to conveyer belt department under the guide effect of delivery board, and the conveyer belt carries the detritus again, and the in-process of carrying, the second baffle of conveyer belt both sides blocks the detritus, makes the detritus be difficult for droing from the conveyer belt.
In summary, the present application includes at least one of the following beneficial technical effects:
the rock scraps are screened by the first filter screen, and then the large-volume rock blocks are crushed by the crushing device, so that the transportation pipeline is not easy to be blocked, the rock scraps are not easy to accumulate in the tunnel, convenience is brought to tunnel construction, and the construction efficiency of the tunnel is improved;
through the arrangement of the conveying component, the rock blocks or rock fragments are conveyed between the crushing shell and the conveying shell;
the first filter screen is driven to vibrate through the moving assembly, so that the first filter screen is used for filtering rock debris, and the rock debris is not easy to block at the first filter screen.
Drawings
FIG. 1 is a schematic structural view of a slag discharging system for a tunnel shield machine according to an embodiment of the present application;
FIG. 2 is a cross-sectional view showing the internal structure of a transfer chamber in an embodiment of the present application;
FIG. 3 is a schematic view of a structure embodying a crushing shell in an embodiment of the present application;
FIG. 4 is a cross-sectional view of a structure embodying a crushing apparatus in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a mobile device according to an embodiment of the present application.
In the figure, 1, a machine body; 11. a transport chamber; 12. a conveyor belt; 121. a second baffle; 13. a high pressure water pipe; 14. a partition plate; 15. a conveying plate; 2. a cutterhead; 3. a transport pipe; 4. a transport housing; 41. a first filter screen; 42. a first output port; 43. a first input port; 44. an auxiliary plate; 45. a chute; 46. a support rod; 47. a support plate; 48. a rotating rod; 5. crushing the shell; 51. a motor; 52. a second input port; 53. a second output port; 54. a second filter screen; 55. a first pulley; 56. a belt; 57. a support column; 6. a crushing device; 61. a rotating shaft; 62. crushing the rod; 7. a transport assembly; 71. an output board; 72. an input board; 8. a mobile device; 81. a cam; 82. a second pulley; 9. a first baffle.
Detailed Description
The present application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a slag discharging system for a tunnel shield machine.
Referring to fig. 1 and 2, a slag discharging system for a tunnel shield machine comprises a machine body 1 and a cutter head 2, wherein a conveying chamber 11 is arranged at the front end of the machine body 1, the front end of the conveying chamber 11 is an opening, and the cutter head 2 is arranged at the front end of the conveying chamber 11 and is rotatably connected with the front wall of the conveying chamber 11. During the rotation of the cutterhead 2, rock strata are cut and the generated rock cuttings fall into the conveying chamber 11.
Referring to fig. 2, a conveying belt 12 for conveying rock debris along a direction far away from a cutterhead 2 is arranged in a conveying chamber 11, the conveying belt 12 is obliquely arranged along the direction far away from the cutterhead 2 from bottom to top, one end of the conveying belt 12 close to the cutterhead 2 is abutted against the inner wall of the conveying chamber 11, a conveying shell 4 is arranged right below one end of the conveying belt 12 far away from the cutterhead 2, the conveying shell 4 is fixedly connected with the inner wall of the conveying chamber 11, the upper end of the conveying shell 4 is provided with an opening, two opposite side walls of the front end of the conveying chamber 11 are fixedly connected with conveying plates 15, the conveying plates 15 are arranged along the direction far away from the cutterhead 2 and towards the conveying belt 12, one side of the conveying plates 15 close to the conveying belt 12 is abutted against the conveying belt 12, a partition plate 14 is arranged between the conveying plates 15 and the conveying shell 4, the circumferential side wall of the partition plate 14 is fixedly connected with the inner wall of the conveying chamber 11, and the conveying belt 12 penetrates through the partition plate 14 and the partition plate 14 is fixedly connected with the partition plate 14.
The second barrier 121 is fixedly connected to opposite sides of the conveyor belt 12 in the conveying direction of the conveyor belt 12.
