CN113441883A

CN113441883A - Water workbench for immersed tube welding

Info

Publication number: CN113441883A
Application number: CN202110863745.0A
Authority: CN
Inventors: 李敬华; 赵红平
Original assignee: Guangdong Huakun Construction Group Co ltd
Current assignee: Guangdong Huakun Construction Group Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-09-28
Anticipated expiration: 2041-07-29
Also published as: CN113441883B

Abstract

The invention provides an underwater workbench for welding immersed tubes, which comprises a support box with an open bottom, wherein an inflatable bag is arranged in the support box, and a grid plate for blocking the inflatable bag is arranged at the bottom of the support box; a plurality of first pulleys are arranged on the bottom surface of the supporting box; two first clamping grooves are fixedly formed in the top surface of the supporting box, a first supporting block and a second supporting block are arranged on the first clamping grooves in a sliding mode, arc-shaped grooves are formed in the sides, close to the first supporting block and the second supporting block, of the first supporting block and the second supporting block, the first supporting block and the second supporting block slide along the first clamping grooves and are locked through locking knobs; a first traction rope and a second traction rope are respectively arranged on the wall surfaces of the first supporting block and the second supporting block which are far away from each other; the device has a novel structure, can be used for supporting the immersed tube, can move on the land in an auxiliary way, and is convenient for the movement of the pipeline; can provide support buoyancy in the river course, the long pipeline of being convenient for is drawn toward the river course position, occupies the river course position and is under construction, alleviates river bank construction space's pressure.

Description

Water workbench for immersed tube welding

Technical Field

The invention relates to the field of auxiliary structures for immersed tube construction, in particular to a water upper workbench for immersed tube welding.

Background

The underwater immersed tube is generally used for communication, sewage discharge and other pipelines crossing rivers, the pipelines are formed by connecting a plurality of hard tubes of several meters, dozens of meters and even dozens of meters, most of the pipelines are welded on the bank of a river channel for convenient construction, if the pipelines are long and the external operable space is insufficient, the pipelines need to be operated by means of a floating vessel, the pipelines are put on the floating vessel and pulled in the direction of the river channel to occupy the position of the river channel for construction; this kind of mode can alleviate the pressure in river bank construction space, but the operation that uses the pontoon is also comparatively troublesome, and work load is also great, if pipeline length is too long, needs the quantity of pontoon also to need to increase, and the operation is inconvenient, and the expense is also higher.

Disclosure of Invention

In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide the above-water workbench for welding the immersed tube, which has a novel structure, can be used for supporting the immersed tube, can move on the land in an auxiliary manner and is convenient for the movement of a pipeline; can provide support buoyancy in the river course, the long pipeline of being convenient for is drawn toward the river course position, occupies the river course position and is under construction, alleviates river bank construction space's pressure.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides an underwater workbench for welding immersed tubes, which comprises a support box with an open bottom, wherein an inflatable bag is arranged in the support box, and a grid plate for blocking the inflatable bag is arranged at the bottom of the support box; a plurality of first pulleys are arranged on the bottom surface of the supporting box; two first clamping grooves are fixedly formed in the top surface of the supporting box, a first supporting block and a second supporting block are arranged on the first clamping grooves in a sliding mode, arc-shaped grooves are formed in the sides, close to the first supporting block and the second supporting block, of the first supporting block and the second supporting block, a semicircular shape is formed between the two close arc-shaped grooves, the first supporting block and the second supporting block slide along the first clamping grooves and are locked through locking knobs; the wall surfaces of the first supporting block and the second supporting block, which are far away from each other, are respectively provided with a first traction rope and a second traction rope, and the end parts of the first traction rope and the second traction rope are connected through a fastener.

In a preferred technical scheme of the invention, a wall surface of the first supporting block, which is far away from the arc-shaped groove, is provided with a second clamping groove which extends vertically, two sides of a notch of the second clamping groove are provided with a plurality of first threaded holes, the first threaded holes are distributed in a linear array along the length direction of the second clamping groove, a first sliding seat is arranged in the second clamping groove in a sliding manner, the first sliding seat can be locked through a screw, and the end part of a first traction rope is fixed on the first sliding seat; the second supporting block has the same structure as the first supporting block, a second sliding seat is arranged on a second clamping groove of the second supporting block, and the end part of the second traction rope is fixed on the second sliding seat.

