CN214146809U - Submarine pipeline lays pipe clamping mechanism - Google Patents

Abstract

The utility model provides a pipe clamping mechanism for laying submarine pipelines, which comprises a mechanism body for clamping a pipe body, wherein the mechanism body comprises a frame and a pipe body fixing device for fixing the pipe body; the pipe fixing device comprises a connecting rod, a connecting rod and a fixing block, the connecting rod is hinged to the connecting frame, the connecting rod is connected to the connecting rod, the fixing block is connected to the connecting rod, hoisting rings are arranged on two sides of the connecting rod and two sides of the fixing block respectively, and a hoisting belt for fixing a pipe is arranged on each hoisting ring. The utility model has the advantages of the impaired when reducing the collision during pipeline laying under water body, and the fixed body that can be reliable to convenient fixed and dismantlement body.

Description

Submarine pipeline lays pipe clamping mechanism

Technical Field

The utility model relates to a submarine pipeline lays equipment, concretely relates to submarine pipeline lays pipe clamping mechanism.

Background

In the laying and leveling construction of the offshore (river) immersed tube foundation, before the immersed tube is installed, the stone throwing and leveling are carried out in the excavated foundation trench, and then the prefabricated immersed tube is floated to the upper part of the foundation bed and is sunk and installed.

However, when the immersed tube is laid at the bottom of the water, if the immersed tube collides with an underwater foundation trench or a topographic structure, the immersed tube is likely to be damaged by rigid clamping of the immersed tube, and once the immersed tube is damaged, the immersed tube needs to be lifted back to the ship body again for replacing or repairing the immersed tube; it may also create an imperceptible risk to the sinking tube, which over time may develop insufficient strength or cracking. Therefore, the efficiency of immersed tube construction is reduced, and the construction cost is increased.

Disclosure of Invention

The utility model provides a submarine pipeline lays pipe clamping mechanism utilizes the utility model discloses a structure, fixed body that can be reliable to convenient fixed and dismantlement body.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a submarine pipeline lays pipe clamping mechanism, is including the mechanism body that is used for the centre gripping body, the mechanism body includes frame, link and the body fixing device who is used for fixed body, and the link is connected in the frame, and body fixing device connects on the link.

The pipe fixing device comprises a connecting rod, a connecting rod and a fixing block, the connecting rod is hinged to the connecting frame, the connecting rod is connected to the connecting rod, the fixing block is connected to the connecting rod, hoisting rings are arranged on two sides of the connecting rod and two sides of the fixing block respectively, and a hoisting belt for fixing a pipe is arranged on each hoisting ring.

Above setting up, body fixing device passes through the fixed body in hoist and mount area, like this, the fixed body that can be reliable to only binding or untie hoist and mount area can realize the fixed of body and place, consequently, the fixed of body is convenient with the dismantlement. If the body bumps with the foundation ditch or the topography structure under water, through hoist and mount area hoist and mount flexible fixed body, replace traditional rigid fixation with flexible fixed, the impaired possibility of body when can effectively reduce the collision is convenient for hoist and mount or release body simultaneously.

Furthermore, a coupling mechanism is arranged between the hoisting belts on each side of the connecting rod respectively, the coupling mechanism comprises a coupling rod and a universal coupling, the universal coupling is connected with the coupling rod, and two ends of the coupling mechanism are connected with the hoisting belts on one side of the connecting rod respectively. When the pipe body needs to be adjusted between the pipe body and the pipe body, the coupling mechanisms on the two sides of the adjusting connecting rod are respectively rotated, so that the pipe body rotates, the position of the pipe body is finely adjusted, and the pipe body are conveniently connected in an aligned mode.

Further, the fixed block lower extreme is equipped with elastic buffer. Like this, when producing the friction between fixed block and the body, elastic buffer can play the cushioning effect to the body.

Further, elastic buffer spare is in the arc that keeps away from one side of fixed block for matching with the body. Like this, the fixed body of elastic buffer spare laminating more, buffering effect is good.

Drawings

Fig. 1 is a side view of the apparatus body.

Fig. 2 is a schematic front view of the apparatus body.

