CN110053720A - Immersed tube combination transport installs equipment and transportation installation method - Google Patents

Abstract

The invention discloses an immersed tube combined transport and installation equipment and a transport and installation method. The equipment comprises a floating floating body beam mechanism, two hulls arranged in parallel and a winch installed on the hull. The floating floating body beam mechanism is provided with a beam for connecting The traction point of the winch cable; the floating floating body beam mechanism includes a lifting beam and a floating body lifting beam, including a beam frame at both ends that can be detachably connected to the two hulls, and a hoisting device installed between the two hulls for hoisting immersed tubes The two ends of the beam frame are used as connecting ends. The connecting ends are placed on the hull deck. The hull deck is provided with connecting parts for connecting the connecting ends. The hoisting assembly is installed on the beam frame, and the floating body is installed under the beam frame to make the The beam frame floats on the water. The equipment is simple in structure, low in production cost, can reduce construction cost, can be flexibly assembled and disassembled according to construction requirements, can be easily applied to immersed pipe construction operations, can improve the utilization rate of equipment, and facilitate construction dispatch.

Description

Immersed tube combined transportation and installation equipment and transportation and installation method

technical field

The invention relates to an immersed tube tunnel construction technology, in particular to an immersed tube combined transportation and installation equipment and a transportation and installation method.

Background technique

The immersed tube method is a construction method for building tunnels underwater. The immersed tube tunnel is an underwater tunnel constructed by floating several sections of prefabricated immersed tubes to the water surface construction site, and then sinking and installing them in the dredged foundation groove one by one. The existing immersed tube flotation technology generally uses multiple high-power tugboats to drag and transport the immersed tube, and multiple tugboats are used to transport the immersed tube, which has the problems of complicated scheduling arrangement between ships, long construction period and high cost.

In order to solve this problem, Chinese patent CN206187298U discloses a self-propelled underwater tunnel immersed tube carrying and installation integrated ship. According to the structure of the immersed tube, an integrated ship equipment specially used for immersed tube transportation is independently designed, but This kind of special marine equipment needs to be produced separately and can only be used for transporting immersed tubes. The production cost of the equipment is high and the utilization rate of the equipment is low. The use of this kind of special equipment will increase the construction cost. The fixation causes the overall volume to be relatively large. During the dispatching process, there are high requirements on the water depth and width of the channel, which restricts the use of equipment and is inconvenient for construction and dispatching.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide an immersed tube combined transport and installation equipment and a transport and installation method. The equipment has a simple structure, uses the existing transport ship as the main component, and the equipment production cost is low and can be The construction cost is reduced, and the equipment can be assembled into integrated immersed pipe transportation equipment according to construction requirements, which is convenient for application in immersed pipe transportation and installation. The mechanism can improve the utilization rate of equipment and facilitate construction dispatch.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An immersed tube combined transport and installation equipment includes a floating floating body beam mechanism, two parallel hulls and a winch mounted on the hull, the floating floating body beam mechanism is provided with a cable for connecting the winch cable. towing point; the floating floating body beam mechanism includes a lifting beam and a floating body with adjustable draft, the lifting beam includes a beam frame with two ends detachably connecting the two hulls, and a beam frame arranged between the two hulls. In the hoisting assembly for hoisting the immersed pipe, the two ends of the beam frame are used as the connecting ends of the beam frame and the hull, and the connecting ends are erected on the hull deck, and the hull deck is provided with a connecting end for connecting the For the connecting part of the connecting end, the hoisting assembly is installed on the beam frame, and the floating body is installed under the beam frame to make the beam frame float on the water surface.

An immersed tube combined transport and installation equipment includes a floating floating body beam mechanism, two parallel hulls and a winch mounted on the hull, the floating floating body beam mechanism is provided with a cable for connecting the winch cable. towing point; the floating floating body beam mechanism includes a lifting beam and a floating body with adjustable draft, the lifting beam includes a beam frame with two ends detachably connecting the two hulls, and a beam frame arranged between the two hulls. For the hoisting assembly for hoisting the immersed tube, the hoisting assembly is installed on the beam frame, and the floating body is installed under the beam frame to make the beam frame float on the water surface.