In a preferred technical scheme of the invention, a sliding groove is formed in the bottom surface of the first supporting block corresponding to the outer wall of the first clamping groove, a guide block is fixedly arranged at the bottom of the sliding groove, the guide block is in sliding fit with the first clamping groove, a plurality of second threaded holes are uniformly arranged at intervals in the length direction in two side walls of the first clamping groove, and the locking knobs are correspondingly arranged at the bottoms of the two side walls of the first supporting block.

In a preferred technical scheme of the invention, a plurality of supporting strips which are uniformly arranged at intervals are fixedly arranged on the top wall inside the supporting box, the supporting strips divide the inside of the supporting box into a plurality of placing cavities, grooves are formed in the supporting strips, and two adjacent placing cavities are communicated through the grooves; the supporting strips are provided with limiting strips, the width of each limiting strip is matched with that of each supporting strip, and two ends of each limiting strip abut against the inner wall of the supporting box; the inflatable bag comprises a plurality of bag bodies, two adjacent bag bodies are connected through a pipe body, the bag bodies are correspondingly arranged in the placing cavity, the pipe body is correspondingly arranged in the groove, and the limiting strips fixed on the supporting strips can preliminarily clamp the inflatable bag and clamp the inflatable bag in the supporting box; the charging nozzle of the charging bag penetrates to the top surface of the supporting box.

In a preferred technical scheme of the invention, a protective cover is covered outside the charging connector, a thread seat is fixedly arranged on the top surface of the supporting box at the outer edge of the charging connector, the protective cover comprises a barrel body with two open ends, threads are arranged on the inner wall of the barrel body, the bottom end of the barrel body is in threaded connection and matching with the thread seat, and a transparent protective cover is fixedly arranged at the top end of the barrel body; the inside of barrel is equipped with and is used for the gas leakage detection structure, and the gas leakage detection structure includes the support ring, and the inner wall of support ring is fixed and is equipped with elastic film, and support ring threaded connection fixes the inner wall at the barrel.

In a preferred technical scheme of the invention, two ends of an open mouth of each placing cavity are provided with a sunk groove, an open mouth of each placing cavity is provided with a grid plate, two ends of the grid plate are fixedly provided with clamping pieces corresponding to the sunk grooves, the clamping pieces are opposite to the sunk grooves in position and are structurally matched, and the grid plate is fixed at the open mouth of the placing cavity through bolts penetrating through the clamping pieces and limits the inflatable bag.

In a preferred technical scheme of the invention, at least a second pulley is fixedly arranged on the bottom surface of each limiting strip, and the second pulleys are symmetrically arranged around the center of the limiting strip.

The invention has the beneficial effects that:

the invention provides a submerged pipe welding water workbench which is novel in structure, wherein a first clamping groove is formed in the top surface of a supporting box, a first supporting block and a second supporting block are arranged at the position of the first clamping groove, arc-shaped grooves are formed in the adjacent sides of the first supporting block and the second supporting block and can be used for supporting a pipeline, the positions of the first supporting block and the second supporting block can be adjusted and can be adapted to submerged pipes with different pipe diameters, and the submerged pipes can be bound by matching a first traction rope and a second traction rope, so that the submerged pipes are prevented from being easily loosened; the bottom surface of the supporting box is provided with a first pulley, so that a sliding foundation is provided for the supporting box to move on the land, and the pipeline is assisted to move; the inside gas cell that is equipped with of support box, the bottom of supporting the box is equipped with the waffle slab of injecing and protecting the gas cell, for supporting the box and providing the floating foundation, provides support buoyancy at the river course, and the long pipeline of being convenient for is drawn toward the river course position, occupies the river course position and is under construction, alleviates river bank construction space's pressure.

Drawings

Fig. 1 is a front view of an above-water table for welding a immersed tube according to an embodiment of the present invention;

FIG. 2 is a side view of an above-water table for welding a immersed tube according to an embodiment of the present invention;

fig. 3 is a bottom view of an above-water table for welding a immersed tube according to an embodiment of the present invention;

FIG. 4 is a bottom view of a support box provided in an exemplary embodiment of the present invention;

FIG. 5 is a schematic view of the cooperation of the airbag and the support box provided in the embodiment of the present invention;

FIG. 6 is a schematic view of the engagement of the stop strip and the airbag with the support box according to an embodiment of the present invention;

FIG. 7 is a schematic view of the cooperative arrangement of an inflation nozzle and a protective covering provided in an exemplary embodiment of the present invention.

