CN115610461B - Transportation method and transportation structure for shield tunnel construction - Google Patents
Transportation method and transportation structure for shield tunnel construction Download PDFInfo
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- CN115610461B CN115610461B CN202211344612.3A CN202211344612A CN115610461B CN 115610461 B CN115610461 B CN 115610461B CN 202211344612 A CN202211344612 A CN 202211344612A CN 115610461 B CN115610461 B CN 115610461B
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims description 22
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation 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
- 239000002002 slurry Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- 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. According to the invention, when the transport vehicle moves to the track with a larger gradient, if a vehicle sliding accident occurs, the two moving rods are driven by the starting motor to move towards the direction away from each other, so that the rotating rods can be driven to move towards the direction away from each other together, the brake blocks on the rotating rods are tightly abutted against the outer wall of the track, the effect of auxiliary braking is achieved, the vehicle sliding accident is avoided, and the safety of the transport duct piece 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-method tunnel construction, and belongs to the technical field of tunnel construction.
Background
At present, the transport systems of the domestic shield method construction basically adopt a rail transport mode (the waste slag of a mud-water machine is transported by a slurry transport system, but the pipe pieces, mortar, steel rails, other materials and the like still need the rail transport system). The main parameters of the transportation system are related to the gradient of the tunnel, the engineering progress requirement, the model number and the parameters of the shield machine and the management mode of the construction unit. The former is a necessary condition that must be satisfied, and the latter is a related factor that can be comprehensively considered.
The rail transportation locomotives are usually 4-5 flat plate marshalling, and have 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 commonly share the same rail, the mobility is poor, and the rail transportation locomotives are easy to slip when used under the working condition of larger gradient, and have lower safety.
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 above purpose, the present invention adopts the following technical scheme:
the utility model provides a shield constructs transportation structure of method tunnel construction, includes the transport vechicle, the top of transport vechicle is equipped with the recess that is used for placing the section of jurisdiction, is equipped with the stop gear who is used for fixing the section of jurisdiction in the recess, and two support pieces are installed near the recess at the transport vechicle top, and the gyro wheel with track looks adaptation is all installed to the bottom four corners position of transport vechicle, and the bottom of transport vechicle still is equipped with auxiliary brake mechanism, and auxiliary brake mechanism is including setting up two movable levers in the transport vechicle below, and the dwang is all installed in the both ends of two movable levers in the rotation, and the one end that the movable lever was kept away from to a plurality of dwang all is equipped with the brake shoe, and actuating mechanism is installed to the bottom position placed in the middle of transport vechicle.
Optionally, the actuating mechanism includes the motor, and the motor is installed in the bottom of transport vechicle, and the output coaxial arrangement of motor has the pivot, and the one end that the motor was kept away from to the pivot is installed the drive block, and the outer wall of drive block and two movable rod are close to one side outer wall looks butt.
Optionally, two spouts have been seted up to the bottom of transport vechicle, and two sliders are all installed to the inside of two spouts, and the bottom of a plurality of sliders is all connected with the movable rod that is close to with it through electric telescopic handle.
Optionally, the cleaning brush is all installed to two the dwang keep away from the one end of movable rod, and the brake block is installed at the top of cleaning brush, and the inside of dwang still activity cartridge has the extension rod.
Optionally, rectangular grooves matched with the rotating rods are formed in two opposite ends of the transport vehicle, a shell is mounted at the position, close to the rectangular grooves, of the transport vehicle, and a fixing mechanism used for limiting the positions of the rotating rods is arranged in the shell.
Optionally, the fixed establishment is including installing at the inside biax motor of casing, and two equal coaxial coupling of output of biax motor have threaded sleeve, and two threaded sleeve's equal threaded connection have the threaded rod.
Optionally, stop gear includes the wind-up roll of movable sleeve dress at the pivot outer wall, and the installation piece is installed to the bottom of wind-up roll, and movable groove has been seted up to its inside, and movable groove's internally mounted has electronic slider, and electronic slider is close to the one end of pivot and installs the inserted block, and the slot with the inserted block looks adaptation has been seted up to the outer wall of pivot.
Optionally, the outer wall winding of wind-up roll has two stay cords, and the one end that wind-up roll was kept away from to two stay cords is connected with the fixed band jointly.
