CN213682207U - Underwater pulling-closing construction device for submarine immersed tube - Google Patents

Abstract

The utility model discloses a submarine immersed tube draws closed construction equipment under water belongs to submarine immersed tube installation technical field, and its technical essential draws closed the unit including the initiative, and the initiative is drawn closed the unit the inside and is drawn closed structure, main turning block, vertical adjustment hydro-cylinder, initiative pull rod, elevation adjusting screw and first spring round pin axle group including drawing closed the hydro-cylinder, initiative and is formed, the initiative is drawn closed the bottom of unit and is set up and remain the installation immersed tube, the top fixed mounting who treats the installation immersed tube has first to be drawn the post, the initiative is drawn closed the unit and is installed on waiting to install the first system of immersed tube and is drawn the post, the drawing of initiative drawing closed the unit is drawn the binding face of stress face and first system of drawing the post and is adopted circular arc piece design. The utility model discloses a initiatively draw to close the unit and draw the mode of closing the automatic butt joint of unit passively, can accomplish the automatic work that draws to close the unit, effectively solved and drawn the automatic connection who closes equipment under water, the intellectuality draws to close, and pulling force and position are accurate controllable, have effectively reduced diver's underwater operation, improve the stability and the efficiency of work.

Description

Underwater pulling-closing construction device for submarine immersed tube

Technical Field

The utility model belongs to the technical field of the installation of submarine immersed tube, concretely relates to submarine immersed tube draws under water and closes construction equipment.

Background

The immersed tube construction and installation process of the submarine tunnel comprises the steps of dragging and floating to an installation point through a barge to be immersed and installed after the immersed tube is prefabricated. After the immersed tube is initially set to be immersed, the underwater pulling-closing mechanism arranged on the mooring column is used for carrying out accurate underwater pulling-closing operation on the immersed tube to be installed, and the initial pressing of the mounted immersed tube and the GINA ring of the immersed tube to be installed is completed, so that the hydraulic compression joint and the butt joint of the immersed tube are realized.

In actual operation, the operating environment is 40m below, underwater visibility is poor, the operating efficiency and the operating time of divers are greatly reduced, the underwater tension force required by a large immersed tube is larger, the volume and the weight of equipment are larger, and underwater artificial butt joint of the pulling and jointing equipment is very difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a submarine immersed tube draws under water and closes construction equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: submarine immersed tube draws to close construction equipment under water, it includes:

(1) the active pulling-closing unit comprises a pulling-closing oil cylinder, an active pulling-closing structural member, a main rotating block, a vertical adjusting oil cylinder, an active pull rod, an elevation adjusting screw and a first anti-bounce pin shaft, the bottom of the active pulling-closing unit is provided with a to-be-installed immersed tube, the top of the to-be-installed immersed tube is fixedly provided with a first mooring column, the active pulling-closing unit is arranged on a first series cable column of the immersed tube to be installed, the pulling-closing stress surface of the active pulling-closing unit and the binding surface of the first series cable column adopt the design of an arc block, the first cable tying column is provided with a reverse hook plate, the first anti-bouncing pin shaft on the active pulling-closing unit is arranged under the reverse hook plate of the first cable tying column, the pull-in oil cylinders are connected with the main rotating block in a mode of connecting through bolt shafts, and the main rotating block is provided with two horizontal extending shafts which are respectively connected with the two pull-in oil cylinders.

(2) Passively draw and close the unit, passively draw and close the unit and include passively draw the structure, by turning block, passive drag hook, elevation adjusting screw, second prevent the spring round pin axle and constitute, the bottom of passively drawing the unit is provided with the heavy pipe of installation, the top fixed mounting who installs the heavy pipe has the second to be drawn the post, passively draw the unit to install on the second that has installed the heavy pipe is drawn the post, the drawing of passively drawing the unit closes the binding face that the column was drawn to stress face and second adopts the circular arc piece design, the second is drawn post and passive drawing structure fixed connection.