In the figure:

100. a support box; 110. a first card slot; 111. a second threaded hole; 120. a supporting strip; 130. a placement chamber; 140. a groove; 150. a threaded seat; 160. sinking a groove; 200. an air-filled bag; 210. a capsule body; 220. a pipe body; 230. an air charging nozzle; 300. a grid plate; 310. card 410, first pulley; 420. a second pulley; 510. a first support block; 511. a second card slot; 512. a first threaded hole; 513. a guide block; 520. a second support block; 530. locking the knob; 610. a first pull rope; 620. a second pull rope; 630. a first slider; 640. a second slide carriage; 700. a limiting strip; 800. a protective cover; 810. a barrel; 820. a transparent protective cover; 830. a support ring; 840. an elastic film.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 3, in the embodiment of the present invention, an above-water workbench for welding a sinking tube is disclosed, which includes a supporting box 100 with an open bottom, an inflatable bag 200 is disposed in the supporting box 100, and a grid plate 300 for blocking the inflatable bag 200 is mounted at the bottom of the supporting box 100; a plurality of first pulleys 410 are installed on the bottom surface of the support case 100; the foundation for land movement is provided, the support box is matched with the immersed tube on land, the immersed tube can be erected, welding and movement are facilitated, and particularly, the support box is arranged on a section of road surface from land to the water surface of a river channel; two first clamping grooves 110 are fixedly arranged on the top surface of the supporting box 100, a first supporting block 510 and a second supporting block 520 are arranged on the first clamping grooves 110 in a sliding mode, arc-shaped grooves are formed in the adjacent sides of the first supporting block 510 and the second supporting block 520, a semicircular shape is formed between the two adjacent arc-shaped grooves, and the first supporting block 510 and the second supporting block 520 slide along the first clamping grooves 110 and are locked through locking knobs 530; the first and

second pulling ropes

610 and 620 are respectively installed on the wall surfaces of the first and

second support blocks

510 and 520 away from each other, and the ends of the first and

second pulling ropes

610 and 620 are connected by fasteners.

The above-mentioned immersed tube welding water top work platform, its novel structure, the top surface of the supporting box is equipped with the first draw-in groove, first draw-in groove department is equipped with first supporting shoe and second supporting shoe, and one side that first supporting shoe and second supporting shoe are close to all is equipped with the arc wall, can be used to the bearing of pipeline, the position of first supporting shoe and second supporting shoe is adjustable, but the immersed tube of different pipe diameters of adaptation, be equipped with first tractive rope and second tractive rope, can realize binding to the immersed tube, prevent easy pine from taking off; the bottom surface of the supporting box is provided with a first pulley, so that a sliding foundation is provided for the supporting box to move on the land, and the pipeline is assisted to move; the inflatable bags are arranged in the supporting box, the grid plate for limiting and protecting the inflatable bags is arranged at the bottom of the supporting box, a floating foundation is provided for the supporting box, supporting buoyancy is provided for a river channel, a long pipeline can be conveniently pulled to the position of the river channel, the position of the river channel is occupied for construction, and the pressure of a river bank construction space is reduced; it should be noted that a large distance is left between the two first clamping grooves, and the two first clamping grooves can be used for welding a pipeline or detecting a welding position.

Furthermore, a second clamping groove 511 extending vertically is formed in the wall surface, away from the arc-shaped groove, of the first supporting block 510, a plurality of first threaded holes 512 are formed in two sides of a notch of the second clamping groove 511, the first threaded holes 512 are distributed in a linear array along the length direction of the second clamping groove 511, a first sliding seat 630 is arranged in the second clamping groove 511 in a sliding manner, the first sliding seat 630 can be locked through screws, and the end portion of the first pulling rope 610 is fixed on the first sliding seat 630; the second supporting block 520 has the same structure as the first supporting block 510, a second sliding seat 640 is arranged on a second clamping groove of the second supporting block 520, and the end of the second pulling rope 620 is fixed on the second sliding seat 640; the first traction rope and the second traction rope are matched to conveniently lock the immersed tube preliminarily, so that the support box and the immersed tube are prevented from moving easily; the design of the first sliding seat and the second sliding seat can further facilitate the position adjustment of the first traction rope and the second traction rope, and provide adaptive traction force.