Optionally, two the turning block is installed in the bottom of movable rod all rotates, and the one end that the movable rod was kept away from to two turning blocks all has the piece of beating through spring coupling.
The method for transporting the shield tunnel construction comprises the transporting structure, and the method for transporting the shield tunnel construction further comprises the following steps:
step one: when a plurality of duct pieces are required to be transported by using the transport vehicle, after the duct pieces are stacked and placed at the top of the transport vehicle, the electric sliding block in the movable groove is started to drive the inserting block to be inserted into the inserting groove, and the motor drives the rotating shaft to rotate and simultaneously drives the winding roller to synchronously rotate, so that the two pull ropes are wound, the fixing belt is slowly tightened, the duct pieces stacked 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 transport duct pieces travel to a bumpy road section;
step two: in order to further ensure the transportation stability of a plurality of duct pieces, the driving mechanism can drive the plurality of rotating rods to be in a vertical upward state together with the upward rotation degree, and then after the positions of the rotating rods are fixed through the fixing mechanism, the rotating rods 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;
step three: when the transport vehicle moves to a track with a larger gradient, if a vehicle sliding accident occurs, a plurality of electric telescopic rods can be started to drive two moving rods and rotating rods at two ends of the two moving rods to move downwards together, until the rotating rods are moved to a position between the two tracks, a motor is started to drive a rotating shaft and a driving block to rotate, the two moving rods can be extruded when the driving block rotates, the two moving rods are driven to move towards a mutual away direction, and then the rotating rods can be driven to move towards the mutual away direction together, so that a brake block on the rotating rods is 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 is moved to a position needing to be overhauled, the motor drives the two moving rods to move back and forth in a reciprocating state, so that the knocking block is driven to knock the track, and staff can judge the quality of the track according to sound generated by knocking.
The beneficial effects of the invention are as follows:
1. according to the invention, when the transport vehicle moves 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 moving rods and the rotating rods at the two ends of the two moving rods to move downwards together until the two moving rods move to a position between the two tracks, the rotating shafts and the driving blocks are driven to rotate by the starting motor, the two moving rods can be extruded when the driving blocks rotate, the two moving rods are driven to move towards a direction away from each other, the rotating rods at the two ends of the two moving rods can be driven to move towards a direction away from each other together, the brake blocks on the plurality of rotating rods are tightly abutted against the outer walls of the track, an auxiliary braking effect is achieved, the vehicle sliding accident of the transport vehicle is avoided, and the safety of the transport duct piece of the transport vehicle is improved.
2. According to the invention, when a large amount of sundries such as dust or sediment are attached 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 back and forth at the bottom of the transport vehicle, so that the cleaning brushes at the two ends of the two moving rods can synchronously move back and forth, the sundries such as dust or sediment on the surface of the track can be automatically cleaned, and the influence of the sundries on the surface of the track on the travelling of the transport vehicle is avoided.
3. According to the invention, when more duct pieces are placed on the top of the transport vehicle, the plurality of rotating rods can be driven by the external driving mechanism to rotate upwards for 90 degrees together to be in a vertical upward state, the rotating rods are all positioned in rectangular grooves at two ends of the transport vehicle, and after the positions of the rotating rods are fixed by the fixing mechanism arranged in the shell, the duct pieces on the top of the transport vehicle can be limited and fixed by the rotating rods in the vertical upward state, so that the problems of sliding of the duct pieces and reduction of transport efficiency in the moving process of the transport vehicle are avoided.
4. According to the invention, through the rotating blocks, the springs and the knocking blocks which are arranged at the bottoms of the two moving rods, when the track is required to be overhauled, the transporting vehicle is moved to the position required to be overhauled, the two moving rods are driven by the motor to move in a reciprocating state, the knocking blocks are driven to knock the track, and the staff can judge the quality of the track according to sound generated by knocking, so that the practicability of the transporting vehicle is further improved.