Preferably, the active pulling-closing unit and the passive pulling-closing unit can complete automatic butt joint, and the distance between the active pulling-closing unit and the passive pulling-closing unit is adjustable.

Preferably, the main rotating block and the rotated block can be in the dislocation direction when the immersed tube to be installed and the immersed tube installed are butted.

Preferably, the elevation adjusting nut and the elevation adjusting screw can be leveled according to unevenness of the surface of the immersed tube to be installed and the surface of the installed immersed tube.

Preferably, the elevation adjusting nut adopts stainless steel anti-corrosion measures.

Preferably, the first anti-bounce pin shaft and the second anti-bounce pin shaft are used for ensuring that the active pulling-in unit and the passive pulling-in unit are respectively and safely locked on the first cable-tying column and the second cable-tying column during pulling-in operation.

Preferably, the number of the active pulling-closing oil cylinders is two.

Preferably, a GINA ring is arranged on one side of the installed immersed tube opposite to the immersed tube to be installed, and the GINA ring is fixedly connected with the surface of the immersed tube to be installed.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a pair of seabed draws to close under water and executes device reaches adopts the initiative to draw to close the unit and draws the mode that closes the automatic butt joint of unit passively, can accomplish and draw the automatic work who closes the unit.

(2) The utility model discloses can realize the accurate control of power and displacement, effectively reduce constructor's under water work load, improve work efficiency, safe and reliable.

(3) The utility model discloses when adjustment level or vertical deviation, adopt elevation adjusting screw to compare, convenient and fast more.

(4) The utility model discloses structurally adopted the design of peridium formula, whole equipment does not have the closed angle, avoids cutting under water and bumps cable and wire rope, promotes safe effect.

(5) The utility model discloses there is a shellproof jump device in drawing to close structurally, has replaced the spiral before and has twisted into, simple to operate, and it is also convenient to draw to close to demolish after finishing.

(6) The utility model discloses increased angle sensor there at vertical adjustment hydro-cylinder, can judge through the displacement dual mode of angle and vertical hydro-cylinder that the initiative is drawn and is closed the unit and draw passively and close the unit overlap joint whether smooth.

(7) The utility model discloses increase and have horizontal angle sensor, can judge the horizontal deflection angle condition when drawing to close.

(8) The utility model provides a control system adopts the redundant design, except the master control, any one substation also can be set for the main website and do and draw and the mechanism uses.

(9) The pump station in the utility model also adopts the redundant design, and when any pump station is out of order, in addition-a pump station can control two and draw and close the mechanism and use.

(10) The utility model provides a system adopts frequency conversion control in step, can realize stepless speed regulation, satisfies various motion operating mode and uses, what adopted before was the constant velocity mode.

Drawings

Fig. 1 is a top view of the underwater pulling-closing device of the present invention;

fig. 2 is an isometric view of the underwater pulling device of the present invention;

FIG. 3 is a schematic diagram of the sinking pipe to be installed of the present invention being primarily sunk in place;

fig. 4 is a schematic view of the drawing oil cylinder of the utility model extending out;

FIG. 5 is a schematic view of the active draw bar and the drag hook of the present invention;

fig. 6 is a schematic view of the underwater pulling-closing device of the present invention after the pulling-closing is completed;

FIG. 7 is a schematic view of the underwater pull-close device of the present invention when there is a vertical deviation;

fig. 8 is a schematic view of the underwater pulling-closing device of the present invention when the horizontal deviation exists.

