CN111648778A - Independently-propelled earth pressure balance push bench - Google Patents
Independently-propelled earth pressure balance push bench Download PDFInfo
- Publication number
- CN111648778A CN111648778A CN202010590758.0A CN202010590758A CN111648778A CN 111648778 A CN111648778 A CN 111648778A CN 202010590758 A CN202010590758 A CN 202010590758A CN 111648778 A CN111648778 A CN 111648778A
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- China
- Prior art keywords
- main shaft
- mounting
- shell
- shaft
- regulating plate
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Classifications
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0874—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with rotary drilling heads having variable diameter
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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
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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
Abstract
The invention discloses an autonomous push type earth pressure balance push bench, which relates to the technical field of tunnel engineering and mainly aims to solve the problem that the cutting diameter of the existing push bench cannot be adjusted; including installation shell, blade disc, drive blade disc pivoted power pack and the conveying unit who is used for exporting soil, installation shell one end center department rotates and installs the main shaft, and the main shaft is located hoop equidistant fixed mounting has a plurality of blade discs on the outside shaft part of installation shell, and the blade disc includes two sets of cutters of symmetry equidistance installation on mounting panel and the mounting panel, still including the adjusting unit who is used for adjusting cutting diameter, the adjusting unit includes regulating plate, connecting rod and is used for driving regulating plate pivoted actuating mechanism, is equipped with the adjusting unit, the adjusting unit includes regulating plate, connecting rod and is used for driving regulating plate pivoted actuating mechanism, and actuating mechanism drives the regulating plate and rotates, and the regulating plate passes through the connecting rod and drives the blade disc rotation, and the effective cutting length of adjustment blade disc reaches the purpose of adjustment.
Description
Technical Field
The invention relates to the technical field of tunnel engineering, in particular to an autonomous propulsion type earth pressure balance push bench.
Background
With the development of urban construction, the population density is greatly increased, more and more vehicles are used, urban traffic congestion limits urban development, and the pipe curtain underground excavation method becomes a research focus for underground space excavation. The pipe curtain construction method is one of non-open excavation processes, and a small-caliber pipe jacking machine jacking device is used for inserting a steel pipe into a space to be excavated along the horizontal direction in the excavation process so as to form a pipe curtain.
The existing push bench generally cuts soil through a cutter head, but tunnels with different sizes may need different types of push benches due to different processing requirements, the cutting size of the cutter head cannot be adjusted through the existing push bench, and the adaptability is not strong.
Disclosure of Invention
The invention aims to provide an autonomous propulsion type earth pressure balance push bench to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an independently impel balanced push bench of formula soil pressure, includes installation shell, blade disc, drives blade disc pivoted power pack and the conveying unit who is used for exporting soil, installation shell one end center department rotates installs the main shaft, and power pack installs in the installation shell and the drive connects the main shaft, and the hoop is equidistant fixed mounting has a plurality of blade discs on the shaft part that the main shaft is located the installation shell outside, the installation shell is close to and is equipped with the soil pressure storehouse in the one end of blade disc, and the soil pressure storehouse is close to one side opening of blade disc, conveying unit's input port and soil pressure storehouse bottom intercommunication still include the adjusting unit who is used for adjusting cutting diameter, the adjusting unit includes regulating plate, connecting rod and is used for driving regulating plate pivoted actuating mechanism, blade disc one end extends to the main shaft in, and the blade disc rotates with the main shaft through the round pin axle to be connected, sets up the motion groove that supplies the blade disc, a plurality of connecting rods are hinged to one side wall of the adjusting plate in an annular and equidistant mode, the number of the connecting rods is equal to that of the cutter discs, the connecting rods correspond to the cutter discs one by one, one end, close to the cutter discs, of each connecting rod is hinged to the portion, located in the main shaft, of each cutter disc, and the driving mechanism drives the rotating shaft for mounting the adjusting plate.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the driving mechanism comprises a worm wheel and a worm, the worm wheel is fixedly mounted on the rotating shaft, the worm is rotatably mounted on the main shaft and meshed with the worm wheel, one end of the worm penetrates through the main shaft and extends to the outside of the main shaft, and a handle is fixed at one end of the worm, which is located at the outside of the main shaft.
In one alternative: the power unit is installed in the installation shell and is in driving connection with the main shaft, the power unit comprises a cutter driving motor, a planetary reducer and a power box, the cutter driving motor is fixedly installed in the installation shell, an output shaft of the cutter driving motor is connected with an input shaft of the planetary reducer, an output shaft of the planetary reducer is connected with an input shaft of the power box, and an output shaft of the power box is fixedly connected with the main shaft.
