CN114562286B - Shallow undercut tunnel construction equipment that buries of large-span - Google Patents
Shallow undercut tunnel construction equipment that buries of large-span Download PDFInfo
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- CN114562286B CN114562286B CN202210201615.5A CN202210201615A CN114562286B CN 114562286 B CN114562286 B CN 114562286B CN 202210201615 A CN202210201615 A CN 202210201615A CN 114562286 B CN114562286 B CN 114562286B
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- soil
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D9/124—Helical conveying means therefor
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention provides large-span shallow-buried underground excavation tunnel construction equipment, which solves the problems that soil cannot be output in time in the process of constructing an underground tunnel, a spiral conveyor is blocked and maintained unchanged, and a motor is burnt out after the blockage; the soil scraping ring frame is coaxially and fixedly connected to the driving shaft, a plurality of soil scraping bins are arranged on the soil scraping ring frame, two diversion inclined plates which are symmetrically distributed on the lower side of a lower supporting sleeve are fixedly connected to the soil separating plate, the two diversion inclined plates incline to the direction close to the axis of the supporting sleeve to the downward direction, a storage box is arranged below the backflow inclined plates, a rock soil conveying device is arranged in the storage box, and the rock soil conveying device penetrates through the soil separating plate; the invention has the advantages of exquisite structure and strong practicability.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to large-span shallow-buried underground excavation tunnel construction equipment.
Background
The shallow excavation method is a method for carrying out various underground cavern excavation constructions in the underground close to the ground surface. In the soft surrounding rock stratum of cities and towns, the underground engineering is built under the shallow buried condition, the geological condition is improved on the premise of controlling the ground surface settlement, the grating and the spray anchor are used as primary support means, the construction is carried out according to the eighteen-character principle, the shallow buried underground excavation method is called, the tunneling equipment utilizes a rotary cutter to excavate, and simultaneously, the surrounding rock and the tunneling in a hole are broken, so that the novel and advanced tunnel construction machine of the whole tunnel section is formed.
However, the following problems are mostly existed in the current process of constructing the underground tunnel:
1. during the construction process of the tunnel, the broken soil of the shield machine cannot be discharged in time, meanwhile, the soil is conveyed by the conventional spiral conveyor, the complete conveying of the soil cannot be guaranteed, and the problem that the excavation efficiency of the shield machine is limited when the soil is accumulated can occur;
2. the existing spiral conveying machine has the problems that the existing spiral conveying machine has a blocking phenomenon and is inconvenient to maintain, and when the existing spiral conveying machine is blocked, the rotation of a motor is blocked, so that the motor is burnt out, the project progress is influenced, and the existing spiral conveying machine is inconvenient to maintain;
3. soil and clods can not be broken in advance during conveying, so that the clods can not be blocked or jammed in the conveying process.
Therefore, the invention provides a large-span shallow-buried underground excavation tunnel construction device to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the large-span shallow-buried underground excavation tunnel construction equipment, which effectively solves the problems that soil cannot be output in time, a spiral conveyor is blocked and maintained unchanged, and a motor is burnt out after the blockage in the process of constructing the underground tunnel.
The device comprises a support sleeve arranged under the ground, wherein the left end of the support sleeve is coaxially and rotatably connected with a drilling machine, an earth-separating plate is coaxially and fixedly connected in the support sleeve, the right end of the drilling machine is coaxially and fixedly connected with a driving shaft, the driving shaft is rotatably connected with the earth-separating plate, and the driving shaft is connected with a driving device fixedly connected with the earth-separating plate;
the drive shaft on coaxial fixedly connected with arrange in soil scraping ring frame between soil separating plate and the drilling machine, soil scraping ring frame on seted up a plurality of soil scraping storehouse, soil separating plate on two symmetric distributions of fixedly connected with down the water conservancy diversion swash plate of support cover downside, two the water conservancy diversion swash plate slope to being close to support cover axle center downward direction, the refluence swash plate under placed the receiver, the receiver built-in have ground conveyor, ground conveyor run through soil separating plate, the support cover in the lower extreme of right side put belt conveyor, ground conveyor right-hand member arrange in belt conveyor upper end.
