1. A splicing type underwater immersed tube comprises tube bodies (100) and a connecting assembly, wherein the connecting assembly is used for connecting the end parts of the two tube bodies (100); the method is characterized in that:

a snap ring (110) is convexly arranged on the outer wall of the port of the pipe body (100);

the connecting assembly comprises a supporting piece (200) and a pressing cover piece (300), the supporting piece (200) comprises a first arc-shaped plate (210), the inner diameter of the first arc-shaped plate (210) is matched with the outer diameter of the clamping ring (110), a butt joint ring (220) is fixedly arranged in the middle of the inner wall of the first arc-shaped plate (210), first limiting blocks (230) are fixedly arranged on the two sides of the butt joint ring (220) on the inner wall of the first arc-shaped plate (210), the first limiting blocks (230) are of a semi-annular structure, the inner diameter of each first limiting block (230) is matched with the outer diameter of the pipe body (100), and the distance between each first limiting block (230) and the butt joint ring (220) is matched with the thickness of the clamping ring (110);

the pipe body clamping device is characterized in that the pressing cover piece (300) comprises a second arc-shaped plate (310), the first arc-shaped plate (210) and the second arc-shaped plate (310) are in butt joint to form a closed loop structure, a second limiting block (320) is fixedly arranged on the inner wall of the second arc-shaped plate (310) corresponding to the two first limiting blocks (230), the first limiting blocks (230) and the second limiting blocks (320) are in butt joint to form a closed loop structure, the pressing cover piece (300) and the bearing piece (200) which are fixed through screws can clamp the clamping rings (110) of the two pipe bodies (100) to bear and clamp the pipe bodies (100), and the end parts of the two pipe bodies (100) are communicated through the butt joint rings (220);

the outer wall of the first arc-shaped plate (210) is provided with an adjustable bearing moving structure (400).

2. A spliced underwater immersed tube as claimed in claim 1, wherein:

the number of the bearing moving structures (400) is 4, and four bearing moving structures (400) are symmetrically distributed on the outer wall of the first arc-shaped plate (210);

the supporting moving structure (400) comprises supporting blocks (410) and adjusting pieces (420), the supporting blocks (410) are fixed on the outer wall of the first arc-shaped plate (210), the bottom end of the first arc-shaped plate (210) is lower than the bottom surface of the supporting blocks (410), and the four supporting blocks (410) support the first arc-shaped plate (210); a vertically-arranged sinking groove (411) is formed in the supporting block (410), and a first threaded hole (412) penetrating through the bottom surface of the supporting block (410) is formed in the bottom surface of the sinking groove (411); regulating part (420) including spacing post (421), bracing piece (422), universal ball bearing (423) that from top to bottom set gradually, the outer wall of bracing piece (422) be equipped with the screw thread, and with first screw hole (412) threaded connection cooperates, the external diameter of spacing post (421) with the internal diameter adaptation of heavy groove (411), the sunken prism groove (424) that is equipped with in top surface of spacing post (421), the maximum diameter of universal ball bearing (423) is less than the diameter of first screw hole (412), can accomodate in first screw hole (412), universal ball bearing (423) can be moved down, and outstanding in the bottom surface of supporting shoe (410).

3. A spliced underwater immersed tube as claimed in claim 2, wherein:

the first arc-shaped plate (210) and the supporting block (410) are of an integral structure.

4. A spliced underwater immersed tube as claimed in claim 1, wherein:

the top edge of one side of the first limiting block (230) close to the center of the first arc-shaped plate (210) is provided with a chamfer, the top edge of one side of the second limiting block (320) close to the center of the second arc-shaped plate (310) is provided with a chamfer, and the outer wall edge of one side of the clamping ring (110) close to the pipe body (100) is provided with a chamfer.

5. A spliced underwater immersed tube as claimed in claim 1, wherein:

the outer side wall of the clamping ring (110) is fixedly embedded with a first sealing ring (120), and the clamping ring (110) is far away from the end face of the pipe body (100) and is fixedly embedded with at least one second sealing ring (130).