In one alternative: the conveying unit is a screw conveyor, and the screw conveyor is arranged in the mounting shell.
In one alternative: the installation shell comprises procapsid and back casing, and the procapsid is close to the blade disc, and power pack installs in the procapsid, still is connected with the unit of rectifying between procapsid and the back casing, and the procapsid is articulated with back casing department, the unit of rectifying is including rectifying the hydro-cylinder, and it is articulated with procapsid and back casing respectively to rectify the hydro-cylinder both ends, is fixed with respectively on procapsid and the back shells inner wall with the articulated extension board of hydro-cylinder of rectifying.
In one alternative: an arc-shaped rod is fixed on the rear shell, an arc-shaped groove is formed in the arc-shaped rod, the circle center of the arc-shaped groove is located at the hinged point of the front shell and the rear shell, a connecting column is fixed on the front shell and inserted into the arc-shaped groove to slide.
In one alternative: the cutter head comprises a mounting plate and two groups of cutters which are symmetrically and equidistantly mounted on the mounting plate, a mounting cavity is arranged in the mounting plate, one end of the mounting plate, far away from the main shaft, is rotatably provided with a roller, the roller is contacted with soil, mounting shafts for mounting cutters are symmetrically arranged in the front and the back of the mounting cavity, the mounting shafts penetrate through the mounting plate and extend to the outside of the mounting plate, the cutter is detachably mounted at one end of the mounting shaft, which is positioned outside the mounting plate, a gear is fixedly arranged on the mounting shafts, a double-sided rack is arranged between two groups of mounting shafts which are symmetrical front and back, the double-sided rack is meshed with the gear on the mounting wheel, the double-sided rack is slidably arranged in the mounting cavity, one end of the double-sided rack is connected with the idler wheel in a matching way, a connecting pin is fixed on the double-sided rack, the roller is provided with a closed sliding groove for the insertion and sliding of the connecting pin, and the distance between the closed sliding groove and the rotating center of the roller is reduced from large to small and then increased.
Compared with the prior art, the invention has the following beneficial effects:
1. the automatic cutting device is provided with an adjusting unit, wherein the adjusting unit comprises an adjusting plate, a connecting rod and a driving mechanism for driving the adjusting plate to rotate, the driving mechanism comprises a worm wheel and a worm, the worm is rotated to drive the worm wheel to rotate, self-locking performance is realized between the worm wheel and the worm, the worm wheel drives the adjusting plate to rotate, the adjusting plate drives a cutter head to rotate through the connecting rod, the effective cutting length of the cutter head is adjusted, and the purpose of adjusting the cutting diameter is achieved;
2. the double-sided rack is provided with a roller, a double-sided rack, a gear and an installation shaft, the roller drives the double-sided rack to reciprocate when rotating, and the double-sided rack drives the installation shaft and a cutter at the top end of the installation shaft to swing through the gear, so that the cutting range is expanded, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view of the adjustment unit and the cutter head according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
FIG. 4 is a schematic structural diagram of a roller according to a second embodiment of the present invention.
FIG. 5 is a three-dimensional view of a roller according to a second embodiment of the present invention.