Drawings
For the purpose of facilitating understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings
FIG. 1 is a schematic diagram of the overall structure of a transport structure for shield tunnel construction;
FIG. 2 is a schematic view of the structure of FIG. 1 at another angle;
FIG. 3 is a schematic view of a structure of the rotating rod in a vertically upward state;
FIG. 4 is a schematic diagram of the structure of the present invention;
FIG. 5 is a schematic diagram of the connection between 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; 4. rectangular grooves; 5. a housing; 6. a roller; 7. a pull rope; 8. a fixing belt; 9. a chute; 10. a moving rod; 11. a rotating lever; 12. a driving block; 13. a rotating block; 14. knocking the block; 15. a spring; 16. a biaxial motor; 17. a threaded sleeve; 18. a threaded rod; 19. an extension rod; 20. a brake block; 21. a cleaning brush; 22. a slide block; 23. an electric telescopic rod; 24. a motor; 25. a wind-up roll; 26. a mounting block; 27. a movable groove; 28. an electric slide block; 29. inserting blocks; 30. a rotating shaft; 31. a slot.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the transport structure for shield tunnel construction comprises a transport vehicle 1, wherein a groove 2 for placing a pipe piece is formed in the top of the transport vehicle 1, a limiting mechanism for fixing the pipe piece is arranged in the groove 2, two supporting pieces 3 are installed on the top of the transport vehicle 1 close to the groove 2, idler wheels 6 matched with a track are installed at four corners of the bottom of the transport vehicle 1, an auxiliary braking mechanism is further arranged at the bottom of the transport vehicle 1 and comprises two moving rods 10 arranged below the transport vehicle 1, two ends of the two moving rods 10 are rotatably provided with rotating rods 11, one ends, far away from the moving rods 10, of the rotating rods 11 are provided with braking blocks 20, and a driving mechanism is installed at the central position of the bottom of the transport vehicle 1.
As a technical optimization scheme of the invention, the driving mechanism comprises a motor 24, the motor 24 is arranged at the bottom of the transport vehicle 1, a rotating shaft 30 is coaxially arranged at the output end of the motor 24, a driving block 12 is arranged at one end of the rotating shaft 30 far away from the motor 24, and the outer wall of the driving block 12 is abutted against the outer wall of one side, close to the two moving rods 10.
As a technical optimization scheme of the invention, two sliding grooves 9 are formed in the bottom of the transport vehicle 1, two sliding blocks 22 are arranged in the two sliding grooves 9, and the bottom ends of the sliding blocks 22 are connected with a moving rod 10 which is close to the sliding blocks through an electric telescopic rod 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 provided with cleaning brushes 21, a brake block 20 is arranged at the top of each cleaning brush 21, and an extension rod 19 is movably inserted into the rotating rods 11. When a large amount of sundries such as dust or sediment 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 back and forth at the bottom of the transport vehicle 1 in a reciprocating state, so that the cleaning brushes 21 positioned at the two ends of the two moving rods 10 can synchronously move back and forth, the sundries such as dust or sediment on the surface of the track can be automatically cleaned, and the influence of the sundries on the surface of the track on the travelling of the transport vehicle 1 is avoided.
As a technical optimization scheme of the invention, rectangular grooves 4 matched with the rotating rods 11 are formed at two opposite ends of the transport vehicle 1, a shell 5 is arranged at the position, close to the rectangular grooves 4, of the transport vehicle 1, and a fixing mechanism used for limiting the positions of the rotating rods 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 connected with the threads of the two threaded sleeves 17. When the section of jurisdiction that transport vechicle 1 top was placed is more, the upward rotation 90 degrees of accessible outside actuating mechanism drive a plurality of dwang 11 together are vertical upward state, a plurality of dwang 11 this moment all are located the rectangular channel 4 at transport vechicle 1 both ends, then start the screw sleeve 17 that drives its both ends through the biax motor 16 that sets up in the casing 5 and rotate for threaded rod 18 rotation in two screw sleeves 17 stretches out, fix the position back of dwang 11, the dwang 11 that is vertical upward state can all carry out spacing fixedly to the front and back both ends of transport vechicle 1 top section of jurisdiction, avoid appearing the landing in transport vechicle 1 advancing the in-process, 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, 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 sliding block 28 is mounted in the movable groove 27, an inserting block 29 is mounted at one end, close to the rotating shaft 30, of the electric sliding block 28, and a slot 31 matched with the inserting 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 wind-up roll 25, and one ends of the two pull ropes 7 far away from the wind-up roll 25 are connected with a fixing belt 8. In the process of transporting the pipe pieces by the transport vehicle 1, in order to ensure that the pipe pieces are positioned at the top of the transport vehicle 1 and can be ensured to be stable, the pipe pieces can be stacked at the top of the transport vehicle 1 and positioned in the fixed belt 8, then after the electric sliding block 28 in the movable groove 27 is started to drive the inserting block 29 to be inserted into the slot 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, the two pull ropes 7 are wound, the fixed belt 8 is slowly tightened, and the pipe pieces stacked at the top of the transport vehicle 1 can be limited and fixed, so that the transport vehicle 1 can ensure the stability of the pipe pieces when the pipe pieces travel to a bumpy road section, and the pipe pieces are prevented from scattering in the transportation process; moreover, when the number of the segments stacked at the top of the transport vehicle 1 is not large, the movable sliding block 28 can slide in the movable groove 27 to reset, and the insert block 29 is driven to be separated from the slot 31, so that the winding roller 25 is not driven to synchronously rotate when the motor 24 drives the rotating shaft 30 to rotate, and the influence of the winding roller 25 on the rotation of the rotating shaft 30 caused by the continuous winding of the pull rope 7 is avoided.