Preferably, the hull can be set as a square barge.

Preferably, the traction point can be a hanging point provided on the beam frame, and the traction point is set to at least two.

Preferably, the beam frame is arranged perpendicular to the length direction of the hull, and the connecting member is a tie point set on the deck of the hull, and the tie point can be tied to the connection above it. end.

Preferably, the length of the connecting end is 0.5-1 m.

Preferably, the floating body includes a floating tank provided with a ballast water tank, and the ballast water tank is provided with an injection and drainage unit.

Preferably, the injection and drainage unit may include an injection and drainage port communicating with the ballast water tank, the injection and drainage port is connected to a water pipe of a bidirectional water pump, and the other water pipe of the bidirectional water pump can be inserted into the water body where the floating tank is located .

Preferably, there are two pontoons, the pontoons are arranged between the two hulls, and the two pontoons are symmetrically arranged on both sides of the immersed tube.

Preferably, the pontoon is a rectangular parallelepiped pontoon, and the length direction of the pontoon is parallel to the length direction of the hull.

Preferably, the hoisting assembly includes a cable lifting mechanism, and the cable end of the cable lifting mechanism is provided with a hook, and the hook can be connected to a preset lifting point on the top of the immersed tube.

Preferably, the cable lifting mechanism includes two hoists that can lift cables vertically, the hoists are symmetrically arranged on both sides of the vertical plane where the central axis of the immersed tube is located, and the hoist body is installed below the beam frame.

Preferably, a plurality of the floating floating body beam mechanisms are provided.

Preferably, there are two floating floating body beam mechanisms, and the beam frames of the two floating floating body beam mechanisms are arranged in parallel.

The invention also discloses an immersed tube transportation and installation process using the above-mentioned immersed tube combined transportation and installation equipment, which includes the following steps:

The hull is in place: the two parallel hulls are moved to the designated equipment assembly position and positioned;

Equipment assembly: the cable of the winch on the hull is connected to the traction point of the floating floating body beam mechanism through the hook, start the winch to drag the floating floating body beam mechanism to the preset position between the two hulls, and then lower the The draught of the floating body is lowered to the point where the connecting end of the beam frame is in contact with the hull deck, and the connecting end and the hull are detachably connected by connecting parts, that is, the assembly of the immersed tube combined transportation and installation equipment is completed;

Immersed tube loading: start the hull to drive the immersed tube combined transport and installation equipment to the location of the immersed tube, and use the hoisting assembly to connect and hoist the immersed tube, that is, to complete the immersed tube loading;

Immersed tube transportation and installation: start the hull towing the immersed tube to float the immersed tube to the designated installation position, and then position the hull. The connection of the hoisting components completes the installation of the immersed pipe;

Equipment disassembly: release the connection between the connecting end of the beam frame and the connecting parts of the hull, separate the hull from the floating floating body beam mechanism, and complete the disassembly of the immersed tube combined transportation and installation equipment.

Compared with the prior art, the advantages and positive effects of the present invention are as follows: the present invention provides an immersed tube combined transport and installation equipment and a transport and installation method, the equipment is simple in structure, and the existing transport ship is used as the main component, and the production cost of the equipment is low. It is relatively low, which can reduce the construction cost, and the equipment can be assembled into an integrated immersed tube transportation equipment according to the construction requirements, which is convenient for application in the transportation and installation of immersed tubes. The organization of construction and dispatch can improve the utilization rate of equipment and facilitate construction and dispatch.