Preferably, the left end of the soil scraping ring frame is fixedly connected with a soil gathering frame coaxially, the left end of the soil gathering frame is fixedly connected with a plurality of wedge-shaped scrapers, and one side of each wedge-shaped scraper is in an inclined plane shape.
Preferably, the rock soil conveying device is a conveying pipe, a propeller blade is rotationally connected in the conveying pipe, a containing semicircular groove matched with the conveying pipe is formed in the containing box, and one end of the propeller blade is arranged in the containing semicircular groove;
the right end of the conveying pipe is connected with a driving ring sleeve, the driving ring sleeve is rotatably connected with a rotating shaft rod, the rotating shaft rod is connected with a driving motor fixedly connected to the driving ring sleeve, the propeller blades are provided with limiting holes matched with the rotating shaft rod, the rotating shaft rod is provided with a plurality of sliding tracks, sliding limiting strips are all slidably connected in the sliding tracks along the radial direction of the rotating shaft rod, sliding rails are arranged on the sliding limiting strips, arc-shaped pressing plates are slidably connected in the sliding tracks, and the arc-shaped pressing plates are connected with the sliding rails through springs;
the left end and the right end of the sliding limiting strip are fixedly connected with push plates, a hydraulic bin matched with the push plates is arranged in the sliding track, the upper end of the hydraulic bin is communicated with an oil duct arranged on the sliding limiting strip, and the other end of the oil duct is communicated with the sliding track;
the limiting hole is provided with a plurality of limiting tracks matched with the sliding limiting strips.
Preferably, the driving ring sleeve is detachably connected with the conveying pipe, the outer wall of the driving ring sleeve is fixedly connected with a plurality of fastening arc-shaped plates which are distributed at equal intervals, and threaded holes are formed in the fastening arc-shaped plates;
the right end of the conveying pipe is fixedly connected with a plurality of fastening plates matched with the fastening arc-shaped plate, and the fastening plates are provided with threaded holes as the same as those on the fastening arc-shaped plate.
Preferably, the left side of the conveying pipe is of a detachable structure, the conveying pipe comprises a lower end pipe and an upper end pipe, the upper end pipe is matched with the lower end pipe, and the upper end pipe and the lower end pipe are connected through bolts;
the lower end pipe is provided with a discharging hole at the right end, a diversion box fixedly connected with the lower end pipe is arranged at the lower end of the discharging hole, and the diversion box is arranged at the upper end of the belt conveyor.
Preferably, the flow guide box is connected with a buffer plate in the front side wall and the rear side wall in a rotating mode, and the buffer plate is connected with the flow guide box through a torsion spring.
Preferably, the soil scraping bin is rotatably connected with a crushing rod, the crushing rod is coaxially and fixedly connected with a driving pinion, and the driving pinion is meshed with a guide gear ring fixedly connected to the soil separating plate.
The invention improves the existing shallow-buried underground excavation tunnel construction equipment, and effectively solves the problem of timely conveying the crushed soil and ensuring that the soil is completely conveyed to the outside by additionally arranging the soil isolation plate, the soil scraping ring frame, the soil scraping bin, the flow guide inclined plate and the belt conveyor; the problem of timely conveying the crushed soil into the soil scraping bin is effectively solved by arranging the soil gathering frame and the wedge-shaped scraper; the driving ring sleeve, the rotating shaft rod, the limiting hole, the sliding rail, the arc-shaped pressing plate, the pushing plate and the hydraulic bin are arranged, so that the problem that the driving motor is protected and the motor is burnt due to the fact that rotation is blocked is solved effectively; the problem of convenience in maintaining the blocked conveying pipe is effectively solved by arranging the upper end pipe and the lower end pipe; the problem of crushing large soil blocks is effectively solved by arranging the crushing rod, the driving pinion and the guide toothed ring; and the structure is simple and stable, and the universality is extremely high.
Drawings
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic view of the internal structure of the soil scraping ring frame of the present invention.
Fig. 4 is a partial schematic view of the drive shaft and its connection according to the present invention.
FIG. 5 is a partial schematic view of the drive shaft of the present invention.
Fig. 6 is a partial schematic view of the sliding stopper of the present invention.
Fig. 7 is a schematic cross-sectional view of the drive shaft of the present invention.