In the figure: 10. an active pull-in unit; 101. closing the oil cylinder; 102. actively pulling and closing the structural part; 103. a main turning block; 104. a vertical adjusting oil cylinder; 105. an active pull rod; 106. a first anti-bounce pin shaft; 107. an elevation adjusting screw; 20. a passive pull-in unit; 201. passively pulling and closing the structural part; 202. a rotated block; 203. a passive drag hook; 204. an elevation adjusting screw; 205. a second bounce-proof pin shaft; 30. the immersed tube is to be installed; 301. a first tie cable column; 40. the immersed tube is installed; 401. a second series of cable posts; 50. the GINA circle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

Referring to fig. 1 to 8, the present invention provides an underwater pull-closing construction device for a submarine immersed tube, comprising:

(1) the active pulling-closing unit 10 comprises a pulling-closing oil cylinder 101, an active pulling-closing structural member 102 and a main rotating block 103 in the active pulling-closing unit 10, the vertical adjusting oil cylinder 104, the driving pull rod 105, the elevation adjusting screw 107 and the first anti-bounce pin shaft 106 are arranged, the bottom of the driving pulling-closing unit 10 is provided with a immersed tube 30 to be installed, the top of the immersed tube 30 to be installed is fixedly provided with a first series of columns 301, the driving pulling-closing unit 10 is installed on the first series of columns 301 of the immersed tube 30 to be installed, the pulling-closing stress surface of the driving pulling-closing unit 10 and the binding surface of the first series of columns 301 are designed by arc blocks, the first series of columns 301 are provided with reverse hook plates, the first anti-bounce pin shaft 106 on the driving pulling-closing unit 10 is arranged under the reverse hook plates of the first series of columns 301, the pulling-closing oil cylinder 101 is connected with the main rotating block 103 in a bolt shaft connection mode, and the main rotating block 103 is provided with two horizontal extending shafts which are respectively connected with the two pulling-closing oil cylinders 101.

(2) The passive pulling-closing unit 20 comprises a passive pulling-closing structural member 201, a rotated block 202, a passive pulling hook 203, an elevation adjusting nut 204 and a second anti-bouncing pin shaft 205, wherein the bottom of the passive pulling-closing unit 20 is provided with an installed immersed tube 40, the top of the installed immersed tube 40 is fixedly provided with a second series of holding columns 401, the passive pulling-closing unit 20 is installed on the second series of holding columns 401 of the installed immersed tube 40, the pulling-closing force surface of the passive pulling-closing unit 20 and the binding surface of the second series of holding columns 401 adopt an arc block design, and the second series of holding columns 401 are fixedly connected with the passive pulling-closing structural member 201.

The utility model discloses in, preferred, the initiative is drawn and is closed unit 10 and is drawn and close unit 20 passively and can accomplish automatic butt joint, and the initiative is drawn and is closed unit 10 and draw passively and close the distance between unit 20 adjustable.

The utility model discloses in, preferred, main turning block 103 with by turning block 202 all can be according to waiting to install the dislocation direction when immersed tube 30, installed immersed tube 40 dock, accomplish automatically that the initiative is drawn and is closed unit 10 and draw a line of atress of closing unit 20 passively.

The utility model discloses in, preferred, elevation adjusting nut 204 and elevation adjusting screw 107 can come the leveling according to waiting to install immersed tube 30, the unevenness on installed immersed tube 40 surface, can adjust the initiative and draw the elevation of closing unit 10 or drawing unit 20 passively.

The utility model discloses in, it is preferred, elevation adjusting nut 204 adopts stainless steel anti-corrosion measures, guarantees the stability of long-term use.

The utility model discloses in, preferred, first prevent that spring round pin axle 106 and second prevent that spring round pin axle 205 all is used for guaranteeing to draw when closing the operation, initiatively draw to close unit 10 and draw passively to close unit 20 and lock safely respectively in first system to be drawn on post 301 and second system are drawn post 401.

The utility model discloses in, preferred, the initiative is drawn and is closed unit 10, is drawn and is closed unit 20 respectively two passively, and an initiative is drawn and is closed unit 10 and have two to draw and close hydro-cylinder 101, and it sets up the purpose and increases and draws and close the power, reduces the initiative and draws the height that closes unit 10.