After entering the conveying chamber 11, the rock fragments are accumulated towards the conveying belt 12 under the guiding action of the conveying plate 15, the conveying belt 12 conveys the rock fragments to the conveying shell 4 and falls to the upper end of the conveying shell 4, and the second baffle 121 blocks the rock fragments in the conveying process of the rock fragments on the conveying belt 12, so that the rock fragments are not easy to fall downwards from two opposite sides of the conveying belt 12.
Referring to fig. 2 and 3, the upper end of the delivery casing 4 is provided with a first filter screen 41, and the first filter screen 41 is slidably coupled to the delivery casing 4.
In the process of downward movement of the rock fragments, the rock fragments fall onto the first filter screen 41, and the first filter screen 41 filters the rock fragments, so that the rock fragments and the rock fragments with large volumes are separated.
Referring to fig. 3 and 4, a crushing shell 5 is arranged on one side of the conveying shell 4, a supporting column 57 is fixedly connected to the side wall of the crushing shell 5, one end, far away from the crushing shell 5, of the supporting column 57 is fixedly connected with the inner wall of the conveying chamber 11, a crushing device 6 for crushing large-volume rock blocks is arranged in the crushing shell 5, and a motor 51 is fixedly connected to the outer side wall, far away from the partition plate 14, of the crushing shell 5.
The crushing device 6 comprises a rotating shaft 61 and crushing rods 62, wherein two ends of the rotating shaft 61 respectively penetrate through two opposite side walls of the crushing shell 5 and are in rotary connection with the crushing shell 5, an output shaft of the motor 51 is fixedly connected with one end of the rotating shaft 61, the crushing rods 62 are provided with a plurality of crushing rods, one ends of the crushing rods 62 are fixedly connected with the circumferential side walls of the rotating shaft 61, and the crushing rods 62 are perpendicular to the rotating shaft 61.
After the first filter screen 41 blocks the large-volume rock, the large-volume rock enters the crushing shell 5, the motor 51 is started, the motor 51 drives the rotating shaft 61 to rotate, the rotating shaft 61 drives the crushing rod 62 to rotate, and the crushing rod 62 collides with the large-volume rock in the rotating process to crush the rock and form fragments.
Referring to fig. 4, a first output port 42 is formed in the upper end of the conveying shell 4 facing the crushing shell 5, a first input port 43 is formed in the lower end of the conveying shell 4 facing the crushing shell 5, a second input port 52 is formed in the upper end of the crushing shell 5 facing the conveying shell 4, a second output port 53 is formed in the bottom wall of the crushing shell 5, and a conveying assembly 7 for conveying rock blocks and rock fragments is arranged between the conveying shell 4 and the crushing shell 5.
The transport assembly 7 includes output plate 71 and input plate 72, output plate 71 one end and the first delivery port 42 diapire fixed connection of carrying shell 4, output plate 71 keeps away from carrying shell 4 one end and the second input port 52 diapire fixed connection of crushing shell 5, and output plate 71 sets up along orientation crushing shell 5 direction slope from top to bottom, input plate 72 one end and crushing shell 5 second delivery port 53 keep away from carrying shell 4 a lateral wall fixed connection, input plate 72 keeps away from crushing shell 5 one end and the first input port 43 diapire fixed connection of carrying shell 4, and input plate 72 inclines to set up along orientation carrying shell 4 direction slope from top to bottom, output plate 71 and input plate 72's opposite both sides are all along self length direction fixedly connected with first baffle 9.
The rock mass moves along the direction of inclination of the output plate 71 from the output plate 71 towards the crushing shell 5, after the rock mass is crushed, falls onto the input plate 72 from the second output port 53 at the bottom end, moves along the direction of inclination of the input plate 72 towards the conveying shell 4 and moves into the conveying shell 4, and during the movement of the rock mass or rock debris on the input plate 72 or the output plate 71, the first baffle 9 blocks the rock mass or rock debris so that the rock mass or rock debris is not easy to fall from the opposite sides of the input plate 72 or the output plate 71.
Referring to fig. 4, a second filter screen 54 is fixedly connected to the inside of the crushing shell 5, the second filter screen 54 is located below the crushing device 6, and the second filter screen 54 is curved. When the rock mass is not broken, the second filter screen 54 blocks the rock mass while the breaking device 6 continues to break the rock mass, thereby improving the sufficiency of breaking the rock mass.