Fig. 8 is a schematic view of the internal structure of the soil scraping ring frame of the invention.
Fig. 9 is a schematic three-dimensional view of the scraper ring frame and the soil gathering frame of the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which proceeds with reference to the accompanying drawings, in which FIGS. 1 to 9 are shown. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The invention relates to large-span shallow-buried underground excavation tunnel construction equipment which comprises a support sleeve 1 arranged under the ground, wherein the support sleeve 1 supports the excavated inner wall of a tunnel, the left end of the support sleeve 1 is coaxially and rotatably connected with a drilling machine 2, the tunnel is excavated by the drilling machine 2, the distance of the drilling machine 2 is the same as the excavation principle of a shield tunneling machine, and the support sleeve is not repeated herein, a soil isolation plate 3 is coaxially and fixedly connected in the support sleeve 1, the broken rock and soil are isolated by the soil isolation plate 3, the rock and soil cannot slide to the right side of the support sleeve 1, the rock and soil fall between the soil isolation plate 3 and the drilling machine 2, a driving shaft 4 is coaxially and fixedly connected at the right end of the drilling machine 2, the driving shaft 4 is rotatably connected with the soil isolation plate 3, the driving shaft 4 is connected with a driving device fixedly connected on the soil isolation plate 3, the driving shaft 4 is driven by the external driving device to drive the driving shaft 4 to rotate, and further drive the underground excavation machine 2 to rotate;
the soil-scraping ring frame 5 is coaxially and fixedly connected to the driving shaft 4 and is arranged between the soil-separating plate 3 and the drilling machine 2, the soil-scraping ring frame 5 is driven to synchronously rotate in the rotating process of the driving shaft 4, a plurality of soil-scraping bins 6 are formed in the soil-scraping ring frame 5, soil between the soil-separating plate 3 and the drilling machine 2 is driven to slide upwards through the soil-scraping bins 6, cleaning of the lower soil is achieved, two guide inclined plates 7 which are symmetrically distributed on the lower side of the support sleeve 1 are fixedly connected to the soil-separating plate 3, the two guide inclined plates 7 are inclined to the direction close to the axis of the support sleeve 1, a storage box 8 is arranged below the backflow inclined plates, excavated soil and soil carried by the soil-scraping bins 6 enter the storage box 8 through the guide of the inclined plates 7, a rock-soil conveying device is arranged in the storage box 8, the rock-soil conveying device is a conventional screw conveyor arranged at the right end of the rock-soil conveying device in the embodiment, the rock-soil conveying device penetrates through the soil-separating plate 3, the rock-soil conveying device and enters the storage box 8 through the upper end of the rock-soil conveying device, and the rock-soil conveying device, the rock-soil conveying device is arranged on the right end of the rock-soil conveying device, and the storage box 8, and the rock-soil conveying device is arranged on the upper end of the rock-soil conveying device;
in the embodiment, the device is placed at a position where a tunnel needs to be dug, the driving device of the driving shaft 4 is started, the driving shaft 4 rotates to drive the drilling machine 2 to rotate, the driving shaft 4 rotates to drive the soil scraping ring frame 5 to synchronously rotate, the drilling machine 2 rotates to crush soil, so that the tunnel is excavated, the crushed soil falls between the drilling machine 2 and the soil separation plate 3, the soil entering between the drilling machine 2 and the soil separation plate 3 enters the storage box 8 under the flow guide effect of the flow guide inclined plate 7, then the screw conveyor is started to convey the soil entering the storage box 8 to the upper end of the belt conveyor, the crushed soil is conveyed to the outside through the belt conveyor, meanwhile, the soil scraping ring frame 5 rotates to scrape the soil at the lower end, the soil is driven to slide upwards, and enters the storage box 8 through the flow guide inclined plate 7 and simultaneously flows to the outside.
