CN115610461A - Transportation method and structure for shield tunnel construction - Google Patents
Transportation method and structure for shield tunnel construction Download PDFInfo
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- CN115610461A CN115610461A CN202211344612.3A CN202211344612A CN115610461A CN 115610461 A CN115610461 A CN 115610461A CN 202211344612 A CN202211344612 A CN 202211344612A CN 115610461 A CN115610461 A CN 115610461A
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 claims 3
- 238000004891 communication Methods 0.000 claims 1
- 230000032258 transport Effects 0.000 description 97
- 238000005457 optimization Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D15/00—Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways
- B61D15/08—Railway inspection trolleys
- B61D15/12—Railway inspection trolleys power propelled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D45/00—Means or devices for securing or supporting the cargo, including protection against shocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
- B61H7/06—Skids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
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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
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention relates to the technical field of tunnel construction, and particularly discloses a transport structure for shield tunnel construction, which comprises a transport vehicle, wherein the top of the transport vehicle is provided with a groove, a limiting mechanism is arranged in the groove, two supporting pieces are arranged at the top of the transport vehicle close to the groove, rollers are arranged at the bottom of the transport vehicle, an auxiliary braking mechanism is arranged at the bottom of the transport vehicle, the auxiliary braking mechanism comprises two moving rods, rotating rods are arranged at two ends of the two moving rods, a plurality of rotating ends are respectively provided with a brake block, and a driving mechanism is arranged at the middle position of the bottom of the transport vehicle. In the invention, when the transport vehicle travels to a track with a larger gradient, if a vehicle sliding accident occurs, the two movable rods can be driven by the starting motor to move towards the mutual away direction, and then the rotating rods can be driven to move together towards the mutual away direction, so that the brake blocks on the plurality of rotating rods are tightly abutted against the outer wall of the track, the effect of auxiliary braking is achieved, the vehicle sliding accident of the transport vehicle is avoided, and the safety of transport duct pieces of the transport vehicle is improved.
Description
Technical Field
The invention relates to a transportation method and a transportation structure thereof, in particular to a transportation method and a transportation structure thereof for shield tunnel construction, and belongs to the technical field of tunnel construction.
Background
At present, the transportation system for shield construction in China basically adopts a rail transportation mode (the sludge water machine is used for transporting the discarded slag by a slurry transportation system, but duct pieces, mortar, steel rails and other materials still need a rail transportation system). The main parameters of the transportation system are related to the gradient of the tunnel, the requirement of the project progress, the model and the parameters of the shield machine, and the management mode of a construction unit. The former is a necessary condition which must be satisfied, and the latter is a relevant factor which can be comprehensively considered.
The rail transport locomotive is usually a 4-5-section flat plate marshalling, and has the advantages of large single transportation amount and small occupied space, but because the transportation needs to lay the rails in the tunnel, two groups of vehicles usually share the same rail, the maneuverability is poor, and the rail transport locomotive is easy to have vehicle sliding accidents when used in the working condition with larger gradient, and the safety is low.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a transportation method and a transportation structure for shield tunnel construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
transportation structure of shield method tunnel construction, including the transport vechicle, the top of transport vechicle is equipped with the recess that is used for placing the section of jurisdiction, be equipped with in the recess and be used for carrying out the stop gear who fixes to the section of jurisdiction, the transport vechicle top is close to the recess and installs two support piece, the bottom four corners position of transport vechicle all installs the gyro wheel with track looks adaptation, the bottom of transport vechicle still is equipped with auxiliary brake mechanism, auxiliary brake mechanism is including setting up two carriage release levers in the transport vechicle below, the dwang is all installed in the both ends of two carriage release levers rotation, the one end that the carriage release lever was kept away from to a plurality of dwang all is equipped with the brake block, actuating mechanism is installed to the bottom position placed in the middle of transport vechicle.
Optionally, the driving mechanism includes a motor, the motor is installed at the bottom of the transport vehicle, a rotating shaft is coaxially installed at the output end of the motor, a driving block is installed at one end, away from the motor, of the rotating shaft, and the outer wall of the driving block is abutted to the outer wall of one side, close to the two moving rods.