Referring to fig. 3 and 4, the bottom end of the conveying shell 4 on the side far away from the partition plate 14 is fixedly connected with a conveying pipeline 3 along the direction far away from the partition plate 14, the conveying pipeline 3 is communicated with the conveying shell 4, a high-pressure water pipe 13 is arranged on the side of the conveying shell 4 facing the crushing shell 5 along the direction far away from the partition plate 14, and one end, close to the conveying shell 4, of the high-pressure water pipe 13 penetrates through the conveying shell 4 and is fixedly connected with the conveying shell 4.
An auxiliary plate 44 is arranged in the conveying shell 4, the auxiliary plate 44 is fixedly connected with the circumferential inner wall of the conveying shell 4, the auxiliary plate 44 is obliquely arranged from top to bottom along the direction facing the conveying pipeline 3, one side of the auxiliary plate 44 close to the conveying pipeline 3 and the bottom wall of the conveying pipeline 3 are in the same horizontal plane, and the first output port 42 and the high-pressure water pipe 13 are both positioned above the auxiliary plate 44.
After entering the conveying shell 4 from the first filter screen 41 or from the first input port 43, the rock fragments fall onto the auxiliary plate 44, and simultaneously the high-pressure water pipe 13 sprays high-pressure water flow into the conveying pipe, the water flow and the rock fragments are contacted to form rock pulp, and the rock pulp flows into the conveying pipeline 3 along the inclined direction of the auxiliary plate 44 and moves along the conveying pipeline 3 towards the direction outside the tunnel.
Referring to fig. 3 and 5, first belt pulleys 55 are disposed on opposite sides of the crushing shell 5, the first belt pulleys 55 are located on the outer side of the crushing shell 5, two ends of a rotating shaft 61 penetrate through the first belt pulleys 55 on the opposite sides respectively, the first belt pulleys 55 are fixedly connected with the rotating shaft 61, sliding grooves 45 are formed in the two ends of opposite sides of the conveying shell 4, supporting rods 46 are disposed in the sliding grooves 45 of the conveying shell 4, the supporting rods 46 and the conveying shell 4 are slidably connected along the length direction of the sliding grooves 45, one ends, close to the first filter screen 41, of the supporting rods 46 are fixedly connected with the first filter screen 41, supporting plates 47 are fixedly arranged between the supporting rods 46 on the same side, and moving devices 8 used for driving the supporting plates 47 to move up and down are disposed below the supporting plates 47.
The moving device 8 comprises a cam 81 and a second belt pulley 82, the cam 81 is arranged below the support plate 47 and is in butt joint with the support plate 47, rotating rods 48 are arranged on two opposite sides of the conveying shell 4, one end of each rotating rod 48 is rotationally connected with the outer side wall of the conveying shell 4, one end of each rotating rod 48, far away from the conveying shell 4, penetrates through the cam 81 and the cam 81 to be fixedly connected, the second belt pulley 82 is arranged on one side, away from the conveying shell 4, of the cam 81, the second belt pulley 82 is close to one side of the cam 81 and is fixedly connected with the rotating rod 48, and the belt 56 is sleeved on the outer sides of the first belt pulley 55 and the second belt pulley 82 on the same side.
The rotating shaft 61 rotates to drive the first belt pulley 55 to rotate, the first belt pulley 55 drives the belt 56 to rotate, the belt 56 drives the second belt pulley 82 to rotate, the second belt pulley 82 drives the rotating rod 48 to rotate, the rotating rod 48 drives the cam 81 to rotate, the cam 81 drives the support plate 47 to move up and down, the support plate 47 drives the support rod 46 to move, the support rod 46 drives the first filter screen 41 to vibrate up and down, and the filtering speed of rock debris is accelerated through the vibration of the first filter screen 41.