6. A spliced underwater immersed tube as claimed in claim 1, wherein:

a plurality of second threaded holes (221) are formed in the two end faces of the butt joint ring (220), and the second threaded holes (221) are distributed in a circumferential array around the axis of the butt joint ring (220); the first limiting block (230) and the second limiting block (320) are provided with a plurality of first counter bores corresponding to the second threaded holes (221), the clamping ring (110) is provided with a plurality of through holes (111) corresponding to the second threaded holes (221), and the clamping ring (110) is fixedly installed inside the connecting assembly through bolts.

7. A spliced underwater immersed tube as claimed in claim 1, wherein:

the top surfaces of two ends of the first limiting block (230) are downwards sunken to form clamping grooves (231), the bottom surfaces of two ends of the second limiting block (320) are correspondingly provided with clamping blocks (321), the clamping blocks (321) are matched with the clamping grooves (231) in shape, and the cover pressing part (300) is correspondingly clamped with the bearing part (200);

the bottom surface of the clamping groove (231) is provided with a third threaded hole (232), the pressing cover piece (300) is provided with a second counter bore (322) corresponding to the clamping block (321), and the clamping block (321) is in splicing fit with the clamping groove (231) and is in reinforced connection through a bolt.

8. A spliced underwater immersed tube as claimed in claim 1, wherein:

the middle part of the inner wall of the second arc-shaped plate (310) is fixedly provided with a convex rib (330), the outer side wall of the butt joint ring (220) is correspondingly provided with a groove (222), and the convex rib (330) is matched with the groove (222) in shape.

Background

The underwater immersed tube is generally used for communication, sewage discharge and other pipelines crossing rivers, and the pipelines are formed by connecting a plurality of hard tubes of several meters, more than ten meters and even dozens of meters; in this way, the key is the sealing performance of the splicing part; in the traditional mode, the flange plate and the sealing ring are butted, or welding is carried out on the basis, so that the operation is troublesome; moreover, the length of the connected immersed tube is very long, the movement is troublesome, more large hoisting equipment needs to be borrowed, and the construction difficulty is higher.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a spliced underwater immersed tube which is novel in structure, the connection parts are connected in a clamping and fixing mode, the installation, splicing and use are convenient, and a stable support is provided; the connecting part can also be moved in an auxiliary way, so that the spliced immersed tube can be conveniently moved.

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

the invention provides a spliced underwater immersed tube, which comprises tube bodies and a connecting assembly, wherein the connecting assembly is used for connecting the end parts of the two tube bodies; a snap ring is convexly arranged on the outer wall of the port of the pipe body; the connecting assembly comprises a supporting piece and a pressing cover piece, the supporting piece comprises a first arc-shaped plate, the inner diameter of the first arc-shaped plate is matched with the outer diameter of the clamping ring, a butt joint ring is fixedly arranged in the middle of the inner wall of the first arc-shaped plate, first limiting blocks are fixedly arranged on the inner wall of the first arc-shaped plate on two sides of the butt joint ring, the first limiting blocks are of semi-annular structures, the inner diameter of each first limiting block is matched with the outer diameter of the pipe body, and the distance between each first limiting block and the butt joint ring is matched with the thickness of the clamping ring; the pressing cover piece comprises a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are in butt joint to form a closed-loop structure, a second limiting block is fixedly arranged on the inner wall of the second arc-shaped plate corresponding to the two first limiting blocks, the first limiting block and the second limiting block are in butt joint to form a closed-loop structure, the pressing cover piece and the bearing piece which are fixed by screws can clamp the clamping rings of the two pipe bodies to bear and clamp the pipe bodies, and the end parts of the two pipe bodies are communicated through the butt joint rings; the outer wall of the first arc-shaped plate is provided with an adjustable bearing moving structure.