Description of drawings

Fig. 1 is the top view of the combined state of the immersed pipe combined transport and installation equipment of the present invention;

FIG. 2 is a schematic structural diagram of the combined state of the immersed tube combined transportation and installation equipment of the present invention;

3 is a schematic structural diagram of the floating floating body beam mechanism of the present invention;

4 is a schematic diagram of the assembly process of the immersed tube combined transport and installation equipment of the present invention;

In the above pictures: 1- Lifting beam, 11- Beam frame, 111- Connection end, 112- Lifting point, 12- Lifting component, 121- Hoist, 122- Rope, 2- Hull, 21- Pull knot, 3- Winch, 4- Floating body, 41- Floating tank, 5- Sinking tube.

Detailed ways

Hereinafter, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially combined in other embodiments without further recitation.

It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", "front", "rear" and the like indicate the orientation or position The relationship is based on the positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood to limit the present invention.

Example:

As shown in Figures 1 to 4, an immersed tube combined transport and installation equipment includes a floating floating body beam mechanism, two parallel hulls 2 and a winch 3 installed on the hull 2. The floating floating body The beam mechanism is provided with a traction point for connecting the cables of the winch 3; the floating floating body beam mechanism includes a lifting beam 1 and a floating body 4 with adjustable draft, and the lifting beam 1 includes detachable connections at both ends. The beam frames 11 of the two hulls 2 and the hoisting components 12 arranged between the two hulls 2 for hoisting the immersed tube 5 . Connecting end 111, the connecting end 111 is erected on the deck of the hull 2, the deck of the hull 2 is provided with a connecting part for connecting the connecting end 111, the hoisting assembly 12 is installed on the beam frame 11, so The floating body 4 is installed under the beam frame 11 to make the beam frame 11 float on the water surface.

The immersed tube transportation and installation process using the above-mentioned immersed tube combined transportation and installation equipment includes the following steps:

The hull is in place: the two parallel hulls 2 are moved to the specified equipment assembly position and then positioned. The hull 1 can be moved to the specified position by any conventional method, or can be positioned by any existing positioning method, such as The hull 2 can be moored and positioned by using the windlass to move to the designated position;

Equipment assembly: The cable of the winch 3 on the hull 2 is connected to the traction point of the floating floating body beam mechanism through the hook, and the winch 3 is started to drag the floating floating body beam mechanism to the preset between the two hulls 2. After the position, the draft of the floating body 4 is lowered to the point where the connecting end 111 of the beam frame 11 is lowered to contact with the deck of the hull 2, and the connecting end 111 and the hull 2 are detachably connected by connecting parts, that is, the sinking is completed. Pipe combined transport installation equipment assembly;

Immersed tube loading: start the hull 2 to drive the immersed tube combined transport and installation equipment to the position of the immersed tube 5, and use the hoisting assembly 12 to connect and hoist the immersed tube 5, that is, to complete the loading of the immersed tube 5;

Immersed tube transportation and installation: start the hull 2 to tow the immersed tube 5 to float the immersed tube 5 to the designated installation position, and then position the hull 2, and the immersed tube 5 sinks to the designated sinking position under the traction of the hoisting assembly 12 After that, the connection of the immersed pipe 5 and the hoisting assembly 12 is released, that is, the installation of the immersed pipe 5 is completed;

Equipment disassembly: Disassemble the connection between the connecting end 111 of the beam frame 11 and the connecting parts of the hull 2, so that the hull 2 and the floating floating body beam mechanism are separated, that is, the immersed tube combined type is completed. Transport installation equipment disassembled.

The immersed tube combined transport and installation equipment of the present embodiment has a simple structure, and the existing transport ship hull 2 is used as the main component, which can make full use of the existing construction ship, reduce equipment production costs, and further reduce construction costs. The above equipment and construction technology are used. , the equipment can be assembled and assembled into an integrated immersed tube 5 transportation equipment according to the construction requirements, which is convenient for the transportation and installation of the immersed tube 5. After the transportation and installation of the immersed tube 5 is completed, the integrated equipment can be flexibly disassembled into multiple The independent construction and dispatch of two transport ships and the floating floating body beam mechanism can improve the utilization rate of the equipment. At the same time, the dismantled equipment has lower requirements on the water depth and width of the channel during navigation, which is convenient for construction and deployment.