In the second embodiment, on the basis of the first embodiment, when soil is crushed by the drilling machine 2, a part of soil adheres to the drilling machine 2 to rotate, which affects the efficiency of the drilling machine 2, so this embodiment provides a structure for assisting crushed soil to smoothly enter the soil scraping ring frame 5, specifically, the left end of the soil scraping ring frame 5 is coaxially and fixedly connected with a soil gathering frame 9, the left end of the soil gathering frame 9 is fixedly connected with a plurality of wedge-shaped scrapers 10, one side of each wedge-shaped scraper 10 is in an inclined plane shape, the wedge-shaped scrapers 10 guide the crushed soil to the soil scraping ring frame 5, and it should be noted that the inclined plane direction of the wedge-shaped scrapers 10 is consistent with the rotation direction of the soil scraping ring frame 5, so that the wedge-shaped scrapers 10 rotate to drive the soil to smoothly enter the soil scraping ring frame 5.
In a third embodiment, on the basis of the first embodiment, when the soil is conveyed by the screw conveyor, the soil is blocked and the motor is damaged, so that the present embodiment provides a structure for protecting the motor, specifically, the soil conveying device comprises a conveying pipe 11, a screw blade 12 is rotatably connected in the conveying pipe 11, soil in the soil scraping ring frame 5 is conveyed to the outside by the rotation of the screw blade 12 and the cooperation of the conveying pipe 11, a storage semicircular groove 13 matched with the conveying pipe 11 is formed in the storage box 8, one end of the screw blade 12 is placed in the storage semicircular groove 13, and the soil in the storage semicircular groove 13 is driven to be conveyed into the conveying pipe 11 by the rotation of the screw blade 12;
the right end of the conveying pipe 11 is connected with a driving ring sleeve 14, the driving ring sleeve 14 is connected with a rotating shaft rod 15 in a rotating mode, the rotating shaft rod 15 is connected with a driving motor 16 fixedly connected to the driving ring sleeve 14, the driving motor 16 drives the rotating shaft rod 15, the propeller blades 12 are provided with limiting holes 17 matched with the rotating shaft rod 15, the rotating shaft rod 15 can be inserted into the axis of the propeller blades 12 and can slide left and right on the propeller blades 12, the rotating shaft rod 15 is provided with a plurality of sliding rails 20, the sliding rails 20 are internally and radially connected with sliding limiting strips 19 in a sliding mode along the rotating shaft rod 15, the sliding limiting strips 19 are connected with the sliding rails 20 through springs, the sliding limiting strips 19 slide in the sliding rails 20 of the fox, the sliding rails 19 are provided with sliding rails 20, the sliding rails 20 are internally and slidably connected with a pressing plate 21, the arc-shaped pressing plate 21 is connected with the sliding rails 20 through springs, and the sliding rails 21 slide in the sliding rails 20;
the left end and the right end of the sliding limiting strip 19 are fixedly connected with push plates 22, a hydraulic bin 23 matched with the push plates 22 is arranged in the sliding rail 20, the upper end of the hydraulic bin 23 is communicated with an oil duct 24 arranged on the sliding limiting strip 19, and the other end of the oil duct 24 is communicated with the sliding rail 20;
the limiting holes 17 are provided with a plurality of limiting rails 25 matched with the sliding limiting strips 19, when the propeller blade 12 is blocked and stuck, the rotating shaft 15 continuously rotates, the rotating shaft 15 rotates to enable the limiting holes 17 to extrude the arc-shaped pressing plates 21, the arc-shaped pressing plates 21 slide into the sliding rails 20, meanwhile, hydraulic oil in the sliding rails 20 enters the hydraulic bin 23, the hydraulic oil in the hydraulic bin 23 presses the pushing plates 22 to slide downwards, the sliding limiting strips 19 are driven to slide downwards, the sliding limiting strips 19 are further driven to be separated from the limiting holes 17, the rotating shaft 15 idles, the propeller blade 12 cannot be driven to rotate, the damage of a motor is avoided, and meanwhile, the arc-shaped pressing plates 21 are arc-shaped, the arc-shaped pressing plates 21 slide slowly, and the stability of the system is guaranteed.
