CN113202997A - Large-caliber ball-milling cast iron pipe system in water-rich environment and construction method thereof - Google Patents
Large-caliber ball-milling cast iron pipe system in water-rich environment and construction method thereof Download PDFInfo
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- CN113202997A CN113202997A CN202110559167.1A CN202110559167A CN113202997A CN 113202997 A CN113202997 A CN 113202997A CN 202110559167 A CN202110559167 A CN 202110559167A CN 113202997 A CN113202997 A CN 113202997A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
- F16L43/02—Bends; Siphons adapted to make use of special securing means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model relates to a heavy-calibre ball-milling cast iron pipe system under rich water environment, it includes return bend and straight tube, the coaxial oversleeve that is used for inserting in the return bend that is provided with of tip of straight tube, still fasten the fastener in the return bend including being used for the oversleeve, fastener is including the arc butt piece that is used for the butt return bend and the clamping device who is used for pressing from both sides tight straight tube, arc butt piece is including the arc butt board that is used for butt return bend buckling department, the arc length bisector department of arc butt board rotates and is connected with the rotation screw rod, it establishes and threaded connection has the sleeve to rotate the cover on the screw rod, arc butt board is provided with the slide bar along being on a parallel with the length direction of rotation screw rod, clamping device includes the support and is used for pressing from both sides the clamping piece of tight straight tube, the support includes extension board and branch, extension board one end links to each other with the sleeve, the clamping piece sets up in the one end of branch, the one end that the clamping piece was kept away from to branch is connected with the extension board. This application has the inseparable degree of promotion nodular cast iron pipe when the elbow is connected and reduces the effect of revealing.
Description
Technical Field
The application relates to the field of connection of ball-milling cast iron pipes, in particular to a large-caliber ball-milling cast iron pipe system in a water-rich environment and a construction method thereof.
Background
At present, large-caliber nodular cast iron pipes need to be connected with each other according to the length of pipeline laying, and the nodular cast iron pipes are connected at an elbow by methods such as finished cast iron socket pipe fittings or concrete pouring, so that the problems of leakage and the like are easy to occur; if a method of using a common steel pipe to cooperate with a green lead sealing method to construct a large-caliber cast iron pipe, the connection effect is not ideal due to the large pipe diameter and high pressure.
Aiming at the related technologies, the inventor thinks that the defects of poor connection quality and more leakage points of the cast iron pipe elbow in the water-rich environment exist.
Disclosure of Invention
In order to improve the tightness degree of the nodular cast iron pipe during elbow connection and reduce leakage, the application provides a large-caliber nodular cast iron pipe system in a water-rich environment and a construction method thereof.
In a first aspect, the application provides a large-caliber ball-milling cast iron pipe system in a water-rich environment, which adopts the following technical scheme:
a large-caliber ball-milling cast iron pipe system under a water-rich environment comprises a bent pipe and a straight pipe, wherein the end part of the straight pipe is coaxially provided with a sleeve for being inserted into the bent pipe, the large-caliber ball-milling cast iron pipe system also comprises a fastening device for fastening the sleeve in the bent pipe, a sealing layer is arranged on the outer ring of the sleeve, the fastening device comprises an arc abutting part for abutting against the bent pipe and a clamping device for clamping the straight pipe, the arc abutting part comprises an arc abutting plate for abutting against the bent part of the bent pipe, the arc bisecting line of the arc abutting plate is rotatably connected with a rotating screw rod, a sleeve is sleeved and in threaded connection with the rotating screw rod, the arc abutting plate is provided with a sliding rod along the length direction parallel to the rotating screw rod, the sliding rod penetrates through the sleeve and is in sliding connection with the sleeve, the clamping device comprises a support and a clamping element for clamping the straight pipe, and the support comprises a support plate and a support rod, the supporting rod is of a telescopic structure, the axis of the supporting plate is parallel to the axis of the straight pipe when the straight pipe is connected with the bent pipe, the axis of the supporting plate is perpendicular to the axis of the straight pipe when the straight pipe is connected with the bent pipe, one end of the supporting plate is connected with the sleeve, the clamping piece is arranged at one end of the supporting rod, and one end, far away from the clamping piece, of the supporting rod is connected with the supporting plate.
By adopting the technical scheme, when the end part of the straight pipe is connected with the end part of the bent pipe, the straight pipe is aligned with the end part of the bent pipe, the sleeve of the straight pipe is inserted into the bent pipe, the sleeve is abutted to the inner side of the bent part of the bent pipe through the arc abutting plate, the arc length bisector of the arc abutting plate also bisects the arc length of the bent pipe, then the straight pipe is clamped through the clamping piece, the rotating screw rod rotates, the sleeve slides along the length direction of the sliding rod under the limit of the sliding rod, the sleeve drives the support plate to move towards the arc abutting plate, the support rod is of a telescopic structure, the length of the support rod is changed, the support rod drives the support rod to move along the axis direction of the straight pipe, the support rod drives the straight pipe to move towards the bent pipe through the clamping piece, the sleeve is tightly inserted with the bent pipe through the sealing layer, and the tightness degree of the ductile cast iron pipe when the bent pipe is connected is improved under the water-rich environment, meanwhile, the leakage at the joint of the bent pipe and the straight pipe is reduced.
Optionally, the sleeve gradually decreases in diameter in a direction away from the straight tube.