Notations for reference numerals: 1-cutter head, 2-soil pressing bin, 3-power box, 4-front shell, 5-planetary reducer, 6-deviation-rectifying oil cylinder, 7-cutter head driving motor, 8-screw conveyor, 9-rear shell, 10-arc rod, 11-connecting column, 12-main shaft, 13-mounting plate, 14-cutter, 15-connecting rod, 16-adjusting plate, 17-worm, 18-worm wheel, 19-double-sided rack, 20-mounting shaft, 21-gear, 22-roller, 23-connecting pin and 24-closed chute.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1-2, in the embodiment of the present invention, an autonomous push type earth pressure balance push bench includes a mounting shell, a cutter 1, a power unit for driving the cutter 1 to rotate, and a conveying unit for outputting soil, a main shaft 12 is rotatably mounted at the center of one end of the mounting shell, a plurality of cutters 1 are circumferentially and fixedly mounted on a shaft section of the main shaft 12 located outside the mounting shell at equal intervals, the cutter 1 includes a mounting plate 13 and two sets of cutters 14 symmetrically and equidistantly mounted on the mounting plate 13, further, the cutters 14 of adjacent cutters 1 are staggered to enlarge an effective cutting area, the power unit is mounted in the mounting shell and is in driving connection with the main shaft 12, the power unit includes a cutter driving motor 7, a planetary reducer 5 and a power box 3, the cutter driving motor 7 is fixedly mounted in the mounting shell, an output shaft of the cutter driving motor 7 is connected with an input shaft of the planetary reducer 5, an output shaft of the planetary reducer 5 is connected with an input shaft of the power box 3, an output shaft of the power box 3 is fixedly connected with the main shaft 12, and the power unit is directly applied to the existing push bench, and belongs to the prior art, and is not described herein again, an earth pressure bin 2 is arranged in one end of the mounting shell, which is close to the cutter head 1, one side of the earth pressure bin 2, which is close to the cutter head 1, is opened, an input port of the conveying unit is communicated with the bottom of the earth pressure bin 2, in the embodiment, the conveying unit is preferably a spiral conveyor 8, and the spiral conveyor 8 is mounted in the mounting shell; soil is cut through the cutter head 1, enters the soil pressing bin 2 and is output by the screw conveyor 8;
furthermore, the installation shell is composed of a front shell 4 and a rear shell 9, the front shell 4 is close to the cutter head 1, the power unit is installed in the front shell 4, a deviation rectifying unit is further connected between the front shell 4 and the rear shell 9, the front shell 4 is hinged with the rear shell 9, the deviation rectifying unit comprises a deviation rectifying oil cylinder 6, two ends of the deviation rectifying oil cylinder 6 are respectively hinged with the front shell 4 and the rear shell 9, support plates hinged with the deviation rectifying oil cylinder 6 are respectively fixed on the inner walls of the front shell 4 and the rear shell 9, in the embodiment, the deviation rectifying oil cylinder 6 is preferably arranged at the relative position of a hinged point of the front shell 4 and the rear shell 9, further, in order to improve the stability during deviation rectifying, an arc rod 10 is fixed on the rear shell 9, an arc groove is arranged on the arc rod 10, the circle center of the arc groove is positioned at the hinged point of, the connecting column 11 is inserted into the arc-shaped groove and slides, when the device works, the deviation-correcting oil cylinder 6 stretches and retracts to drive the front shell 4 to rotate, the front shell 4 drives the cutter head 1 to move to adjust the angle of the cutter head 1, and the rotating plane of the cutter head 1 is ensured to be a vertical plane;
further, in order to satisfy the construction in not unidimensional tunnel, still including the regulating unit who is used for adjusting cutting diameter, regulating unit includes regulating plate 16, connecting rod 15 and is used for driving regulating plate 16 pivoted actuating mechanism, in 1 one end of blade disc extended to main shaft 12, blade disc 1 rotated with main shaft 12 through the round pin axle and is connected, offered the motion groove that supplies blade disc 1 to deflect on the main shaft 12, install regulating plate 16 through the pivot rotation in the main shaft 12, the hoop equidistance articulates on the regulating plate 16 lateral wall has many connecting rods 15, and the quantity of connecting rod 15 is equal and the one-to-one with the quantity of blade disc 1, and connecting rod 15 is close to the one end of blade disc 1 and the part that blade disc 1 is located main shaft 12 is articulated, actuating mechanism drive installation regulating plate 16's pivot, in this embodiment, actuating mechanism includes worm wheel 18 and worm 17, 18 fixed mounting, the worm 17 is rotatably mounted on the main shaft 12 and meshed with the worm wheel 18, one end of the worm 17 penetrates through the main shaft 12 and extends to the outside of the main shaft 12, a handle is fixed at one end of the worm 17, which is located at the outside of the main shaft 12, the worm 17 is rotated to drive the worm wheel 18 to rotate, self-locking performance is realized between the worm 17 and the worm wheel 18, the worm wheel 18 drives the adjusting plate 16 to rotate, the adjusting plate 16 drives the cutter disc 1 to rotate through the connecting rod 15, the effective cutting length of the cutter disc 1 is adjusted, and the.