Fourth embodiment, on the basis of the second embodiment, in order to facilitate the maintenance of the driving shaft 4, the connecting member thereof, and the propeller blade 12, the second embodiment provides a structure convenient for maintenance, specifically, the driving ring sleeve 14 is detachably connected with the conveying pipe 11, the outer wall of the driving ring sleeve 14 is fixedly connected with a plurality of fastening arc-shaped plates 26 distributed at equal intervals, and the fastening arc-shaped plates 26 are provided with threaded holes 27;
Fifth embodiment, on the basis of the second embodiment, in the soil conveying process, due to the fact that the shallow underground layer is constructed, sundries can affect rotation of the propeller blade 12, and therefore it is very important to clean the sundries in the conveying pipe 11, the structure facilitating sundries cleaning is provided in the present embodiment, specifically, the left side of the conveying pipe 11 is of a detachable structure, the conveying pipe 11 comprises a lower end pipe 30 and an upper end pipe 29, the upper end pipe 29 is matched with the lower end pipe 30, the upper end pipe 29 is connected with the lower end pipe 30 through a bolt, and the sundries in the conveying pipe 11 can be cleaned through detachable connection of the lower end pipe 30 and the upper end pipe 29, so that later maintenance is facilitated.
Sixth embodiment, on the basis of fifth embodiment, pass through propeller blade 12 when carrying the ground, the ground can appear to the phenomenon of splashing all around, so this embodiment provides a structure that prevents the ground from splashing, specifically, the baffle box 32 front and back both sides wall in all rotate and be connected with buffer plate 33, buffer plate 33 with the water conservancy diversion box 32 link to each other through the torsional spring, through buffer plate 33 right the ground gather together, also carried out the water conservancy diversion to the ground simultaneously, make the ground be unlikely to splash everywhere, and then guarantee the cleanliness factor in the support cover 1.
Seventh embodiment, on the basis of the first embodiment, in the rock and soil crushing process, soil blocks may appear, which may cause the screw conveyer to fail to normally convey, and therefore, the present embodiment provides a structure for crushing soil blocks and rock blocks, specifically, a crushing rod 34 is rotatably connected to the scraping bin 6, the soil in the scraping bin 6 is dispersedly crushed through rotation of the crushing rod 34, the crushing rod 34 is coaxially and fixedly connected with a driving pinion 35, the driving pinion 35 is engaged with a guide toothed ring 36 fixedly connected to the soil partition plate 3, the scraping ring frame 5 rotates to drive the crushing rod 34 to rotate, the crushing rod 34 rotates to drive the driving pinion 35 to rotate under the action of the guide toothed ring 36, and the driving pinion 35 rotates to drive the crushing rod 34 to rotate, thereby crushing the rock and soil in the scraping bin 6.
When the device is used specifically, the device is placed at a position where a tunnel needs to be dug, a driving device of the driving shaft 4 is started, the driving shaft 4 rotates to drive the drilling machine 2 to rotate, the driving shaft 4 rotates to drive the soil scraping ring frame 5 to rotate synchronously, the drilling machine 2 rotates to crush soil, excavation of the tunnel is further completed, the crushed soil falls between the drilling machine 2 and the soil isolation plate 3, the soil entering between the drilling machine 2 and the soil isolation plate 3 enters the storage box 8 under the flow guiding effect of the flow guiding inclined plate 7, then the screw conveyor is started to convey the soil entering into the storage box 8 to the upper end of the belt conveyor, then the crushed soil is conveyed to the outside through the belt conveyor, meanwhile, the soil scraping ring frame 5 rotates to scrape the soil at the lower end, the crushing rod 34 is driven to rotate in the rotation process of the soil scraping ring frame 5, the crushing rod 34 rotates, the crushing rod 34 drives the driving pinion 35 to rotate under the action of the guide toothed ring 36, the driving pinion 35 rotates to drive the crushing rod 34 to rotate, and further crush rock soil in the scraping bin 6, the soil at the lower side of the inclined plate slides upwards, the flow guiding inclined plate 7, and the storage box 8 simultaneously conveys the soil to the outside;
when propeller blade 12 takes place the jam card and dies, rotating shaft 15 continuously rotates, rotating shaft 15 rotates, make spacing hole 17 extrude arc clamp plate 21, arc clamp plate 21 slides to in the sliding rail 20, simultaneously hydraulic oil in the sliding rail 20 gets into in the hydraulic pressure storehouse 23, push pedal 22 lapse is pressed to hydraulic oil in the hydraulic pressure storehouse 23, and then drive slide spacing 19 lapse, and then make slide spacing 19 and spacing hole 17 break away from the cooperation, make rotating shaft 15 idle running, and can not drive propeller blade 12 and rotate, the motor damage has been avoided appearing.