Further, a sliding groove is formed in the bottom surface of the first support block 510 corresponding to the outer wall of the first clamping groove 110, a guide block 513 is fixedly arranged at the bottom of the sliding groove, the guide block 513 is in sliding fit with the first clamping groove 110, a plurality of second threaded holes 111 are formed in two side walls of the first clamping groove 110 along the length direction, and the locking knobs 530 are correspondingly mounted at the bottoms of the two side walls of the first support block 510; the double sliding clamping cooperation can further prevent the excursion of supporting shoe, guarantees the steady movement.

Furthermore, the first clamping groove and the second clamping groove are both of T-shaped groove structures, so that swinging can be effectively prevented under the condition of maintaining normal sliding.

Further, as shown in fig. 4 to 6, a plurality of supporting bars 120 are fixedly disposed on a top wall inside the supporting box 100, the supporting bars 120 divide the inside of the supporting box 100 into a plurality of placing cavities 130, grooves 140 are formed in the supporting bars 120, and two adjacent placing cavities 130 are communicated with each other through the grooves 140; the supporting bar 120 is provided with a limiting bar 700, the width of the limiting bar 700 is matched with that of the supporting bar 120, and two ends of the limiting bar 700 are propped against the inner wall of the supporting box 100; the support of the support box can be enhanced by the design of the support bars and the limit bars, and the structural strength of the support box is ensured; the arrangement of the plurality of placing cavities can facilitate the design and installation of the subsequent inflatable bag; the groove part is blocked and limited by the limiting strip, so that a basic condition for clamping and limiting is provided; the inflatable bag 200 comprises a plurality of bag bodies 210, two adjacent bag bodies 210 are connected through a tube body 220, the bag bodies 210 are correspondingly arranged in the placing cavity 130, the tube body 220 is correspondingly arranged in the groove 140, and the limiting strips 700 fixed on the supporting bars can preliminarily clamp the inflatable bag 200 and clamp the inflatable bag 200 in the supporting box 100; the air nozzle 230 of the air bladder 200 penetrates to the top surface of the support box 100; the inflatable bag is stably installed, and is limited to be clamped in the supporting box.

Further, as shown in fig. 7, a protective cover 800 covers the exterior of the charging connector 230 to protect the charging connector, so that the charging connector can be effectively prevented from colliding with external components and being damaged in the construction process;

the top surface of the supporting box 100 is fixedly provided with a threaded seat 150 at the outer edge of the charging connector 230, the protecting cover 800 comprises a cylinder 810 with two open ends, the inner wall of the cylinder 810 is provided with threads, and the bottom end of the cylinder 810 is in threaded connection and matching with the threaded seat 150; the structure matched with the threaded connection is adopted, so that the protective cover can be conveniently disassembled and assembled, and the inflation operation and the maintenance action are convenient to carry out;

a transparent protective cover 820 is fixedly arranged at the top end of the cylinder 810; a gas leakage detection structure is arranged in the cylinder 810 and comprises a support ring 830, an elastic film 840 is fixedly arranged on the inner wall of the support ring 830, and the support ring 830 is fixed on the inner wall of the cylinder 810 in a threaded connection manner; when the charging connector leaks air, the internal air pressure rises, the elastic film is enabled to bulge upwards and deform, the air leakage condition can be checked through the transparent protective cover, and problems can be found in time.

Furthermore, two ends of the open opening of the placing cavity 130 are provided with a sinking groove 160, an opening of each placing cavity 130 is provided with a grid plate 300, two ends of the grid plate 300 are fixedly provided with a clamping piece 310 corresponding to the sinking groove, the clamping piece 310 is opposite to the sinking groove 160 and is structurally matched with the sinking groove, and the grid plate 300 is fixed at the open opening of the placing cavity 130 through a bolt penetrating through the clamping piece 310 to limit the inflatable bag 200; the design of grid plate can guarantee that gas cell and river surface of water contact to the reinforcing provides buoyancy, also can carry out certain protection to the gas cell, prevents that the gas cell from being scratched by outside stone.