Fig. 3 is a schematic top view of the apparatus body.

Fig. 4 is a schematic top view of the apparatus body for adjusting the position of the pipe.

Fig. 5 is a partially enlarged schematic view of a portion a of fig. 1.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 2.

Fig. 7 is a partially enlarged schematic view of C in fig. 3.

Fig. 8 is a schematic side view of the first blanking of the pipe body installed on the apparatus body.

Fig. 9 is a schematic side view of the apparatus body for secondary blanking.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 9, in the present embodiment, a submarine pipeline laying device includes a device body 1 and a pipe body 2 for being installed on a preset foundation trench 3, where the device body 1 includes a mechanism body, a lower bin 12 and a lower locking device 14, and the mechanism body includes a frame 11 and a pipe body connecting device 13.

The frame 11 includes longitudinal beams 111, and the longitudinal beams 111 are disposed along the length direction of the frame, and in this embodiment, two longitudinal beams 111 are disposed. The lower bin 12 is arranged on the rack 11 in a sliding mode, the pipe connecting device 13 is arranged on the rack 11, the lower locking device 14 is connected to the lower end of the lower bin 12 and located on two sides of the pipe connecting device 13, and the pipe connecting device 13 is used for fixing the pipe 2 and adjusting the position of the pipe 2.

Be equipped with unloading slider 121 on the feed bin 12 down, one side of unloading slider 121 is connected with actuating mechanism, be equipped with the guide rail 110 that extends along length direction on the both sides of frame 11, unloading slider 121 sliding connection guide rail 110, feed bin 12 passes through unloading slider 121 sliding connection on frame 11 down.

The pipe connecting device 13 includes a connecting member 131 and a pipe fixing device 132, the connecting member 131 is disposed on the frame 11, and the pipe fixing device 132 is connected to the connecting member 131.

According to the arrangement, the pipe body is fixed below the rack through the pipe body connecting device by the equipment body, the equipment body is moved to the preset base groove, the blanking bin and the blanking locking device slide along the rack to perform primary blanking, broken stones in the blanking bin are laid on the base groove along two sides of the pipe body, and the pipe body fixing device is adjusted through the driving connecting piece, so that the position of the pipe body is adjusted, and the purpose of adjusting the position and the angle of the pipe body is achieved; then the pipe body is released between the crushed stones on the two sides by the pipe body fixing device, then the blanking locking device carries out secondary blanking, the crushed stones in the blanking bin are laid on the two sides of the pipe body, and the locking of the pipe body is completed.

As shown in fig. 1, the lower silo 12 includes a body 121a and an extension pipe 122a extending downward from two sides of the body, and the body has a cavity 123a therein, and a material dividing portion 124a is provided in the middle of the cavity.

The connector 131 includes a beam 1310, a fore-aft adjustment hydraulic cylinder 1313, an adjustment hydraulic cylinder 1311, a sliding portion 1312, and a rotation mechanism 1314.

The cross beam 1310 is arranged along the width direction of the rack 4, the cross beam 1310 is provided with more than two, as shown in fig. 5, the inner side of each longitudinal beam 111 is provided with supporting legs with the same number as the cross beam, the supporting legs at the corresponding positions in the width direction on the two longitudinal beams form a supporting leg group, the supporting legs comprise lower supporting legs 113 and upper supporting legs 114, the lower supporting legs 113 and the upper supporting legs 114 are respectively welded on the longitudinal beams 111, a sliding space is formed between the lower supporting legs 113 and the upper supporting legs 114, the end part of the cross beam 1310 is slidably inserted into the sliding space, lower wear pads 115 are supported on the cross beam 1310 and the lower supporting legs 113, and side wear pads 116 are arranged between the end surface of the cross beam 1310 and the longitudinal beams 111.

The cylinder body of the front and rear adjusting hydraulic cylinder 1313 is hinged on the frame 11, the piston rod of the front and rear adjusting hydraulic cylinder 1313 is hinged on the cross beam 1310, in this embodiment, two front and rear adjusting hydraulic cylinders 1313 are provided, and all are located at one end of the frame.