Optionally, two chutes are formed in the bottom of the transport vehicle, two sliding blocks are mounted inside the two chutes, and the bottoms of the sliding blocks are connected with the moving rod close to the sliding blocks through electric telescopic rods.
Optionally, two the cleaning brush is all installed to the one end that the carriage release lever was kept away from to the dwang, and the top at the cleaning brush is installed to the brake pads, and the inside of dwang is still movable the cartridge and has the extension rod.
Optionally, the rectangular channel with dwang looks adaptation is all seted up at the opposite both ends of transport vechicle, and the position that the transport vechicle is close to the rectangular channel installs the casing, is equipped with the fixed establishment that is used for prescribing a limit to the dwang position in the casing.
Optionally, the fixing mechanism includes a double-shaft motor installed inside the casing, two output ends of the double-shaft motor are both coaxially connected with a threaded sleeve, and the two threaded sleeves are both in threaded connection with a threaded rod.
Optionally, the limiting mechanism comprises a winding roller movably sleeved on the outer wall of the rotating shaft, the installation block is installed at the bottom of the winding roller, a movable groove is formed in the installation block, an electric slider is installed inside the movable groove, an insertion block is installed at one end, close to the rotating shaft, of the electric slider, and a slot matched with the insertion block is formed in the outer wall of the rotating shaft.
Optionally, the outer wall winding of wind-up roll has two stay cords, and the one end that two stay cords kept away from the wind-up roll is connected with the fixed band jointly.
Optionally, two the turning block is all installed in the bottom of carriage release lever rotation, and the one end that the carriage release lever was kept away from to two turning blocks all has the piece of knocking through spring coupling.
The transportation method for shield tunnel construction comprises the transportation structure, and further comprises the following steps:
the method comprises the following steps: when a transport vehicle is required to transport a plurality of duct pieces, the duct pieces are stacked and placed at the top of the transport vehicle, an electric slider in a movable groove is started to drive an insertion block to be inserted into an insertion groove, a motor drives a rotating shaft to rotate and simultaneously can drive a winding roller to synchronously rotate, two pull ropes are wound, a fixing belt is slowly tightened, the stacked duct pieces at the top of the transport vehicle can be limited and fixed, and the transport vehicle can ensure the stability of the transport vehicle when the duct pieces travel to a bumpy road section;
step two: in order to further ensure the transportation stability of the duct pieces, the driving mechanism can drive the rotating rods to rotate upwards together to be in a vertically upward state, and then the rotating rods in the vertically upward state can limit and fix the front end and the rear end of the duct pieces at the top of the transportation vehicle after the positions of the rotating rods are fixed by the fixing mechanism;
step three: when the transport vehicle travels to a track with a larger gradient, if a vehicle sliding accident occurs, the plurality of electric telescopic rods can be started to drive the two movable rods and the rotating rods at the two ends to move downwards together, until the plurality of rotating rods move to the position between the two tracks, the rotating shaft and the driving block are driven to rotate by the starting motor, when the driving block rotates, the two movable rods can be extruded, the two movable rods are driven to move towards the direction away from each other, and then the rotating rods can be driven to move towards the direction away from each other together, so that the brake blocks on the plurality of rotating rods are tightly abutted against the outer wall of the track, and the effect of auxiliary braking is achieved;
step four: when the track is required to be overhauled, the transport vehicle is moved to a position to be overhauled, the two moving rods are driven by the motor to move in a reciprocating state, the knocking block is driven to knock the track, and workers can judge the quality of the track according to the sound generated by knocking.
The beneficial effects of the invention are:
1. in the invention, when a transport vehicle travels to a track with a larger gradient, if a vehicle sliding accident occurs, the plurality of electric telescopic rods are started to drive the two movable rods and the rotating rods at the two ends to move downwards together, and after the two movable rods move to a position between the two tracks, the rotating shaft and the driving block are driven to rotate by the starting motor, so that the two movable rods can be extruded when the driving block rotates, the two movable rods are driven to move towards the direction away from each other, and the rotating rods at the two ends of the two movable rods can be driven to move towards the direction away from each other together, so that the brake blocks on the plurality of rotating rods are tightly abutted against the outer wall of the track, the effect of auxiliary braking is achieved, the vehicle sliding accident of the transport vehicle is avoided, and the safety of transport segments of the transport vehicle is improved.