Further, at least a second pulley 420 is fixedly installed on the bottom surface of each limit strip 700, and the second pulleys 420 are symmetrically arranged around the center of the limit strip 700; the supporting of the whole workbench and the moving foundation can be further enhanced.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides an immersed tube welding is with above water workstation which characterized in that:

the device comprises a supporting box with an open bottom, wherein an inflatable bag is arranged in the supporting box, and a grid plate for blocking the inflatable bag is arranged at the bottom of the supporting box; a plurality of first pulleys are arranged on the bottom surface of the supporting box;

two first clamping grooves are fixedly formed in the top surface of the supporting box, a first supporting block and a second supporting block are arranged on the first clamping grooves in a sliding mode, arc-shaped grooves are formed in the sides, close to the first supporting block and the second supporting block, of the first supporting block and the second supporting block, a semicircular shape is formed between the two close arc-shaped grooves, the first supporting block and the second supporting block slide along the first clamping grooves and are locked through locking knobs; the wall surfaces of the first supporting block and the second supporting block, which are far away from each other, are respectively provided with a first traction rope and a second traction rope, and the end parts of the first traction rope and the second traction rope are connected through a fastener.

2. The above-water workbench for immersed tube welding according to claim 1, characterized in that:

a second clamping groove extending vertically is formed in the wall surface, away from the arc-shaped groove, of the first supporting block, a plurality of first threaded holes are formed in the two sides of the notch of the second clamping groove, the first threaded holes are distributed in a linear array mode along the length direction of the second clamping groove, a first sliding seat is arranged in the second clamping groove in a sliding mode, the first sliding seat can be locked through screws, and the end portion of a first traction rope is fixed on the first sliding seat;

the second supporting block has the same structure as the first supporting block, a second sliding seat is arranged on a second clamping groove of the second supporting block, and the end part of the second traction rope is fixed on the second sliding seat.

3. The above-water workbench for immersed tube welding according to claim 1, characterized in that:

the bottom surface of first supporting block corresponds the outer wall of first draw-in groove and has seted up the spout, and the tank bottom of spout is fixed to be equipped with the guide block, guide block and first draw-in groove sliding fit, and the both sides wall of first draw-in groove is equipped with the second screw hole that a plurality of even intervals set up along length direction, and the both sides wall bottom of first supporting block corresponds installs the locking knob.

4. The above-water workbench for immersed tube welding according to claim 1, characterized in that:

a plurality of supporting bars which are uniformly arranged at intervals are fixedly arranged on the top wall inside the supporting box, the supporting bars divide the inside of the supporting box into a plurality of placing cavities, grooves are formed in the supporting bars, and two adjacent placing cavities are communicated through the grooves; the supporting strips are provided with limiting strips, the width of each limiting strip is matched with that of each supporting strip, and two ends of each limiting strip abut against the inner wall of the supporting box;

the inflatable bag comprises a plurality of bag bodies, two adjacent bag bodies are connected through a pipe body, the bag bodies are correspondingly arranged in the placing cavity, the pipe body is correspondingly arranged in the groove, and the limiting strips fixed on the supporting strips can preliminarily clamp the inflatable bag and clamp the inflatable bag in the supporting box; the charging nozzle of the charging bag penetrates to the top surface of the supporting box.

5. The above-water workbench for immersed tube welding according to claim 4, wherein:

the outer part of the inflating nozzle is covered with a protective cover, the top surface of the supporting box is fixedly provided with a threaded seat at the outer edge of the inflating nozzle, the protective cover comprises a barrel body with two open ends, the inner wall of the barrel body is provided with threads, the bottom end of the barrel body is in threaded connection and matching with the threaded seat, and the top end of the barrel body is fixedly provided with a transparent protective cover;

the inside of barrel is equipped with and is used for the gas leakage detection structure, and the gas leakage detection structure includes the support ring, and the inner wall of support ring is fixed and is equipped with elastic film, and support ring threaded connection fixes the inner wall at the barrel.

6. The above-water workbench for immersed tube welding according to claim 4, wherein:

the both ends of placing the uncovered mouth in chamber are equipped with heavy groove, and the open mouth department in each placing chamber installs a net board, and the both ends of net board correspond heavy fixed the being equipped with card in groove, and the card is relative with heavy groove position, and structure adaptation, and the bolt fastening that the net board runs through the card is in the open mouth department of placing the chamber, is injectd the gas cell.

7. The above-water workbench for immersed tube welding according to claim 1, characterized in that:

the bottom surface of each limit strip is fixedly provided with at least a second pulley, and the second pulleys are symmetrically arranged around the center of the limit strip.