The implementation principle of the slag discharging system for the tunnel shield machine provided by the embodiment of the application is as follows: the cutter head 2 rotates to cut rock strata, the produced rock scraps fall into the conveying chamber 11, the conveying belt 12 conveys the rock scraps falling into the conveying chamber 11 to the conveying shell 4, the first filter screen 41 filters the rock scraps, and large-volume rock masses enter the crushing shell 5 along the output plate 71, the crushing device 6 crushes the rock masses, the crushed rock masses enter the conveying shell 4 along the input plate 72, the high-pressure water pipe 13 sprays high-pressure water flow towards the conveying shell 4, the water flow contacts with the rock scraps to form magma, the magma enters the conveying pipeline 3 and moves outwards towards the tunnel, the large-volume rock masses are blocked by the first filter screen 41, and the crushing device 6 crushes the large-volume rock masses, so that the conveying pipeline 3 is not easy to block, the rock scraps are not easy to accumulate in the tunnel, convenience is provided for tunnel construction, and the construction efficiency of the tunnel is improved.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a slag discharging system for tunnel shield constructs machine, includes organism (1), blade disc (2) and transportation pipeline (3), its characterized in that: the machine body (1) front end is provided with a conveying chamber (11), the front end of the conveying chamber (11) is provided with an opening, a cutter disc (2) is arranged at the front end of the conveying chamber (11) and is rotationally connected with the conveying chamber (11), a conveying belt (12) for conveying rock fragments along a direction far away from the cutter disc (2) is arranged in the conveying chamber (11), a conveying shell (4) is arranged under one end of the conveying belt (12) far away from the cutter disc (2), the lower end of the conveying shell (4) is fixedly connected with the inner wall of the conveying chamber (11), the upper end of the conveying shell (4) is provided with an opening, the upper end of the conveying shell (4) is provided with a first filter screen (41), the first filter screen (41) is in sliding connection with the conveying shell (4), one side of the conveying shell (4) is provided with a crushing shell (5), the crushing shell (5) is fixedly connected with the inner wall of the conveying chamber (11), a conveying assembly (7) for conveying rock fragments is arranged between the crushing shell (5) and the conveying shell (4), one end of a conveying pipeline (3) stretches into the conveying chamber (11) and is fixedly connected with the conveying shell (4), the conveying shell (13) is communicated with one side of the conveying shell (4), one end of the high-pressure water pipe (13) close to the conveying shell (4) penetrates through the side wall of the conveying shell (4) and is fixedly connected with the conveying shell (4).
2. The slag discharging system for a tunnel shield machine according to claim 1, wherein: the crushing device (6) comprises a rotating shaft (61) and crushing rods (62), wherein two ends of the rotating shaft (61) respectively penetrate through two opposite side walls of the crushing shell (5) and the crushing shell (5) to be connected in a rotating mode, one ends of the crushing rods (62) are fixedly connected with the circumferential side walls of the rotating shaft (61), a motor (51) is fixedly connected to the outer side of the crushing shell (5), and an output shaft of the motor (51) is fixedly connected with one end of the rotating shaft (61).
3. The slag discharging system for a tunnel shield machine according to claim 1, wherein: the conveying shell (4) is provided with a first output port (42) in a penetrating way towards the upper end of one side wall of the crushing shell (5), the first filter screen (41) is positioned above the bottom side of the first output port (42), the conveying shell (4) is provided with a first input port (43) in a penetrating way towards the lower end of one side wall of the crushing shell (5), the crushing shell (5) is provided with a second input port (52) in a penetrating way towards the upper end of one side wall of the conveying shell (4), the bottom wall of the crushing shell (5) is provided with a second output port (53), the conveying assembly (7) comprises an output plate (71) and an input plate (72), one end of the output plate (71) is fixedly connected with the bottom wall of the first output port (42) of the conveying shell (4), one end of the output plate (71) is far away from the bottom side wall of the conveying shell (4) and the second input port (52) of the crushing shell (5), the output plate (71) is obliquely arranged from top to bottom along the direction towards the crushing shell (5), one end of the input plate (72) is positioned below the crushing shell (5), one end of the input plate (72) is far away from the side of the conveying shell (4) and the bottom wall of the conveying shell (4) is fixedly connected with one end of the input plate (43), and the input plate (72) is arranged obliquely from top to bottom along the side towards the conveying shell (4).
4. The slag discharging system for a tunnel shield machine according to claim 1, wherein: the inside of the crushing shell (5) is fixedly connected with a second filter screen (54) below the crushing device (6).