2. In the invention, when a large amount of impurities such as dust or silt are adhered to the track of the transport vehicle, the motor can directly drive the driving block to rotate to drive the two moving rods to move at the bottom of the transport vehicle in a reciprocating state, so that the cleaning brushes at the two ends of the two moving rods can synchronously move back and forth to automatically clean the impurities such as dust or silt on the surface of the track, and the influence of the impurities on the surface of the track on the advancing of the transport vehicle is avoided.
3. In the invention, when a large number of duct pieces are placed at the top of the transport vehicle, the plurality of rotating rods can be driven by an external driving mechanism to rotate upwards by 90 degrees together to be in a vertically upwards state, the plurality of rotating rods are positioned in rectangular grooves at two ends of the transport vehicle, and then after the positions of the rotating rods are fixed by a fixing mechanism arranged in the shell, the duct pieces at the top of the transport vehicle can be limited and fixed by the rotating rods in the vertically upwards state, so that the problems that the duct pieces slide down and the transport efficiency is reduced in the process of the transport vehicle are solved.
4. According to the invention, the rotating block, the spring and the knocking block are arranged at the bottoms of the two moving rods, so that when the rail needs to be overhauled, after the transport vehicle is moved to the position needing to be overhauled, the motor drives the two moving rods to move in a reciprocating state, the knocking block is further driven to knock the rail, a worker can judge the quality of the rail according to the sound generated by knocking, and the practicability of the transport vehicle is further improved.
Drawings
To facilitate understanding by those skilled in the art, the present invention will be further described with reference to the accompanying drawings
FIG. 1 is a schematic view of the overall structure of a transportation structure for shield tunnel construction according to the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a schematic structural view showing a rotating lever in a vertically upward state according to the present invention;
FIG. 4 is a schematic structural view of the driving mechanism of the present invention;
FIG. 5 is a schematic view of the connection structure of the wind-up roll and the rotating shaft in the present invention.
In the figure: 1. a transport vehicle; 2. a groove; 3. a support member; 4. a rectangular groove; 5. a housing; 6. a roller; 7. pulling a rope; 8. fixing belts; 9. a chute; 10. a travel bar; 11. rotating the rod; 12. a drive block; 13. rotating the block; 14. knocking the block; 15. a spring; 16. a double-shaft motor; 17. a threaded sleeve; 18. a threaded rod; 19. an extension pole; 20. a brake pad; 21. a cleaning brush; 22. a slider; 23. an electric telescopic rod; 24. a motor; 25. a wind-up roll; 26. mounting blocks; 27. a movable groove; 28. an electric slider; 29. inserting a block; 30. a rotating shaft; 31. and (4) a slot.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, transportation structure of shield method tunnel construction, including transport vechicle 1, the top of transport vechicle 1 is equipped with the recess 2 that is used for placing the section of jurisdiction, be equipped with in the recess 2 and be used for carrying out the stop gear who fixes to the section of jurisdiction, two support piece 3 are installed near recess 2 at transport vechicle 1 top, gyro wheel 6 with track looks adaptation is all installed to the bottom four corners position of transport vechicle 1, the bottom of transport vechicle 1 still is equipped with supplementary arrestment mechanism, supplementary arrestment mechanism is including setting up two carriage release levers 10 in transport vechicle 1 below, dwang 11 is all installed in the both ends of two carriage release levers 10 rotation, the one end that carriage release levers 10 was kept away from to a plurality of dwang 11 all is equipped with brake pads 20, actuating mechanism is installed to the bottom position placed in the middle of transport vechicle 1.
As a technical optimization scheme of the invention, the driving mechanism comprises a motor 24, the motor 24 is installed at the bottom of the transport vehicle 1, a rotating shaft 30 is coaxially installed at the output end of the motor 24, a driving block 12 is installed at one end, far away from the motor 24, of the rotating shaft 30, and the outer wall of the driving block 12 is abutted to the outer wall of one side, close to the two moving rods 10.
As a technical optimization scheme of the invention, the bottom of the transport vehicle 1 is provided with two sliding chutes 9, two sliding blocks 22 are respectively arranged inside the two sliding chutes 9, and the bottom ends of the sliding blocks 22 are respectively connected with the moving rods 10 which are close to the sliding chutes through electric telescopic rods 23.