The beam 1310 is provided with a through hole 13101.

As shown in fig. 1 and 5, the adjusting hydraulic cylinder 1311 is disposed transversely, the adjusting hydraulic cylinder 1311 is hinged to the frame 11, the sliding portion 1312 is slidably disposed on the cross beam 1310, and a piston rod of the adjusting hydraulic cylinder 1311 is hinged to the sliding portion 1312. In the present embodiment, the sliding part 1312 is a sliding plate having a size larger than that of the through hole, so that the sliding part 1312 does not fall into the through hole 13101 while moving with respect to the cross member.

As shown in fig. 1 and 5, the slide portion 1312 is provided with a rotation mechanism 1314. The rotary mechanism 1314 includes a bearing block 13141, a bearing 13142, a bearing cap 13143, and a rotary shaft 13144. Bearing block 13141 is mounted on slide 1312, bearing 13142 is mounted in bearing block 13141, bearing cap 13143 is mounted on bearing block 13142, and rotating shaft 13144 is mounted on bearing block 13142 and passes through bearing block and through hole 13101, with gap 13145 between through hole 13101 and rotating shaft 13144, which gap 13145 is greater than the space through which rotating shaft 13144 moves. In this embodiment, the bearing is an inverted tapered roller bearing, the rotating shaft 13144 includes a blocking portion 131441, a first step shaft 131442 and a second step shaft 131443 which are sequentially connected from top to bottom and have sequentially reduced diameters, the blocking portion 131441 is located above the bearing 13142, an inner ring of the bearing 13142 blocks the blocking portion 131441, the second step shaft 131442 is located inside the bearing inner ring and the bearing seat, and a shaft sleeve 13145 is arranged between the inner ring of the bearing 131442 and the second step shaft 131442 to prevent the rotating shaft and the bearing from contacting with each other, so as to protect the bearing. A sealing ring 13145 is provided between the bearing seat and the bearing end cap to improve sealing performance.

As shown in fig. 3 to 5, the tube fixing device 132 includes a connecting rod 1320, a connecting rod 1321 and a fixing block 1322, the connecting rod 1320 is hinged to the rotating shaft, the connecting rod 1321 is fixed to the connecting rod 1320, the fixing block 1322 is fixedly connected to the connecting rod 1321, at least two fixing blocks 1322 are provided, two hoisting rings 13221 are respectively provided at two sides of the connecting rod 1321 and the fixing block 1322, in this embodiment, at least two hoisting rings 13221 are installed at each side of the fixing block 1322, at least two hoisting rings 13221 are provided at each side of the connecting rod 1321, a hoisting belt 13222 for fixing a tube is provided on the hoisting ring 13221, a coupling mechanism 13211 is respectively provided between the hoisting belts 13221 at the same side of the connecting rod 1321, as shown in fig. 6, the coupling mechanism includes a coupling rod 132111 and a universal coupling 132112, the universal coupling rods 132111 are connected between the universal couplings 132112, and the tube connecting device fixes a tube through the hoisting belts, when being driven by the connecting piece, when the topography structure or the rubble of body and the interior of basic groove bump, through hoist and mount area hoist and mount flexible fixed body, replace flexible fixed with traditional rigid fixation, the impaired possibility of body when can effectively reducing the collision is convenient for hoist and mount simultaneously or release body.

The lower end of the fixing block 1322 is provided with an elastic buffer component 13223, and one side of the elastic buffer component 13223 close to the pipe body is in an arc shape matched with the pipe body. Like this, when producing between fixed block and the body and extrude the extrusion, curved elastic buffer can play the cushioning effect to the body.

The guide rail 110 is arranged at the top of the frame 11, and the guide rail 110 is a T-shaped guide rail; the blanking sliding device 121 includes a blanking carriage 1211 and a blanking wheel set 1212, the blanking bin 12 is fixed on the blanking carriage 1211, and the blanking wheel set 1212 is disposed at two sides of the blanking carriage 1211 and slidably connected to the guide rail 110. Therefore, the discharging bin can slide on the frame through the discharging sliding device, and stone can be laid conveniently.