Specifically, the hull 2 can be set as a conventional transport vessel such as a square barge.

Specifically, the traction point may be a lifting point 112 provided on the beam frame 11 , and the traction points are at least two. Correspondingly, two hanging points 112 are set.

Specifically, the beam frame 11 is arranged perpendicular to the length direction of the hull 2 , and the connecting component is a tie point 21 provided on the deck of the hull 2 , and the tie point 21 can be connected and erected on the hull 2 . Connection end 111 above. The connection and disassembly of the connection end 111 and the hull 2 can be easily realized by connecting the connection end 111 and the tension node 21 by using the pull node 21 fixed on the deck of the hull 2 as the connecting component, so as to realize the convenient operation of the equipment. Combined assembly and disassembly facilitates the flexible use of equipment.

Specifically, the length of the connecting end is 0.5-1 m. The connecting end is set to an appropriate length, so as to ensure the stable connection between the hull 2 and the beam frame 11, to avoid the connecting end 111 extending from the beam frame 11 from being too long and affecting the shipping of the floating floating body beam mechanism.

Specifically, the floating body 4 includes a floating tank 41 provided with a ballast water tank, and the ballast water tank is provided with a water injection and drainage unit. The draught depth of the floating tank can be easily achieved through the water injection and drainage of the ballast water tank of the floating tank 41. The water injection and drainage unit is the ballast water tank, but the floating tank 41 sinks and the draft increases, and the injection and drainage unit is the ballast water. The tank is drained, but the floating tank 41 floats up and the draft decreases. The current floating tank 41 with adjustable ballast water volume can easily adjust the height of the lifting beam 1 above the floating tank 41 .

Specifically, the injection and drainage unit may include an injection and drainage port connected to the ballast water tank, the injection and drainage port is connected to a water pipe of a bidirectional water pump, and the other water pipe of the bidirectional water pump can be inserted into the water body where the floating tank 41 is located middle.

Specifically, there are two floating boxes 41 , the floating boxes 41 are arranged between the two hulls, and the two floating boxes 41 are symmetrically arranged on both sides of the immersed tube 5 .

Specifically, the pontoon 41 is a rectangular parallelepiped pontoon, and the length direction of the pontoon 41 is arranged parallel to the length direction of the hull 2 .

Specifically, the hoisting assembly 12 includes a cable lifting mechanism, and a hook is provided at the end of the cable 122 of the cable lifting mechanism, and the hook can be connected to a preset lifting point on the top of the immersed tube 5 .

Specifically, the cable lifting mechanism includes two hoists 121 that can lift cables in a vertical direction. The hoists 121 are symmetrically arranged on both sides of the vertical plane where the central axis of the immersed tube 5 is located, and the hoist 121 body is installed on the below the beam frame 11. The hoisting height of the immersed pipe can be raised and lowered through the retractable and unwinding rope of the hoist, which is convenient for the transportation and sinking of the immersed pipe.

Besides, other hoisting devices capable of adjusting the hoisting height of the immersed tube can also be used as the hoisting assembly 12 .

Specifically, a plurality of the floating floating body beam mechanisms are provided. Using multiple floating floating body beam mechanisms to hoist, transport and install the same section of immersed pipe at the same time can better ensure the stability of transportation and sinking operations.

Specifically, there are two floating floating body beam mechanisms, and the beam frames 11 of the two floating floating body beam mechanisms are arranged in parallel.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications to equivalent changes. The embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solutions of the present invention without departing from the content of the technical solutions of the present invention.