As a technical optimization scheme of the invention, one ends of the two rotating rods 11 far away from the moving rod 10 are both provided with cleaning brushes 21, the brake block 20 is arranged at the top of the cleaning brushes 21, and the inside of the rotating rods 11 is also movably inserted with an extension rod 19. When a large amount of dust or silt and other impurities are attached to the track of the transport vehicle 1, the motor 24 can drive the driving block 12 to rotate to drive the two moving rods 10 to move in the bottom of the transport vehicle 1 in a reciprocating state, so that the cleaning brushes 21 at the two ends of the two moving rods 10 can synchronously move back and forth to automatically clean the dust or silt and other impurities on the surface of the track, and the impurities on the surface of the track are prevented from influencing the advancing of the transport vehicle 1.
As a technical optimization scheme of the invention, two opposite ends of the transport vehicle 1 are respectively provided with a rectangular groove 4 matched with the rotating rod 11, a shell 5 is arranged at a position of the transport vehicle 1 close to the rectangular groove 4, and a fixing mechanism used for limiting the position of the rotating rod 11 is arranged in the shell 5.
As a technical optimization scheme of the invention, the fixing mechanism comprises a double-shaft motor 16 arranged in the shell 5, two output ends of the double-shaft motor 16 are coaxially connected with threaded sleeves 17, and threaded rods 18 are respectively in threaded connection with the two threaded sleeves 17. When the section of jurisdiction of placing at transport vechicle 1 top is more, the same 90 degrees of upwards rotating of a plurality of dwangs 11 of outside actuating mechanism drive of accessible are vertical state of making progress, a plurality of dwangs 11 this moment all are located the rectangular channel 4 at 1 both ends of transport vechicle, then 16 start-up screw thread sleeves 17 that drive its both ends through the biax motor that sets up in casing 5 rotate, make threaded rod 18 in two screw thread sleeves 17 rotate and stretch out, after fixing the position of dwang 11, the dwang 11 that is vertical state of making progress can all carry out spacing fixed to both ends around the section of jurisdiction of transport vechicle 1 top, avoid appearing the landing in the transport vechicle 1 course of marcing, reduce the problem of conveying efficiency.
As a technical optimization scheme of the invention, the limiting mechanism comprises a winding roller 25 movably sleeved on the outer wall of a rotating shaft 30, an installation block 26 is installed at the bottom of the winding roller 25, a movable groove 27 is formed in the installation block, an electric sliding block 28 is installed in the movable groove 27, an insertion block 29 is installed at one end, close to the rotating shaft 30, of the electric sliding block 28, and an insertion groove 31 matched with the insertion block 29 is formed in the outer wall of the rotating shaft 30.
As a technical optimization scheme of the invention, two pull ropes 7 are wound on the outer wall of the winding roller 25, and one ends of the two pull ropes 7 far away from the winding roller 25 are connected with a fixing belt 8 together. In the process of transporting the duct pieces by the transport vehicle 1, in order to ensure that a plurality of duct pieces are positioned at the top of the transport vehicle 1 and can be ensured to be stable, the duct pieces can be stacked at the top of the transport vehicle 1 and positioned inside the fixing belt 8, then after the electric slide block 28 inside the movable groove 27 is started to drive the insertion block 29 to be inserted into the insertion groove 31 on the outer wall of the rotating shaft 30, the motor 24 can drive the winding roller 25 to synchronously rotate while driving the rotating shaft 30 to rotate, two pull ropes 7 are wound, so that the fixing belt 8 is slowly tightened, the duct pieces stacked at the top of the transport vehicle 1 can be limited and fixed, the transport vehicle 1 can ensure the stability of the duct pieces when the duct pieces are bumpy when the transport vehicle travels to a road section, and the condition that the duct pieces are scattered in the transport process is avoided; and when the number of the stacked segments at the top of the transport vehicle 1 is not large, the electric sliding block 28 can slide in the movable groove 27 to reset, and the insertion block 29 is driven to be separated from the slot 31, so that the motor 24 can not drive the winding roller 25 to synchronously rotate when driving the rotating shaft 30 to rotate, and the winding roller 25 is prevented from continuously winding the pull rope 7 to influence the rotation of the rotating shaft 30.