The utility model discloses in, preferred, the immersed tube 40 has been installed and the one side that the immersed tube 30 is relative is treated to install is provided with the GINA circle 50, and GINA circle 50 is connected with the fixed surface who treats installation immersed tube 30.

Furthermore, displacement sensors are installed at the connecting parts of the two pulling-closing oil cylinders 101 and the active pulling-closing structural member 102 of the active pulling-closing unit 10, and the two pulling-closing oil cylinders are used for one use and one standby in field.

The utility model provides a submarine immersed tube draws to close construction equipment under water carries out the construction installation according to following step:

s1, the immersed tube 30 to be installed is disposed at the portion to be connected of the installed immersed tube 40, and the GINA ring 50 is disposed at the side of the immersed tube 30 to be installed opposite to the installed immersed tube 40.

S2, fixing the surface of the first series of columns 301 on the top of the immersed tube 30 to be installed with the active pulling unit 10, fixing the second series of columns 401 on the top of the installed immersed tube 40 with the passive pulling unit 20, connecting the pulling oil cylinder 101 with the main rotating block 103 in a pin shaft connection mode, and connecting two horizontal extending shafts of the main rotating block 103 with the two pulling oil cylinders 101 respectively.

And S3, connecting the main rotating block 103 with the active pulling-closing structural member 102 by adopting a vertical pin shaft connection mode.

S4, after the driving pull rod 105 and the pulling-in oil cylinder 101 are connected through threads, the driving pull rod 105 is rigidly and fixedly connected together, and the two pulling-in oil cylinders 101 can swing up and down and left and right simultaneously.

And S5, the vertical adjusting oil cylinder 104 and the pull-in oil cylinder 101 are connected in a hinged mode, and the pull-in oil cylinder 101 and the driving pull rod 105 can be driven to swing up and down around the main rotating block 103 by extending and retracting the vertical adjusting oil cylinder 104.

And S6, mounting the elevation adjusting screw 107 on the active pull-in structural member 102 through threads, and adjusting the unevenness of the surface of the immersed tube and the overall elevation.

And S7, the passive drag hook 203 is connected with the rotated block 202 in a mode of horizontal pin connection, and the horizontal shaft can realize the rotation in the vertical direction. Meanwhile, the rotated block 202 and the passive pull-in structural member 201 are connected in a vertical pin shaft connection mode, and rotation in the horizontal direction can be achieved.

And S8, the elevation adjusting nut 204 is installed on the passive pull-in structural member 201 through threads and is used for adjusting the unevenness of the surface of the immersed tube and the adjustment of the overall elevation.

And S9, after the immersed tube 30 is initially immersed in place, the pull-close oil cylinder 101 on the active pull-close unit 10 extends out, and the active pull rod 105 is installed on the piston rod of the pull-close oil cylinder 101 and can extend out along with the pull-close oil cylinder 101.

S10, the vertical adjusting oil cylinder 104 extends out, the driving pull rod 105 and the pulling and closing oil cylinder 101 swing downwards together, and the driving pull rod 105 on the driving pulling and closing unit 10 falls on the driven pulling hook 203 on the driven pulling and closing unit 20.

And S11, the pulling-closing oil cylinder 101 is given a certain initial force to perform pre-pulling-closing, the force can eliminate the physical gap between the active pulling-closing unit 10 and the passive pulling-closing unit 20, but the active pulling-closing unit 10 and the passive pulling-closing unit 20 are tensioned, but displacement is not generated.

And S12, performing closed-loop pulling operation on the position by the pulling oil cylinder 101 on the active pulling unit 10 according to the feedback value of the displacement sensor arranged in the pulling oil cylinder, and driving the immersed tube 30 to be installed to move towards the installed immersed tube 40 until the GINA ring 50 is initially pulled.