As shown in fig. 5, the discharging wheel set 1212 includes a discharging wheel seat 12120, a discharging lower limit pulley 12121, a discharging side pulley 12122 and a discharging main wheel 12123, the discharging wheel set 1212 is connected to the discharging carriage 1211 through the discharging wheel seat 12120, and the discharging lower limit pulley 12121, the discharging side pulley 12122 and the discharging main wheel 12123 are respectively disposed on the discharging wheel seat 12120; the lower blanking limiting pulleys 12121 are slidably connected with the bottom of the upper end of the T-shaped guide rail, two blanking side pulleys 12122 are arranged, the blanking side pulleys 12122 are clamped and slidably connected with two sides of the top of the T-shaped guide rail, and the main blanking wheel 12123 is arranged on the top of the T-shaped guide rail; the driving mechanism is arranged on the blanking wheel seat 12120 and drives the blanking main wheel 12123, and the driving mechanism is a motor; the T-shaped guide rail is also provided with a second T-shaped guide rail 1111, the blanking main wheel 12123 is a rail wheel, the blanking main wheel 12123 is connected to the second T-shaped guide rail 1111 in a sliding manner, and when the motor drives the blanking main wheel to drive the blanking bin to move, the blanking sliding device can bear the blanking bin to slide on the rack stably, and the blanking wheel set is connected to the T-shaped guide rail in a clamping and sliding manner; in addition, the main wheel of the blanking slave is a rail wheel which is matched with a second T-shaped guide rail on the T-shaped guide rail, so that the guide effect is achieved, and the stability of the blanking sliding device during sliding is improved.

As shown in fig. 1 and 6, the discharging locking device 14 includes a discharging tube 141 and a high-pressure water gun 142, a tube opening at one end of the discharging tube 141 is hinged to the discharging bin 12, an outer side of the specific discharging tube 141 is hinged to the discharging bin, the other side of the discharging tube 141 is connected to the discharging bin 12 through a pin shaft, a tube opening at the other end of the discharging tube 141 is arranged in a direction close to the tube fixing device 13, the high-pressure water gun 142 is arranged at one side of the tube opening of the discharging tube 141, one end of the discharging tube 141, which is far away from the discharging bin 12, is bent in a direction close to another discharging tube, the stones in the discharging bin are discharged from the tube opening of the discharging tube, and the high-pressure water gun arranged at one side of the tube opening of the discharging tube pushes the stones in a direction of the tube, so that the stones are accurately laid on two sides of the tube, the usage amount of the locked stones is reduced, and the locking effect is good.

Frame 11 bottom is equipped with extension 110a that extends downwards, the both ends of frame 11 are equipped with movable supporting legs 15 respectively, movable supporting legs 15 include the flexible foot more than two sections, adjacent flexible foot activity cup joints, is equipped with flexible pneumatic cylinder between the adjacent flexible foot, the flexible foot of topmost is fixed in the frame, like this, then can let movable supporting legs stretch out and draw back through the flexible pneumatic cylinder 151 of control, realizes the effect of regulation. A swing adjusting hydraulic cylinder 16 is hinged on the blanking bin 12, and a piston rod of the swing adjusting hydraulic cylinder 16 is hinged on the blanking pipe. Therefore, when the pipe body is fixed on the pipe body connecting device through the equipment body, the feeding pipe can be driven to rotate and open by the aid of the pin shaft which is pulled out through the swinging adjusting hydraulic cylinder, the pipe body is convenient to fix, and interference is avoided.

Due to the arrangement of the telescopic hydraulic cylinder. Like this, when carrying out the unloading for the second time, the equipment body supports on the rubble of unloading for the first time through the movable supporting legs, adjusts the height of movable supporting legs through flexible pneumatic cylinder, can adjust equipment body position more accurately.

And a GPS positioning system is arranged on the equipment body 1. Therefore, the plane position of the equipment body is confirmed through the GPS, and the accuracy of the equipment body in the process of installing the pipe body can be improved.

And measuring frames 16 are arranged at two ends of the machine frame 11, so that the underwater depth of the equipment body can be intuitively known.