As a technical optimization scheme of the invention, the bottoms of the two movable rods 10 are rotatably provided with the rotating blocks 13, and one ends of the two rotating blocks 13 far away from the movable rods 10 are connected with the knocking blocks 14 through springs 15. Through the rotating blocks 13, the springs 15 and the knocking blocks 14 which are arranged at the bottoms of the two movable rods 10, when the track is required to be overhauled, after the transport vehicle 1 is moved to a position required to be overhauled, the motor 24 drives the two movable rods 10 to move back and forth in a reciprocating state, so that the knocking blocks 14 are driven to knock the track, and a worker can judge the quality of the track according to sound generated by knocking, so that the practicability of the transport vehicle 1 is further improved; in addition, in the process of normally transporting the duct piece by the transport vehicle 1, the two rotating blocks 13 can be respectively rotated to be in a state of being flush with the moving rod 10, so that the continuous track of the knocking block 14 is prevented from being knocked, and the advancing of the transport vehicle 1 is prevented from being influenced.
The method for transporting the shield tunnel construction comprises the transporting structure, and the method for transporting the shield tunnel construction further comprises the following steps:
step one: when the transport vehicle 1 is used for transporting a plurality of duct pieces, after the duct pieces are stacked and placed at the top of the transport vehicle 1, the electric sliding block 28 in the movable groove 27 is started to drive the inserting block 29 to be inserted into the inserting groove 31, the motor 24 can drive the rotating shaft 30 to rotate and simultaneously drive the winding roller 25 to synchronously rotate, the two pull ropes 7 are wound, the fixing belt 8 is slowly tightened, and the duct pieces stacked at the top of the transport vehicle 1 can be limited and fixed, so that the transport vehicle 1 can ensure the stability of the transport vehicle 1 when the transport duct pieces travel to a bumpy road section;
step two: in order to further ensure the transportation stability of a plurality of duct pieces, the driving mechanism can drive the plurality of rotating rods 11 to be in a vertical upward state together with the upward rotation degree, and then after the position of the rotating rods 11 is fixed by 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, a plurality of electric telescopic rods 23 can be started to drive two moving rods 10 and rotating rods 11 at two ends of the moving rods to move downwards together until the rotating rods 11 move to a position between the two tracks, a motor 24 is started to drive a rotating shaft 30 and a driving block 12 to rotate, when the driving block 12 rotates, the two moving rods 10 can be extruded, the two moving rods 10 are driven to move towards a mutual separation direction, and then the rotating rods 11 can be driven to move towards the mutual separation direction together, so that a brake block 20 on the rotating rods 11 tightly props 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 a position needing to be overhauled, the motor 24 drives the two moving rods 10 to move back and forth in a reciprocating state, so that the knocking block 14 is driven to knock the track, and a worker can judge the quality of the track according to sound generated by knocking.