In a preferred technical scheme of the present invention, the number of the support moving structures is 4, and four support moving structures are symmetrically distributed on the outer wall of the first arc-shaped plate; the supporting moving structure comprises supporting blocks and an adjusting part, the supporting blocks are fixed on the outer wall of the first arc-shaped plate, the bottom end of the first arc-shaped plate is lower than the bottom surface of the supporting blocks, and the four supporting blocks support the first arc-shaped plate; the supporting block is provided with a vertically arranged sinking groove, and the bottom surface of the sinking groove is provided with a first threaded hole penetrating to the bottom surface of the supporting block; the regulating part is including spacing post, bracing piece, universal ball bearing that from top to bottom sets gradually, the outer wall of bracing piece be equipped with the screw thread, and with first screw hole threaded connection cooperation, the external diameter of spacing post with the internal diameter adaptation of heavy groove, the top surface of spacing post is sunken to be equipped with the prism groove, universal ball bearing's maximum diameter is less than the diameter of first screw hole, can accomodate in first screw hole, universal ball bearing can down the below remove and outstanding in the bottom surface of supporting shoe.

In a preferred technical scheme of the invention, the first arc-shaped plate and the supporting block are of an integral structure.

In a preferred technical scheme of the invention, a chamfer is arranged at the top edge of one side of the first limiting block close to the center of the first arc-shaped plate, a chamfer is arranged at the top edge of one side of the second limiting block close to the center of the second arc-shaped plate, and a chamfer is arranged at the edge of the outer wall of one side of the clamping ring close to the pipe body.

In a preferred technical scheme of the invention, a first sealing ring is fixedly embedded in the outer side wall of the clamping ring, and at least one second sealing ring is fixedly embedded in the end face, far away from the pipe body, of the clamping ring.

In a preferred technical scheme of the invention, a plurality of second threaded holes are respectively arranged on two end faces of the butt joint ring, and the second threaded holes are distributed in a circumferential array around the axis of the butt joint ring; the first limiting block and the second limiting block are provided with a plurality of first counter sink holes corresponding to the second threaded holes, a plurality of through holes are formed in the clamping ring corresponding to the second threaded holes, and the clamping ring is fixedly installed inside the connecting assembly through bolts.

In a preferred technical scheme of the invention, the top surfaces of the two ends of the first limiting block are downwards recessed to form clamping grooves, the bottom surfaces of the two ends of the second limiting block are correspondingly provided with clamping blocks, the clamping blocks are matched with the clamping grooves in shape, and the cover pressing part is correspondingly clamped with the bearing part;

the bottom surface of draw-in groove is equipped with the third screw hole, and the gland spare corresponds the fixture block and is equipped with the second counter sink, and the fixture block is pegged graft with the draw-in groove and is cooperated, and consolidates through the bolt and connect.

In a preferred technical scheme of the invention, a convex edge is fixedly arranged in the middle of the inner wall of the second arc-shaped plate, a groove is correspondingly arranged on the outer side wall of the butt-joint ring, and the convex edge is matched with the groove in shape.

The invention has the beneficial effects that:

the invention provides a spliced underwater immersed tube which is novel in structure, wherein a connecting assembly comprises a bearing part and a pressing cover part, the bearing part comprises a first arc-shaped plate, a butt joint ring and a first limiting block are arranged in the arc-shaped plate, and the butt joint ring and the first limiting block can be used for clamping a clamping ring at the end part of a tube body and bearing and clamping the tube body; the second limiting block is arranged in the pressing cover piece and can be in butt joint with the first limiting block to clamp the pipe body, the butt joint ring is of a closed-loop structure, and the butt joint ring and the second limiting block can also be in clamping joint with the clamping ring; the integral design and the matching are realized, the end parts of the two pipe bodies are connected in a clamping and fixing mode, and the installation, the splicing and the use are convenient; the design of bearing removal structure can provide steady bearing, also can assist the removal, and the immersed tube after the convenient concatenation removes.

Drawings

Fig. 1 is a schematic perspective view of a spliced underwater immersed tube according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a spliced submersible pipe provided in an embodiment of the present invention;

FIG. 3 is a perspective view of an end of a tube provided in an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a support provided in an embodiment of the present invention;

fig. 5 is a perspective view of a capping member provided in an embodiment of the present invention;

fig. 6 is a perspective view of an adjusting member provided in an embodiment of the present invention.