Claims (10)

1. a kind of immersed tube combination transport installs equipment, which is characterized in that including floatation type floating body beam mechanism, two set in parallel The hull set and the winch being mounted on the hull, the floatation type floating body beam mechanism are equipped with for connecting the winch rope The towing point of cable；The floatation type floating body beam mechanism includes lifting beam and the adjustable floating body of draft, and the lifting is horizontal Beam includes the cross beam frame that both ends are detachably connected two hulls respectively, and for lifting hanging for immersed tube between two hulls Arrangement, connecting pin of the both ends of the cross beam frame as the cross beam frame and the hull, the connecting pin rides upon ship On body deck, the deck in ship structure is equipped with the connecting component for connecting the connecting pin, and the hanging component is mounted on institute It states on cross beam frame, on the floating body is installed below the cross beam frame so that the cross beam frame bubbles through the water column.

2. immersed tube combination transport according to claim 1 installs equipment, which is characterized in that the cross beam frame is perpendicular to institute The setting of ship length direction is stated, the connecting component is the drawknot node in the deck in ship structure, and the drawknot node can tether The connecting pin square thereon is set up in connection.

3. immersed tube combination transport according to claim 2 installs equipment, which is characterized in that the length of the connecting pin is 0.5-1m。

4. immersed tube combination transport according to claim 1 installs equipment, which is characterized in that the floating body includes being equipped with pressure The buoyancy tank of water tank is carried, the ballast tank is equipped with water injection unit.

5. immersed tube combination transport according to claim 4 installs equipment, which is characterized in that the buoyancy tank is set as two, The buoyancy tank is set between two hulls, and two buoyancy tanks are symmetrically set in immersed tube two sides.

6. immersed tube combination transport according to claim 4 installs equipment, which is characterized in that the buoyancy tank is floating for cuboid Case, the length direction of the buoyancy tank are parallel to the ship length direction setting.

7. immersed tube combination transport according to claim 1 installs equipment, which is characterized in that the hanging component includes cable The cable end of rope elevating mechanism, the cable elevating mechanism is equipped with hook, and the hook can connect hanging for immersed tube top preset Point.

8. immersed tube combination transport according to claim 1 installs equipment, which is characterized in that the hawser elevating mechanism packet Include two can hoisting cable along the vertical direction hoist engine, the hoist engine is symmetrically set in perpendicular two where immersed tube central axes Side, the hoist engine ontology are mounted below the cross beam frame.

9. immersed tube combination transport according to claim 1 installs equipment, which is characterized in that the floatation type floating body crossbeam Mechanism is set as multiple.

10. a kind of immersed tube transportation installation method, which is characterized in that transported using the immersed tube combined type of any one of claims 1 to 9 Defeated installation equipment, comprising the following steps:

Hull is in place: two hulls disposed in parallel position after being moved to specified equipment assembled position；

Equipment assembling: the cable of the winch on hull connects the towing point of the floatation type floating body beam mechanism by hook, opens After dynamic winch moves to the predeterminated position between two hulls to drag the floatation type floating body beam mechanism strand, the floating body is lowered The connecting pin of draft to the cross beam frame is dropped to be contacted with deck in ship structure, removably connected by connecting component described in Connecting pin and hull complete the immersed tube combination transport installation equipment assembling；

Immersed tube loads: starting the hull to drive immersed tube combination transport installation equipment to reach immersed tube position, uses institute It states hanging component connection and slings immersed tube, is i.e. completion immersed tube loads；

Immersed tube transport installation: starting the hull traction immersed tube and position hull described after immersed tube transportation by driving to designated mounting position, After immersed tube sinks down into specified sinking position under the traction of the hanging component, the connection of immersed tube and the hanging component is released, Complete immersed tube installation；

Equipment disintegrate: release the connection between the connecting pin of the cross beam frame and the connecting component of the hull, make the hull with The floatation type floating body beam mechanism mutually separates, that is, completes the immersed tube combination transport installation equipment and decompose.