In the invention, when a user needs to use the transport vehicle 1 to transport a plurality of segments, after stacking the segments on the top of the transport vehicle 1, in order to ensure the stability of transportation of the segments, after the electric sliding block 28 in the movable groove 27 is started to drive the inserting block 29 to be inserted into the inserting groove 31, the motor 24 can drive the rotating shaft 30 to rotate and simultaneously drive the winding roller 25 to synchronously rotate, so that the two pull ropes 7 are wound, the fixing belt 8 is slowly tightened, and the plurality of segments stacked on the top of the transport vehicle 1 can be limited and fixed, so that the transport vehicle 1 can ensure the stability of the segments when the transport vehicle travels to a bumpy road section, and the condition that the segments are scattered in the transportation process is avoided.
Meanwhile, in order to further ensure the stability of transportation of a plurality of section of jurisdictions, the upward rotation of a plurality of dwang 11 together of accessible actuating mechanism drive is vertical upward state, then fixes the back through the position of fixed establishment to dwang 11, and dwang 11 that is vertical upward state can all carry out spacing fixing to the front and back both ends of transport vechicle 1 top section of jurisdiction, avoids in transport vechicle 1 advancing the in-process section of jurisdiction to appear the landing, reduces the problem of conveying efficiency.
When the transport vechicle 1 advances to the track of great slope, if take place the swift current car accident, the accessible starts a plurality of electric telescopic handle 23 and drives two carriage release levers 10 and the dwang 11 at both ends and move down together, until a plurality of dwang 11 all move to the position between two tracks after, drive pivot 30 and drive piece 12 through starter motor 24 and rotate, can cause the extrusion to two carriage release levers 10 when drive piece 12 rotates, make two carriage release levers 10 move towards mutual keeping away from the direction, and then can drive the movement of mutual keeping away from the direction of dwang 11 together, make the brake shoe 20 on a plurality of dwang 11 tightly offset with orbital outer wall, reach auxiliary braking's effect, avoid transport vechicle 1 to appear the swift current car accident, improve the security of transport vechicle 1 transportation section of jurisdiction.
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 back and forth in a reciprocating state, so that the knocking block 14 is driven to knock the track, a worker can judge the quality of the track according to sound generated by knocking, and the practicability of the transport vehicle 1 is further improved.
When the transport vehicle 1 is used for a long time, a worker needs to overhaul the transport vehicle 1, the plurality of rotating rods 11 can be driven to rotate downwards 90 together through an external driving mechanism to be in a downward vertical state, the plurality of rotating rods 11 at the moment can be used as supporting legs, and the transport vehicle 1 can be directly placed on an overhaul platform through the plurality of rotating rods 11 at the bottom, so that the worker can overhaul the bottom of the transport vehicle 1 conveniently; even when the transport vechicle 1 is not used, a plurality of dwang 11 that are vertical state in transport vechicle 1 bottom can use whole transportation equipment as placing platform, places other instrument that are used for tunnel construction or recycle's industrial refuse at the top of transport vechicle 1 for the practicality of transport vechicle 1 can obtain very big improvement.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form 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 understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (8)
1. The utility model provides a transport structure of shield method tunnel construction, including transport vechicle (1), its characterized in that, 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 fixed stop gear to the section of jurisdiction, two support pieces (3) are installed near recess (2) in transport vechicle (1) top, gyro wheel (6) with track looks adaptation are all installed in bottom four corners position of transport vechicle (1), the bottom of transport vechicle (1) still is equipped with auxiliary braking mechanism, auxiliary braking mechanism is including setting up two movable rods (10) in transport vechicle (1) below, both ends of two movable rods (10) are all rotated and are installed dwang (11), the one end that movable rod (10) were kept away from to a plurality of dwang (11) all is equipped with brake block (20), actuating mechanism is installed in the bottom central position of transport vechicle (1).
The driving mechanism comprises a motor (24), the motor (24) is arranged at the bottom of the transport vehicle (1), a rotating shaft (30) is coaxially arranged at the output end of the motor (24), a driving block (12) is arranged 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 against the outer wall of one side, close to the two moving rods (10);
two sliding grooves (9) are formed in the bottom of the transport vehicle (1), two sliding blocks (22) are arranged in the two sliding grooves (9), and the bottoms of the sliding blocks (22) are connected with a moving rod (10) which is close to the sliding blocks through an electric telescopic rod (23).