And S13, the pulling oil cylinder 101 on the active pulling unit 10 performs pulling operation of force closed loop according to the feedback value of the pressure sensor installed on the pulling oil cylinder, and drives the immersed tube 30 to be installed to move towards the installed immersed tube 40 by matching with external hydraulic pressure connection until the GINA ring 50 is pressed to a set compression amount.

S14, the first anti-bounce pin 106 and the second anti-bounce pin 205 are installed at the designated positions for positioning.

And S15, after the operations S1-S14 are completed, checking all the completed connecting structures again, and finishing the alignment of the immersed tube 30 to be installed.

Claims (8)

1. Submarine immersed tube draws closes construction equipment under water which characterized in that includes:

(1) the active pulling-closing unit comprises a pulling-closing oil cylinder, an active pulling-closing structural member, a main rotating block, a vertical adjusting oil cylinder, an active pull rod, an elevation adjusting nut and a first bounce-proof pin shaft, the bottom of the active pulling-closing unit is provided with a to-be-installed immersed tube, the top of the to-be-installed immersed tube is fixedly provided with a first mooring column, the active pulling-closing unit is arranged on a first series cable column of the immersed tube to be installed, the pulling-closing stress surface of the active pulling-closing unit and the binding surface of the first series cable column adopt the design of an arc block, the first cable tying column is provided with a reverse hook plate, the first anti-bouncing pin shaft on the active pulling-closing unit is arranged under the reverse hook plate of the first cable tying column, the pull-in oil cylinders are connected with the main rotating block in a bolt shaft connection mode, and the main rotating block is provided with two horizontal extending shafts which are respectively connected with the two pull-in oil cylinders;

(2) passively draw and close the unit, passively draw and close the unit and include passively draw and close the structure, by turning block, passive drag hook, elevation adjusting screw, second prevent the spring round pin axle, the bottom of passively drawing and closing the unit is provided with the immersed tube of installation, the top fixed mounting who installs the immersed tube has the second to be drawn the post, passively draw and close the unit and install on the second that has installed the immersed tube is drawn the post, the laminating face that the forced face and the second that the post were drawn to the unit that draws passively draw adopts circular arc piece design, the second is drawn post and passively draws and closes structure fixed connection.

2. The underwater pulling-closing construction device for the submarine immersed tube according to claim 1, wherein the active pulling-closing unit and the passive pulling-closing unit can be automatically butted, and the distance between the active pulling-closing unit and the passive pulling-closing unit is adjustable.

3. The underwater pulling-closing construction device for the submarine immersed tube according to claim 1, wherein the main rotating block and the rotated block can automatically complete a line of stress of the active pulling-closing unit and the passive pulling-closing unit according to the dislocation direction when the immersed tube to be installed and the installed immersed tube are butted.

4. The underwater pulling-in construction device for the submarine immersed tube according to claim 1, wherein the elevation adjusting nut and the elevation adjusting screw can be leveled according to unevenness of the surface of the immersed tube to be installed and the surface of the installed immersed tube, and the elevation of the active pulling-in unit or the passive pulling-in unit can be adjusted.

5. The underwater pull-in construction device for the submarine immersed tube according to claim 1, wherein the elevation adjusting nut adopts stainless steel anti-corrosion measures to ensure the stability of long-term use.

6. The underwater submarine immersed tube pulling-in construction device according to claim 1, wherein the first anti-bounce pin shaft and the second anti-bounce pin shaft are used for ensuring that the active pulling-in unit and the passive pulling-in unit are respectively and safely locked on the first cable-tying column and the second cable-tying column during pulling-in operation.

7. The underwater pulling-closing construction device for the submarine immersed tube according to claim 1, wherein the number of the active pulling-closing units and the number of the passive pulling-closing units are two, and one active pulling-closing unit has two pulling-closing cylinders.

8. The underwater pulling-together construction device for the submarine immersed tube according to claim 1, wherein a GINA ring is arranged on one side of the installed immersed tube opposite to the immersed tube to be installed, and the GINA ring is fixedly connected with the surface of the immersed tube to be installed.

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