The invention improves the existing shallow-buried underground excavation tunnel construction equipment, and effectively solves the problem of timely conveying the crushed soil and ensuring that the soil is completely conveyed to the outside by additionally arranging the soil isolation plate, the soil scraping ring frame, the soil scraping bin, the flow guide inclined plate and the belt conveyor; the problem of timely conveying the crushed soil to the soil scraping bin is effectively solved by arranging the soil gathering frame and the wedge-shaped scraper; the driving ring sleeve, the rotating shaft rod, the limiting hole, the sliding rail, the arc-shaped pressing plate, the pushing plate and the hydraulic bin are arranged, so that the problem that the driving motor is protected and the motor is burnt due to the fact that rotation is blocked is solved effectively; the problem of convenience in maintaining the blocked conveying pipe is effectively solved by arranging the upper end pipe and the lower end pipe; the problem of crushing large soil blocks is effectively solved by arranging the crushing rod, the driving pinion and the guide toothed ring; and the structure is simple and stable, and the universality is extremely high.
Claims (6)
1. The large-span shallow-buried underground excavation tunnel construction equipment comprises a support sleeve (1) arranged under the ground, wherein the left end of the support sleeve (1) is coaxially and rotatably connected with a drilling machine (2), a soil isolation plate (3) is coaxially and fixedly connected in the support sleeve (1), the right end of the drilling machine (2) is coaxially and fixedly connected with a driving shaft (4), the driving shaft (4) is rotatably connected with the soil isolation plate (3), and the driving shaft (4) is connected with a driving device fixedly connected to the soil isolation plate (3);
the soil scraping ring frame (5) is coaxially and fixedly connected to the driving shaft (4) and arranged between the soil separating plate (3) and the drilling machine (2), a plurality of soil scraping bins (6) are formed in the soil scraping ring frame (5), two symmetrically distributed flow guide inclined plates (7) on the lower side of the support sleeve (1) are fixedly connected to the soil separating plate (3), the two flow guide inclined plates (7) are inclined towards the direction close to the axis of the support sleeve (1) and downwards, a storage box (8) is arranged below the flow guide inclined plates (7), a rock and soil conveying device is arranged in the storage box (8), the rock and soil conveying device penetrates through the soil separating plate (3), a belt conveyor is arranged at the lower end of the inner right side of the support sleeve (1), and the right end of the rock and soil conveying device is arranged at the upper end of the belt conveyor;
the rock soil conveying device is a conveying pipe (11), a propeller blade (12) is rotationally connected in the conveying pipe (11), a containing semi-circular groove (13) matched with the conveying pipe (11) is formed in the containing box (8), and one end of the propeller blade (12) is arranged in the containing semi-circular groove (13);
the right end of the conveying pipe (11) is connected with a driving ring sleeve (14), the driving ring sleeve (14) is connected with a rotating shaft rod (15) in a rotating mode, the rotating shaft rod (15) is connected with a driving motor (16) fixedly connected to the driving ring sleeve (14), the propeller blades (12) are provided with limiting holes (17) matched with the rotating shaft rod (15), the rotating shaft rod (15) is provided with a plurality of sliding rails (20), the sliding rails (20) are connected with sliding limiting strips (19) in a sliding mode along the radial direction of the rotating shaft rod (15), the sliding limiting strips (19) are provided with sliding rails (20), the sliding rails (20) are connected with arc-shaped pressing plates (21) in a sliding mode, and the arc-shaped pressing plates (21) are connected with the sliding rails (20) through springs;
push plates (22) are fixedly connected to the left end and the right end of the sliding limiting strip (19), a hydraulic bin (23) matched with the push plates (22) is arranged inside the sliding rail (20), the upper end of the hydraulic bin (23) is communicated with an oil duct (24) arranged on the sliding limiting strip (19), and the other end of the oil duct (24) is communicated with the sliding rail (20);
the limiting hole (17) is provided with a plurality of limiting tracks (25) matched with the sliding limiting strips (19).
2. The large-span shallow-buried subsurface tunnel construction equipment according to claim 1, wherein a soil gathering frame (9) is coaxially and fixedly connected to the left end of the soil scraping ring frame (5), a plurality of wedge-shaped scrapers (10) are fixedly connected to the left end of the soil gathering frame (9), and one side of each wedge-shaped scraper (10) is in an inclined plane shape.