Example 2
Referring to fig. 3 to 5, the embodiment of the present invention is different from embodiment 1 in that, further, since the cutters 14 are installed at intervals, an effective cutting area of the cutter head 1 is small when the cutter head 1 rotates, a mounting cavity is provided in the mounting plate 13, a roller 22 is rotatably installed at one end of the mounting plate 13 away from the main shaft 12, the roller 22 contacts soil, friction between the soil and the roller 22 when the cutter head 1 rotates causes the roller 22 to rotate, mounting shafts 20 for installing the cutters 14 are symmetrically provided in the mounting cavity front and back, the mounting shafts 20 penetrate through the mounting plate 13 and extend to the outside of the mounting plate 13, the cutters 14 are detachably installed at one end of the mounting shaft 20 located outside the mounting plate 13, a gear 21 is fixedly installed on the mounting shaft 20, a double-sided rack 19 is provided between two sets of mounting shafts 20 that are symmetrical front and back, the double, two-sided rack 19 slidable mounting is in the installation intracavity, and 19 one end of two-sided rack is connected with gyro wheel 22 cooperation, is fixed with connecting pin 23 on the two-sided rack 19, be equipped with on the gyro wheel 22 and supply connecting pin 23 to insert and gliding closed spout 24, closed spout 24 and gyro wheel 22 rotation center's distance is by big diminishing then grow again to gyro wheel 22 drives two-sided rack 19 reciprocating motion when rotating, and two-sided rack 19 passes through the cutter 14 swing on gear 21 drive installation axle 20 and top, thereby enlarges the cutting scope, improves work efficiency.
The working principle of the invention is as follows: when in work, soil is cut through the cutter head 1, enters the soil pressing bin 2 and is output by the screw conveyer 8, the front shell body 4 is driven to rotate through the stretching of the deviation rectifying oil cylinder 6, the front shell body 4 drives the cutter disc 1 to move to adjust the angle of the cutter disc 1, the rotating plane of the cutter disc 1 is guaranteed to be a vertical plane, the rotating worm 17 drives the worm wheel 18 to rotate, self-locking performance is achieved between the worm 17 and the worm wheel 18, the worm wheel 18 drives the adjusting plate 16 to rotate, the adjusting plate 16 drives the cutter disc 1 to rotate through the connecting rod 15, the effective cutting length of the cutter disc 1 is adjusted, the purpose of adjusting the cutting diameter is achieved, the roller 22 rotates due to the friction force between soil and the roller 22 when the cutter disc 1 rotates, the roller 22 drives the double-sided rack 19 to reciprocate when the roller 22 rotates, the double-sided rack 19 drives the mounting shaft.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an independently balanced push bench of impulse type soil pressure, includes installation shell, blade disc (1), drives blade disc (1) pivoted power pack and the conveying unit who is used for exporting soil, installation shell one end center department rotates and installs main shaft (12), and power pack installs in the installation shell and drive connection main shaft (12), and hoop equidistant fixed mounting has a plurality of blade discs (1) on the main shaft (12) lie in the outside shaft part of installation shell, the installation shell is close to and is equipped with soil pressure storehouse (2) in the one end of blade disc (1), and one side opening that soil pressure storehouse (2) are close to blade disc (1), conveying unit's input port and soil pressure storehouse (2) bottom intercommunication, its characterized in that still includes the regulating unit who is used for adjusting cutting diameter, the regulating unit includes regulating plate (16), connecting rod (15) and is used for driving regulating plate (16) pivoted actuating mechanism, cutterhead (1) one end extends to in main shaft (12), and cutterhead (1) rotates through round pin axle and main shaft (12) and is connected, offers the motion groove that supplies cutterhead (1) to deflect on main shaft (12), install regulating plate (16) through the pivot rotation in main shaft (12), and hoop equidistance articulates on regulating plate (16) a lateral wall has many connecting rods (15), and the quantity of connecting rod (15) is equal and the one-to-one with the quantity of cutterhead (1), and connecting rod (15) are close to the one end of cutterhead (1) and part that cutterhead (1) is located main shaft (12) and articulate, and the pivot of actuating mechanism drive installation regulating plate (16).
2. The self-propelled earth pressure balance push bench of claim 1, wherein the driving mechanism comprises a worm wheel (18) and a worm (17), the worm wheel (18) is fixedly installed on the rotating shaft, the worm (17) is rotatably installed on the main shaft (12) and meshed with the worm wheel (18), one end of the worm (17) penetrates through the main shaft (12) and extends to the outside of the main shaft (12), and a handle is fixed at one end of the worm (17) located at the outside of the main shaft (12).
3. The self-propelled earth pressure balance push bench according to claim 1, wherein the power unit comprises a cutter driving motor (7), a planetary reducer (5) and a power box (3), the cutter driving motor (7) is fixedly installed in the installation shell, an output shaft of the cutter driving motor (7) is connected with an input shaft of the planetary reducer (5), an output shaft of the planetary reducer (5) is connected with an input shaft of the power box (3), and an output shaft of the power box (3) is fixedly connected with the main shaft (12).