The working principle of the submarine pipeline laying equipment is as follows: firstly, the lower end of the blanking pipe 141 swings outwards by using the adjusting hydraulic cylinder 16, and the pipe body is bound on the fixed block 132 through a hoisting belt 13221; then, hoisting the submarine pipeline laying equipment bound with the pipe body 2 to a position on the seabed where a base groove is pre-opened by a crane arranged on a ship, and adjusting the height of the movable supporting leg by a telescopic hydraulic cylinder 151; the feeding pipe 100 connected with the ship body is used for feeding materials to the lower material bin 12, stones falling into the lower material bin 12 are divided into two paths under the action of the material dividing part 124a and respectively enter the lower material pipe 141 and fall into the foundation trench to realize stone material laying, in the laying process, the lower material sliding device 121 is driven by the driving mechanism, the lower material bin and the lower material pipe are driven by the lower material sliding device 121 to move along the length direction of the rack, the continuous laying is realized, and the feeding is stopped after the laying is finished; then the position of the pipe body is adjusted, and the specific adjusting method comprises the following steps: if the front and back direction of the pipe body needs to be adjusted, the front and back adjusting hydraulic cylinder 1313 is started, and the front and back adjusting hydraulic cylinder 1313 drives the connecting piece 131 and the pipe body fixing device 132 to move front and back to achieve the purpose of adjusting the front and back position of the pipe body; if the height of the pipe body needs to be adjusted, the movable supporting legs are adjusted through the telescopic hydraulic cylinder 151 to achieve adjustment; when the adjustment of the swing angle of the pipe body is required, the adjustment cylinder 1311 is actuated, the slide portion 1312 slides on the cross member, and since there is a gap between the rotary shaft 13144 and the through hole, the rotary shaft rotates without interference in the sliding of the slide portion 1312, and fine adjustment of the angle is achieved.

When the position of the pipe body 2 is adjusted, the hoisting belt 13222 is loosened, and the pipe body enters the foundation pit 3 paved with stones.

Then, the feeding pipe 100 connected with the ship body is used for feeding materials to the lower material bin 12, stones falling into the lower material bin 12 are divided into two paths under the action of the material distributing part 124a and respectively enter the lower material pipe 141 and fall into two sides of the pipe body, the stones are impacted by a high-pressure water gun to be tightly locked into two sides of the pipe body, in the locking process, the lower material sliding device 121 is driven by the driving mechanism, the lower material bin and the lower material pipe are driven by the lower material sliding device 121 to move along the length direction of the rack, continuous locking is achieved, and feeding is stopped after locking is completed.

After the process is completed, the submarine pipeline laying equipment is hoisted by using the crane to lay other pipe bodies by using the process.

Claims (4)

1. The utility model provides a submarine pipeline lays pipe clamping mechanism, is including the mechanism body that is used for the centre gripping body, its characterized in that: the mechanism body comprises a rack, a connecting frame and a pipe body fixing device for fixing a pipe body, wherein the connecting frame is connected to the rack, and the pipe body fixing device is connected to the connecting frame;

the pipe fixing device comprises a connecting rod, a connecting rod and a fixing block, the connecting rod is hinged to the connecting frame, the connecting rod is connected to the connecting rod, the fixing block is connected to the connecting rod, hoisting rings are arranged on two sides of the connecting rod and two sides of the fixing block respectively, and a hoisting belt for fixing a pipe is arranged on each hoisting ring.

2. The subsea pipeline laying pipe clamping mechanism of claim 1, wherein: coupling mechanisms are respectively arranged between the hoisting belts on each side of the connecting rod and comprise coupling rods and universal couplings, the universal couplings are connected through the coupling rods, and two ends of each coupling mechanism are respectively connected with the hoisting belts on one side of the connecting rod.

3. The subsea pipeline laying pipe clamping mechanism of claim 1, wherein: the fixed block lower extreme is equipped with elastic buffer.

4. The subsea pipeline laying pipe clamping mechanism of claim 3, wherein: elastic buffer spare is in the arc of keeping away from one side of fixed block for matching with the body.

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