5. The slag discharging system for a tunnel shield machine according to claim 3, wherein: the conveying shell (4) is internally fixedly connected with an auxiliary plate (44), one end of the auxiliary plate (44) close to the high-pressure water pipe (13) is located below the high-pressure water pipe (13), one end of the auxiliary plate (44) close to the conveying pipeline (3) and the bottom wall of the conveying pipeline (3) are located in the same horizontal plane, the first input port (43) is located above the auxiliary plate (44), and the auxiliary plate (44) is obliquely arranged from top to bottom along the direction towards the conveying pipeline (3).
6. The slag discharging system for a tunnel shield machine according to claim 2, wherein: the utility model discloses a conveyor, including transport shell (4), spout (45) have all been run through along vertical direction at the both ends of transport shell (4) relative both sides, first filter screen (41) are rectangle, the equal fixedly connected with branch (46) in four corners department of first filter screen (41), branch (46) are kept away from first filter screen (41) one end and are passed spout (45) and transport shell (4) sliding connection, branch (46) and spout (45) one-to-one, the relative both sides of transport shell (4) are provided with extension board (47), the equal fixed connection of extension board (47) and two branches (46) of homonymy is provided with mobile device (8) that drive extension board (47) reciprocates in the below of extension board (47).
7. The slag discharging system for a tunnel shield machine according to claim 6, wherein: the utility model discloses a belt conveyor, including pivot (61), pivot (61) are provided with first belt pulley (55), pivot (61) run through first belt pulley (55) and first belt pulley (55) fixed connection, mobile device (8) are including cam (81) and second belt pulley (82), cam (81) and second belt pulley (82) all are provided with two, two cams (81) set up respectively in the below of both sides extension board (47), cam (81) deviate from transport shell (4) one side and are provided with bull stick (48), bull stick (48) one end runs through cam (81) and transport shell (4) lateral wall rotation and is connected, cam (81) and bull stick (48) fixed connection, bull stick (48) are kept away from transport shell (4) one end and second belt pulley (82) fixed connection, second belt pulley (82) and bull stick (48) one-to-one, both sides second belt pulley (82) department all is provided with belt (56), and belt (56) cover is on first belt pulley (55) and second belt pulley (82).
8. The slag discharging system for a tunnel shield machine according to claim 3, wherein: the opposite sides of the input plate (72) and the output plate (71) are fixedly connected with a first baffle (9) along the length direction of the input plate and the output plate.
9. The slag discharging system for a tunnel shield machine according to claim 1, wherein: be provided with baffle (14) in delivery chamber (11), the circumference inner wall fixed connection of baffle (14) and delivery chamber (11), and crushing shell (5) and delivery shell (4) are in baffle (14) and deviate from blade disc (2) one side, conveyer belt (12) are close to blade disc (2) one end and delivery chamber (11) interior diapire butt, conveyer belt (12) follow supreme blade disc (2) direction slope setting of keeping away from down, conveyer belt (12) are kept away from blade disc (2) one end and are run through baffle (14) and stretch to directly over delivery shell (4), conveyer belt (12) and baffle (14) fixed connection.
10. The slag discharging system for a tunnel shield machine according to claim 1, wherein: the conveying chamber (11) is fixedly connected with conveying plates (15) along the direction towards the conveying belt (12), one end of the conveying plates (15) close to the conveying belt (12) is abutted with one end of the conveying belt (12) close to the cutterhead (2), and the second baffle (121) is fixedly connected with the two opposite sides of the conveying belt along the conveying direction of the conveying belt (12).
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| CN202311339783.1A CN117072190B (en) | 2023-10-17 | 2023-10-17 | Slag discharging system for tunnel shield machine |
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| CN202311339783.1A CN117072190B (en) | 2023-10-17 | 2023-10-17 | Slag discharging system for tunnel shield machine |
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| CN109611113A (en) * | 2019-01-09 | 2019-04-12 | 康明克斯(北京)环保技术有限公司 | A kind of earth pressure balanced shield, EPBS dregs continuous conveying equipment |
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| CN117072190B (en) | 2024-02-02 |
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