3. The large-span shallow-buried underground excavation tunnel construction equipment as claimed in claim 1, wherein the drive ring sleeve (14) is detachably connected with the conveying pipe (11), a plurality of fastening arc-shaped plates (26) distributed at equal intervals are fixedly connected to the outer wall of the drive ring sleeve (14), and threaded holes (27) are formed in the fastening arc-shaped plates (26);
the right end of the conveying pipe (11) is fixedly connected with a plurality of fastening plates (28) matched with the fastening arc-shaped plates (26), and the fastening plates (28) are provided with threaded holes (27) which are the same as those of the fastening arc-shaped plates (26).
4. The large-span shallow-buried undercut tunnel construction equipment according to claim 1, characterized in that the left side of the conveying pipe (11) is of a detachable structure, the conveying pipe (11) comprises a lower end pipe (30) and an upper end pipe (29), the upper end pipe (29) is matched with the lower end pipe (30), and the upper end pipe (29) and the lower end pipe (30) are connected through bolts;
the belt conveyor is characterized in that a blanking hole (31) is formed in the right end of the lower end pipe (30), a flow guide box (32) fixedly connected with the lower end pipe (30) is arranged at the lower end of the blanking hole (31), and the flow guide box (32) is arranged at the upper end of the belt conveyor.
5. The large-span shallow-buried underground excavation tunnel construction equipment as claimed in claim 4, wherein the diversion box (32) is rotatably connected with buffer plates (33) in the front and rear side walls, and the buffer plates (33) are connected with the diversion box (32) through torsion springs.
6. A large span shallow underground excavation tunnel construction equipment according to claim 1, characterized in that the earth scraping bin (6) is rotatably connected with a breaking rod (34), the breaking rod (34) is coaxially and fixedly connected with a driving pinion (35), and the driving pinion (35) is meshed with a guide toothed ring (36) fixedly connected with the earth partitioning plate (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210201615.5A CN114562286B (en) | 2022-03-03 | 2022-03-03 | Shallow undercut tunnel construction equipment that buries of large-span |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210201615.5A CN114562286B (en) | 2022-03-03 | 2022-03-03 | Shallow undercut tunnel construction equipment that buries of large-span |
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| CN114562286B true CN114562286B (en) | 2022-10-28 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1547498A (en) * | 1976-04-21 | 1979-06-20 | Helvoirt C Van | Tunnelling machine for making a hole across a dyke or the like |
| CN108612535A (en) * | 2018-05-14 | 2018-10-02 | 贵州大学 | A kind of anticlogging slurry type shield machine stirring device |
| CN112360495A (en) * | 2020-11-12 | 2021-02-12 | 安徽唐兴机械装备有限公司 | Equipment for conveying excavated materials in tunneling |
| CN213297975U (en) * | 2020-08-22 | 2021-05-28 | 陈艳龙 | Drilling and blasting shield machine in tunnel tunneling equipment |
-
2022
- 2022-03-03 CN CN202210201615.5A patent/CN114562286B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1547498A (en) * | 1976-04-21 | 1979-06-20 | Helvoirt C Van | Tunnelling machine for making a hole across a dyke or the like |
| CN108612535A (en) * | 2018-05-14 | 2018-10-02 | 贵州大学 | A kind of anticlogging slurry type shield machine stirring device |
| CN213297975U (en) * | 2020-08-22 | 2021-05-28 | 陈艳龙 | Drilling and blasting shield machine in tunnel tunneling equipment |
| CN112360495A (en) * | 2020-11-12 | 2021-02-12 | 安徽唐兴机械装备有限公司 | Equipment for conveying excavated materials in tunneling |
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Effective date of registration: 20230606 Address after: Tashan Town Tashan Street, Jiawang District, Xuzhou, Jiangsu Province Patentee after: Jiangsu China Mining Geotechnical Engineering Co.,Ltd. Address before: 221116 Jiangsu province Xuzhou city Copper Mt. District School Road Patentee before: JIANGSU VOCATIONAL INSTITUTE OF ARCHITECTURAL TECHNOLOGY |
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