2. The transport structure for shield tunnel construction according to claim 1, wherein the two rotating rods (11) are provided with cleaning brushes (21) at one ends far away from the moving rod (10), the brake block (20) is arranged at the top of the cleaning brushes (21), and an extension rod (19) is movably inserted into the rotating rods (11).
3. The transport structure for shield tunnel construction according to claim 2, wherein rectangular grooves (4) matched with the rotating rods (11) are formed in two opposite ends of the transport vehicle (1), a shell (5) is installed at a position, close to the rectangular grooves (4), of the transport vehicle (1), and a fixing mechanism used for limiting the positions of the rotating rods (11) is arranged in the shell (5).
4. A transportation structure for shield tunnel construction according to claim 3, characterized in that the fixing mechanism comprises a double-shaft motor (16) installed inside the casing (5), two output ends of the double-shaft motor (16) are coaxially connected with threaded sleeves (17), and the inside of the two threaded sleeves (17) is connected with a threaded rod (18) in a threaded manner.
5. The transport structure for tunnel construction by a shield method according to claim 4, wherein the limiting mechanism comprises a winding roller (25) movably sleeved on the outer wall of the rotating shaft (30), the bottom of the winding roller (25) is provided with a mounting block (26), a movable groove (27) is formed in the winding roller, an electric sliding block (28) is mounted in the movable groove (27), an inserting block (29) is mounted at one end, close to the rotating shaft (30), of the electric sliding block (28), and a slot (31) matched with the inserting block (29) is formed in the outer wall of the rotating shaft (30).
6. The transport structure for shield tunnel construction according to claim 5, wherein two pull ropes (7) are wound on 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 commonly connected with a fixing belt (8).
7. The transport structure for shield tunnel construction according to claim 6, wherein the bottoms of the two moving rods (10) are rotatably provided with rotating blocks (13), and one ends of the two rotating blocks (13) far away from the moving rods (10) are connected with knocking blocks (14) through springs (15).
8. A method for transporting a shield tunnel construction, comprising the transport structure of claim 7, further comprising the steps of:
step one: when a plurality of duct pieces are required to be transported by using the transport vehicle (1), after the duct pieces are stacked and placed at the top of the transport vehicle (1), the electric sliding block (28) in the movable groove (27) is started to drive the inserting block (29) to be inserted into the inserting groove (31), the motor (24) can drive the rotating shaft (30) to rotate and simultaneously drive the winding roller (25) to synchronously rotate, the two pull ropes (7) are wound, the fixing belt (8) is slowly tightened, and the duct pieces stacked at the top of the transport vehicle (1) can be limited and fixed, so that the transport vehicle (1) 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 a plurality of duct pieces, the driving mechanism can drive the plurality of rotating rods (11) to be in a vertical upward state together with the upward rotation degree, and then after the position of the rotating rods (11) is 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 two moving rods (10) and the rotating rods (11) at the two ends of the two moving rods are driven to move downwards by starting the plurality of electric telescopic rods (23) until the plurality of rotating rods (11) move to a position between the two tracks, the rotating shaft (30) and the driving block (12) are driven to rotate by starting the motor (24), the two moving rods (10) can be extruded when the driving block (12) rotates, the two moving rods (10) are driven to move towards a mutual separating direction, and then the rotating rods (11) can be driven to move towards the mutual separating direction together, so that the brake blocks (20) on the plurality of rotating rods (11) are tightly propped against the outer wall of the track, and an auxiliary braking effect is achieved;
step four: when the track is required to be overhauled, after the transport vehicle (1) is moved to a position required to be overhauled, the motor (24) drives the two moving rods (10) to move back and forth in a reciprocating state, so that the knocking block (14) is driven to knock the track, and a worker can judge the quality of the track according to sound generated by knocking.
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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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| CN202211344612.3A CN115610461B (en) | 2022-10-31 | 2022-10-31 | Transportation method and transportation structure for shield tunnel construction |
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| CN115610461B true CN115610461B (en) | 2024-02-02 |
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| WO2017117303A1 (en) * | 2015-12-28 | 2017-07-06 | Krasnoff Curren | Braking system |
| CN109398404A (en) * | 2018-11-15 | 2019-03-01 | 合肥工业大学 | Electric power transport vehicle antiskid system and subway work transportation system |
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|---|---|
| CN115610461A (en) | 2023-01-17 |
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