4. The self-propelled earth pressure balanced push bench of claim 1, wherein the conveying unit is a screw conveyor (8), the screw conveyor (8) being mounted within a mounting housing.
5. The self-propelled soil pressure balance push bench according to any one of claims 1-4, wherein the mounting shell is composed of a front shell (4) and a rear shell (9), the front shell (4) is close to the cutter (1), the power unit is mounted in the front shell (4), a deviation rectifying unit is further connected between the front shell (4) and the rear shell (9), the front shell (4) is hinged to the rear shell (9), the deviation rectifying unit comprises a deviation rectifying oil cylinder (6), two ends of the deviation rectifying oil cylinder (6) are respectively hinged to the front shell (4) and the rear shell (9), and supporting plates hinged to the deviation rectifying oil cylinder (6) are respectively fixed on inner walls of the front shell (4) and the rear shell (9).
6. The self-propelled soil pressure balance push bench according to claim 5, wherein the rear shell (9) is fixed with an arc-shaped rod (10), the arc-shaped rod (10) is provided with an arc-shaped groove, the circle center of the arc-shaped groove is located at the hinge point of the front shell (4) and the rear shell (9), the front shell (4) is fixed with a connecting column (11), and the connecting column (11) is inserted into the arc-shaped groove and slides.
7. The self-propelled soil pressure balance push bench of claim 5, wherein the cutter head (1) comprises a mounting plate (13) and two sets of cutters (14) symmetrically and equidistantly mounted on the mounting plate (13), a mounting cavity is arranged in the mounting plate (13), a roller (22) is rotatably mounted at one end of the mounting plate (13) far away from the main shaft (12), the roller (22) is in contact with soil, mounting shafts (20) for mounting the cutters (14) are symmetrically arranged in the mounting cavity in the front and back direction, the mounting shafts (20) penetrate through the mounting plate (13) and extend to the outside of the mounting plate (13), the cutters (14) are detachably mounted at one end of the mounting shaft (20) located outside the mounting plate (13), a gear (21) is fixedly mounted on the mounting shaft (20), a double-sided rack (19) is arranged between the two sets of mounting shafts (20) symmetrically in the front and back direction, and the double-sided rack (19, double-sided rack (19) slidable mounting is in the installation intracavity, and double-sided rack (19) one end is connected with gyro wheel (22) cooperation, is fixed with connecting pin (23) on double-sided rack (19), be equipped with on gyro wheel (22) and supply connecting pin (23) to insert and gliding closed spout (24), the distance of closed spout (24) and gyro wheel (22) rotation center is by big diminishing then grow again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590758.0A CN111648778B (en) | 2020-06-24 | 2020-06-24 | Independently-propelled earth pressure balance push bench |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010590758.0A CN111648778B (en) | 2020-06-24 | 2020-06-24 | Independently-propelled earth pressure balance push bench |
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| CN111648778A true CN111648778A (en) | 2020-09-11 |
| CN111648778B CN111648778B (en) | 2021-11-23 |
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| CN113216997A (en) * | 2021-05-26 | 2021-08-06 | 上海隧道工程有限公司 | Method for controlling rotation position of motor-driven eccentric cutter head |
| CN113565516A (en) * | 2021-08-27 | 2021-10-29 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
| CN114517498A (en) * | 2022-03-23 | 2022-05-20 | 湖南玖口建设工程有限公司 | Irrigation and water conservancy construction slotting equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216997A (en) * | 2021-05-26 | 2021-08-06 | 上海隧道工程有限公司 | Method for controlling rotation position of motor-driven eccentric cutter head |
| CN113565516A (en) * | 2021-08-27 | 2021-10-29 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
| CN113565516B (en) * | 2021-08-27 | 2024-03-22 | 江苏雷威建设工程有限公司 | Pipe jacking operation device |
| CN114517498A (en) * | 2022-03-23 | 2022-05-20 | 湖南玖口建设工程有限公司 | Irrigation and water conservancy construction slotting equipment |
| CN114517498B (en) * | 2022-03-23 | 2023-03-03 | 湖南玖口建设工程有限公司 | Irrigation and water conservancy construction slotting equipment |
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| Publication number | Publication date |
|---|---|
| CN111648778B (en) | 2021-11-23 |
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