In the figure:

100. a pipe body; 110. a snap ring; 111. a through hole; 120. a first seal ring; 130. a second seal ring; 200. a support member; 210. a first arc-shaped plate; 220. a docking ring; 221. a second threaded hole; 222. a groove; 230. a first stopper; 231. a card slot; 232. a third threaded hole; 300. a cap pressing member; 310. a second arc-shaped plate; 320. a second limiting block; 321. a clamping block; 322. a second counterbore; 330. a rib; 400. a bearing moving structure; 410. a support block; 411. sinking a groove; 412. a first threaded hole; 420. an adjustment member; 421. a limiting column; 422. a support bar; 423. a universal ball bearing; 424. and (4) prismatic grooves.

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 6, in an embodiment of the present invention, a splicing type underwater immersed tube is disclosed, which includes a tube body 100, and a connecting assembly for connecting ends of the two tube bodies 100; a snap ring 110 is convexly arranged on the outer wall of the port of the tube body 100; the connecting assembly comprises a supporting piece 200 and a pressing cover piece 300, the supporting piece 200 comprises a first arc-shaped plate 210, the inner diameter of the first arc-shaped plate 210 is matched with the outer diameter of the clamping ring 110, a butt joint ring 220 is fixedly arranged in the middle of the inner wall of the first arc-shaped plate 210, first limiting blocks 230 are fixedly arranged on two sides of the butt joint ring 220 on the inner wall of the first arc-shaped plate 210, the first limiting blocks 230 are in a semi-annular structure, the ring inner diameter of the first limiting blocks 230 is matched with the outer diameter of the pipe body 100, and the distance between the first limiting blocks 230 and the butt joint ring 220 is matched with the thickness of the clamping ring 110; the pressing cover part 300 comprises a second arc-shaped plate 310, a closed loop structure is formed by butt joint of the first arc-shaped plate 210 and the second arc-shaped plate 310, a second limiting block 320 is fixedly arranged on the inner wall of the second arc-shaped plate 310 corresponding to the two first limiting blocks 230, a closed loop structure is formed by butt joint of the first limiting blocks 230 and the second limiting blocks 320, the clamping rings 110 of the two pipe bodies 100 can be clamped through the pressing cover part 300 and the bearing part 200 which are fixed through screws, the pipe bodies 100 can be supported and clamped, and the end parts of the two pipe bodies 100 are communicated through the butt joint rings 220; the outer wall of the first arc-shaped plate 210 is provided with an adjustable supporting and moving structure 400.

The spliced underwater immersed tube is novel in structure, the connecting assembly comprises a bearing part and a pressing cover part, the bearing part comprises a first arc-shaped plate, a butt joint ring and a first limiting block are arranged in the arc-shaped plate, and the butt joint ring and the first limiting block can be used for clamping a clamping ring at the end part of a tube body and bearing and clamping the tube body; the second limiting block is arranged in the pressing cover piece and can be in butt joint with the first limiting block to clamp the pipe body, the butt joint ring is of a closed-loop structure, and the butt joint ring and the second limiting block can also be in clamping joint with the clamping ring; the integral design and the matching are realized, the end parts of the two pipe bodies are connected in a clamping and fixing mode, and the installation, the splicing and the use are convenient; the design of bearing removal structure can provide steady bearing, also can assist the removal, and the immersed tube after the convenient concatenation removes.