As a technical optimization scheme of the invention, the bottoms of the two moving rods 10 are respectively and rotatably provided with a rotating block 13, and one ends of the two rotating blocks 13 far away from the moving rods 10 are respectively connected with a knocking block 14 through springs 15. Through the rotating block 13, the spring 15 and the knocking block 14 which are arranged at the bottoms of the two moving rods 10, when the track needs to be overhauled, after the transport vehicle 1 is moved to a position needing to be overhauled, the motor 24 drives the two moving rods 10 to move in a reciprocating state, the knocking block 14 is further driven to knock the track, and a worker can judge the quality of the track according to the sound generated by knocking, so that the practicability of the transport vehicle 1 is further improved; in addition, in the normal transportation process of the duct piece by the transport vehicle 1, the two rotating blocks 13 can be respectively rotated to be flush with the moving rod 10, so that the phenomenon that the track of the knocking block 14 is knocked continuously to influence the advancing of the transport vehicle 1 is avoided.
The transportation method for shield tunnel construction comprises the transportation structure, and further comprises the following steps:
the method comprises the following steps: when a plurality of duct pieces need to be transported by using the transport vehicle 1, the duct pieces are stacked and placed at the top of the transport vehicle 1, after the electric slide block 28 in the movable groove 27 is started to drive the insertion block 29 to be inserted into the insertion groove 31, the motor 24 can drive the winding roller 25 to synchronously rotate while driving the rotating shaft 30 to rotate, and the two pull ropes 7 are wound, so that the fixing belt 8 is slowly tightened, the plurality of duct pieces stacked at the top of the transport vehicle 1 can be limited and fixed, and the transport vehicle 1 can ensure the stability of the transport vehicle when the transport vehicle 1 moves to a bumpy road section;
step two: in order to further ensure the transportation stability of the duct pieces, the driving mechanism can drive the upward rotation degrees of the rotating rods 11 to be in a vertical upward state together, and then the rotating rods 11 in the vertical upward state can limit and fix the front and rear ends of the duct pieces on the top of the transport vehicle 1 after the positions of the rotating rods 11 are fixed by the fixing mechanism;
step three: when the transport vehicle 1 travels to a track with a larger gradient, if a vehicle sliding accident occurs, the plurality of electric telescopic rods 23 are started to drive the two movable rods 10 and the rotating rods 11 at the two ends to move downwards together, until the plurality of rotating rods 11 all move to a position between the two tracks, the rotating shaft 30 and the driving block 12 are driven to rotate by the starting motor 24, when the driving block 12 rotates, the two movable rods 10 can be squeezed, the two movable rods 10 are driven to move towards a direction away from each other, and then the rotating rods 11 can be driven to move towards a direction away from each other together, so that the brake blocks 20 on the plurality of rotating rods 11 are tightly abutted against the outer wall of the track, and an auxiliary braking effect is achieved;
step four: when the track needs to be overhauled, after the transport vehicle 1 is moved to the position needing to be overhauled, the motor 24 drives the two moving rods 10 to move in a reciprocating state, the knocking block 14 is driven to knock the track, and the staff can judge the quality of the track according to the sound generated by knocking.
In the invention, when a user needs to transport a plurality of duct pieces by using the transport vehicle 1, the duct pieces are stacked and placed at the top of the transport vehicle 1, in order to ensure the stability of the transportation of the duct pieces, after the electric slider 28 in the movable groove 27 is started to drive the insertion block 29 to be inserted into the insertion groove 31, the motor 24 can drive the winding roller 25 to synchronously rotate while driving the rotating shaft 30 to rotate, two pull ropes 7 are wound, so that the fixing belt 8 is slowly tightened, the stacked duct pieces at the top of the transport vehicle 1 can be limited and fixed, the stability of the transport vehicle 1 can be ensured when the transport vehicle 1 transports the duct pieces to a road section and bumps, and the condition that the duct pieces scatter in the transportation process is avoided.