Further, the number of the supporting moving structures 400 is 4, and four supporting moving structures 400 are symmetrically distributed on the outer wall of the first arc-shaped plate 210; the supporting moving structure 400 comprises supporting blocks 410 and adjusting pieces 420, the supporting blocks 410 are fixed on the outer wall of the first arc-shaped plate 210, the bottom end of the first arc-shaped plate 210 is lower than the bottom surface of the supporting blocks 410, and the four supporting blocks 410 support the first arc-shaped plate 210; a vertically arranged sinking groove 411 is formed in the supporting block 410, and a first threaded hole 412 penetrating through the bottom surface of the supporting block 410 is formed in the bottom surface of the sinking groove 411; the adjusting part 420 comprises a limiting column 421, a supporting rod 422 and a universal ball bearing 423 which are sequentially arranged from top to bottom, the outer wall of the supporting rod 422 is provided with threads and is in threaded connection and matching with the first threaded hole 412, the outer diameter of the limiting column 421 is matched with the inner diameter of the sinking groove 411, the top surface of the limiting column 421 is concavely provided with a prism groove 424, the maximum diameter of the universal ball bearing 423 is smaller than the diameter of the first threaded hole 412 and can be accommodated in the first threaded hole 412, and the universal ball bearing 423 can move downwards and protrudes out of the bottom surface of the supporting block 410; the lifting of the universal ball bearing can be realized by rotating the support rod, so that the universal ball bearing can enter and exit the first threaded hole; when stable support is needed, the universal ball bearing is moved upwards and is accommodated in the first threaded hole, and the first arc-shaped plate is supported by the four supporting blocks and is in stable contact with the ground; when the supporting block needs to be moved, the supporting rod is rotated, so that the universal ball bearings protrude out of the bottom surface of the supporting block, and the auxiliary moving effect can be achieved by contacting the plurality of universal ball bearings with the bottom surface.

Further, the first arc-shaped plate 210 and the supporting block 410 are of an integral structure, so that the connection strength between the first arc-shaped plate and the supporting block is ensured, and the structural strength of the first arc-shaped plate is improved.

Further, a chamfer is arranged at the top edge of one side of the first limiting block 230 close to the center of the first arc-shaped plate 210, a chamfer is arranged at the top edge of one side of the second limiting block 320 close to the center of the second arc-shaped plate 310, and a chamfer is arranged at the outer wall edge of the clamping ring 110 close to one side of the pipe body 100; this structural design can make things convenient for smooth the inserting between first stopper and the butt joint ring of snap ring, carries out the butt joint cooperation of basis, realizes preliminary cooperation.

Further, a first sealing ring 120 is fixedly embedded on the outer side wall of the snap ring 110, and at least one second sealing ring 130 is fixedly embedded on the end surface of the snap ring 110 away from the pipe body 100; the first sealing ring can strengthen the sealing fit between the clamping ring and the first arc-shaped plate and the second arc-shaped plate; the second sealing ring is designed to extrude and seal the connecting and communicating part when the clamping ring is matched with the butt joint ring; the number of the second sealing rings is preferably 3, and the second sealing rings are mutually nested and matched.

Furthermore, a plurality of second threaded holes 221 are formed in both end faces of the docking ring 220, and the second threaded holes 221 are distributed in a circumferential array around the axis of the docking ring 220; the first limiting block 230 and the second limiting block 320 are provided with a plurality of first counter bores corresponding to the second threaded holes 221, the clamping ring 110 is provided with a plurality of through holes 111 corresponding to the second threaded holes 221, and the clamping ring 110 is fixedly installed inside the connecting assembly through bolts; the structural design can realize the stable connection and matching between the snap ring and the first limiting block as well as the second limiting block, and can also enhance the extrusion sealing effect on the second sealing ring.

Furthermore, the top surfaces of the two ends of the first limiting block 230 are recessed downwards to form clamping grooves 231, the bottom surfaces of the two ends of the second limiting block 320 are correspondingly provided with clamping blocks 321, the clamping blocks 321 are matched with the clamping grooves 231 in shape, and the pressing cover 300 is correspondingly clamped with the bearing piece 200; the bottom surface of the clamping groove 231 is provided with a third threaded hole 232, the pressing cover piece 300 is provided with a second counter bore 322 corresponding to the clamping block 321, and the clamping block 321 is in inserted fit with the clamping groove 231 and is in reinforced connection through a bolt; a convex rib 330 is fixedly arranged in the middle of the inner wall of the second arc-shaped plate 310, a groove 222 is correspondingly arranged on the outer side wall of the butt-joint ring 220, and the convex rib 330 is matched with the groove 222 in shape; the structural design can further enhance the connection and matching between the pressure cover piece and the supporting piece, and is convenient for alignment and installation.

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.