Meanwhile, for further ensuring the stability of transportation of a plurality of segments, the same upward rotation 90 degrees of a plurality of dwang 11 of accessible actuating mechanism drive is the vertical state that makes progress, then fixes the back through fixed establishment to the position of dwang 11, and the dwang 11 that is the vertical state that makes progress can all carry out spacing fixed to both ends around the 1 top segment of transport vechicle, avoids advancing the problem that the landing appears in-process segment, reduction conveying efficiency at transport vechicle 1.
When the transport vechicle 1 advances to the track of great slope on, if the swift current car accident takes place, the accessible starts the dwang 11 that a plurality of electric telescopic handle 23 drove two carriage release lever 10 and both ends and together move down, until a plurality of dwang 11 all remove to the position between two tracks after, drive pivot 30 and drive block 12 through starter motor 24 and rotate, can cause the extrusion to two carriage release lever 10 when drive block 12 rotates, make two carriage release lever 10 move towards the direction of keeping away from each other, and then can drive the dwang 11 together and remove towards the direction of keeping away from each other, make brake block 20 on a plurality of dwang 11 tightly offset with orbital outer wall, reach the effect of auxiliary brake, avoid the swift current car accident to appear in transport vechicle 1, improve the security of transport vechicle 1 transportation section of jurisdiction.
When needs overhaul the track, with transport vechicle 1 remove to the position that needs overhaul after, drive two carriage release levers 10 by motor 24 and be the reciprocating state that makes a round trip and remove, and then drive and strike piece 14 and can strike the track, the staff can judge orbital quality according to the sound of striking the production, further improvement transport vechicle 1's practicality.
After the transport vehicle 1 is used for a long time, when a worker needs to overhaul the transport vehicle 1, the plurality of rotating rods 11 can be driven by an external driving mechanism to rotate together downwards 90 in a downward vertical state, the plurality of rotating rods 11 can be used as supporting legs at the moment, the transport vehicle 1 can be directly placed on an overhaul platform through the plurality of rotating rods 11 at the bottom, and the worker can conveniently overhaul the bottom of the transport vehicle 1; even when transport vechicle 1 does not use, a plurality of dwang 11 that are vertical state in transport vechicle 1 bottom can regard whole transportation equipment as place the platform to use, places other instruments that are used for tunnel construction or recoverable industrial refuse at the top of transport vechicle 1 for the practicality of transport vechicle 1 can obtain improvement by a wide margin.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. Transport structure of shield method tunnel construction, including transport vechicle (1), a serial communication port, the top of transport vechicle (1) is equipped with recess (2) that are used for placing the section of jurisdiction, be equipped with in recess (2) and be used for carrying out the stop gear who fixes to the section of jurisdiction, two support piece (3) are installed near recess (2) at transport vechicle (1) top, gyro wheel (6) with track looks adaptation are all installed to the bottom four corners position of transport vechicle (1), the bottom of transport vechicle (1) still is equipped with auxiliary brake mechanism, auxiliary brake mechanism is including setting up two carriage release lever (10) in transport vechicle (1) below, dwang (11) are all installed in the rotation in the both ends of two carriage release lever (10), the one end that carriage release lever (10) were kept away from in a plurality of dwang (11) all is equipped with brake pads (20), actuating mechanism is installed to the bottom position placed in the middle of transport vechicle (1).
2. The transportation structure for shield tunnel construction according to claim 1, wherein the driving mechanism comprises a motor (24), the motor (24) is installed at the bottom of the transportation vehicle (1), a rotating shaft (30) is coaxially installed at the output end of the motor (24), a driving block (12) is installed at one end of the rotating shaft (30) far away from the motor (24), and the outer wall of the driving block (12) abuts against the outer wall of the side, close to the two movable rods (10).
3. The transportation structure for shield tunnel construction according to claim 2, wherein two sliding grooves (9) are formed in the bottom of the transportation vehicle (1), two sliding blocks (22) are mounted inside the two sliding grooves (9), and the bottom ends of the sliding blocks (22) are connected with the moving rods (10) close to the sliding blocks through electric telescopic rods (23).
4. The transport structure for shield tunneling according to claim 3, wherein cleaning brushes (21) are installed at the ends of the two rotating rods (11) far away from the moving rod (10), the brake blocks (20) are installed at the tops of the cleaning brushes (21), and the extension rods (19) are movably inserted in the rotating rods (11).
5. The transportation structure for shield tunneling construction according to claim 4, wherein the opposite ends of the transportation vehicle (1) are provided with rectangular grooves (4) adapted to the rotating rods (11), the transportation vehicle (1) is provided with a housing (5) at a position close to the rectangular grooves (4), and the housing (5) is provided with a fixing mechanism for limiting the positions of the rotating rods (11).
6. The transport structure for shield tunneling according to claim 5, wherein the fixing mechanism comprises a double-shaft motor (16) installed inside the housing (5), both output ends of the double-shaft motor (16) are coaxially connected with threaded sleeves (17), and both output ends of the two threaded sleeves (17) are threadedly connected with threaded rods (18).
7. The transportation structure of shield tunnel construction according to claim 6, wherein the limiting mechanism comprises a winding roller (25) movably sleeved on the outer wall of a rotating shaft (30), a mounting block (26) is mounted at the bottom of the winding roller (25), a movable groove (27) is formed in the winding roller, an electric slider (28) is mounted in the movable groove (27), an insert block (29) is mounted at one end, close to the rotating shaft (30), of the electric slider (28), and a slot (31) matched with the insert block (29) is formed in the outer wall of the rotating shaft (30).
8. The transportation structure for shield tunnel construction according to claim 7, wherein two pull ropes (7) are wound around the outer wall of the wind-up roll (25), and one ends of the two pull ropes (7) far away from the wind-up roll (25) are jointly connected with a fixing belt (8).
9. The transport structure for shield tunnel construction according to claim 8, wherein the bottoms of the two movable rods (10) are rotatably provided with turning blocks (13), and the ends of the two turning blocks (13) far away from the movable rods (10) are connected with knocking blocks (14) through springs (15).
10. A transport method for shield tunnel construction, characterized in that the method comprises the transport structure of claim 9 and the transport method further comprises the steps of:
the method comprises the following steps: when a plurality of duct pieces need to be transported by using the transport vehicle (1), the duct pieces are stacked and placed at the top of the transport vehicle (1), an electric slider (28) in a movable groove (27) is started to drive an insertion block (29) to be inserted into an insertion groove (31), a motor (24) drives a rotating shaft (30) to rotate and simultaneously can drive a winding roller (25) to synchronously rotate, two pull ropes (7) are wound, a fixing belt (8) is slowly tightened, the plurality of duct pieces stacked at the top of the transport vehicle (1) can be limited and fixed, and the transport vehicle (1) can ensure the stability of the transport vehicle (1) when the duct pieces move to a road section and bump;
step two: in order to further ensure the transportation stability of the duct pieces, the driving mechanism can drive the upward rotation degrees of the plurality of rotating rods (11) to be in a vertical upward state together, and then after the positions of the rotating rods (11) are fixed through the fixing mechanism, the rotating rods (11) in the vertical upward state can limit and fix the front end and the rear end of the duct piece at the top of the transport vehicle (1);
step three: when the transport vehicle (1) moves to a track with a larger gradient, if a vehicle sliding accident occurs, the plurality of electric telescopic rods (23) can be started to drive the two movable rods (10) and the rotating rods (11) at the two ends to move downwards together, until the plurality of rotating rods (11) move to the position between the two tracks, the rotating shaft (30) and the driving block (12) are driven to rotate by the starting motor (24), the two movable rods (10) can be squeezed when the driving block (12) rotates, the two movable rods (10) are driven to move towards the direction away from each other, the rotating rods (11) can be driven to move towards the direction away from each other together, the brake blocks (20) on the plurality of rotating rods (11) are tightly abutted against the outer wall of the track, and the effect of auxiliary braking is achieved;
step four: when needs overhaul the track, with transport vechicle (1) remove to the position that needs overhaul after, drive two carriage release levers (10) by motor (24) and be the reciprocating state that makes a round trip and remove, and then drive and strike piece (14) and can strike the track, the staff can judge orbital quality according to the sound of striking the production.
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| CN202211344612.3A CN115610461B (en) | 2022-10-31 | 2022-10-31 | Transportation method and transportation structure for shield tunnel construction |
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| CN115610461B (en) | 2024-02-02 |
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