By adopting the technical scheme, the straight pipe can be conveniently inserted into the elbow pipe through the sleeve, and meanwhile, in the process of inserting the straight pipe into the sleeve, the diameter of the sleeve is gradually reduced along the direction far away from the straight pipe, so that the sleeve is tightly connected with the elbow pipe in the process of inserting the elbow pipe.
Optionally, the clamping piece includes the chain, the tip that chain one end was passed through bull stick and branch rotates mutually to be connected, be provided with the passageway that supplies the chain other end to pass on the bull stick, branch and bull stick be provided with the joint tooth that is used for meshing mutually with the chain.
Through adopting above-mentioned technical scheme, at the in-process that presss from both sides tightly the straight tube, with the chain winding to the straight tube on, pass the bull stick with chain one end again, behind the chain chucking straight tube, again with joint tooth and chain engaged with to make the clamping piece carry out the chucking to the straight tube, branch just can drive the straight tube and move towards the return bend.
Optionally, a support plate for abutting against the chain is sleeved and fixed on the straight pipe.
Through adopting above-mentioned technical scheme, through being provided with to the board, drive the in-process that straight tube and return bend carry out being connected, the chain is through the butt with supporting the board for the chain not only drives the straight tube motion through frictional force, and further can drive the straight tube motion through the butt with supporting the board.
Optionally, be provided with the joint spare that is used for the joint return bend on the arc butt joint board, the joint spare includes fastening screw and joint board, fastening screw and arc butt joint board threaded connection, fastening screw passes the arc butt joint board along the arc length bisector of arc butt joint board, the arc butt joint board links to each other with the joint board screw thread along the one end of keeping away from the rotation screw rod, form the joint space of return bend between joint board and the arc butt joint board.
Through adopting above-mentioned technical scheme, with arc butt joint board and return bend department of buckling looks butt back, rethread joint board carries out the butt to the return bend opposite side, passes arc butt joint board and joint board with fastening screw in proper order again to carry out threaded connection with arc butt joint board and joint board respectively, thereby make the return bend by the joint advance in the return bend joint space that forms between joint board and the arc butt joint board.
Optionally, still including the aligning device that is used for return bend tip and straight tube tip to align, aligning device includes first arc ring and second arc ring, first arc ring is used for with return bend tip looks joint, second arc ring is used for straight tube tip looks joint, first arc ring and second arc ring pass through the telescopic link and link to each other.
Through adopting above-mentioned technical scheme, before connecting return bend and straight tube, need align with the tip of straight tube and the tip of return bend earlier, will first arc ring joint to the tip of return bend, the length of rethread extension telescopic link for second arc ring joint to the upper surface of straight tube, thereby can make the tip of straight tube and return bend align basically, the connection of the straight tube and return bend of being convenient for.
Optionally, the inner surfaces of the first arc-shaped ring and the second arc-shaped ring are both embedded and are rotatably connected with a plurality of balls.
Through adopting above-mentioned technical scheme, through being provided with the ball, be convenient for turn into rolling friction with sliding friction, reduced frictional force.
In a second aspect, the construction method of the heavy-calibre nodular cast iron pipe system in the water-rich environment adopts the following technical scheme:
a construction method of a large-caliber nodular cast iron pipe system in a water-rich environment comprises the following steps:
step one, respectively clamping two first arc-shaped rings at the end part of a bent pipe, and then stretching a telescopic rod to ensure that the end part of a straight pipe is clamped with a second arc-shaped ring, so that the end part of the bent pipe is aligned with the end part of the straight pipe, and a sleeve of the straight pipe is inserted into the bent pipe;
secondly, abutting the arc abutting plate with the bent part of the bent pipe, enabling an arc length bisector of the arc abutting plate to bisect the arc length of the bent pipe, and fixing the arc abutting plate on the bent pipe through a clamping piece;
thirdly, clamping the straight pipe through a clamping piece, and enabling the chain to be abutted against the abutting plate;
and step four, rotating the rotating screw rod to enable the sleeve to drive the support plate to move, and enabling the support plate to drive the support rod to move along the axis direction of the straight pipe, so that the support rod drives the straight pipe to move towards the inside of the bent pipe through the clamping piece, and the straight pipe and the bent pipe are clamped tightly.
By adopting the technical scheme, when the end part of the straight pipe is connected with the end part of the bent pipe, the straight pipe is aligned with the end part of the bent pipe through the aligning device; then the arc-shaped abutting plate abuts against the bent part of the bent pipe, and the arc-shaped abutting plate is fixed at the bent part of the bent pipe through the clamping piece; the supporting rod is fixed with the straight pipe through the clamping piece, and then the rotating screw rod is rotated, so that the straight pipe is inserted into the bent pipe through the sleeve, the straight pipe and the bent pipe are connected tightly, the joint of the straight pipe and the bent pipe is welded, the connection of the straight pipe and the bent pipe is completed, the tightness degree of the nodular cast iron pipe when the elbows are connected is improved, and the leakage of the elbow joint in a water-rich environment is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the end part of the straight pipe is connected with the end part of the bent pipe, the straight pipe is aligned with the end part of the bent pipe, then the oversleeve of the straight pipe is inserted into the bent pipe, then the straight pipe is abutted to the inner side of the bent part of the bent pipe through the arc abutting plate, the arc length bisector of the arc abutting plate also bisects the arc length of the bent pipe, then the straight pipe is clamped through the clamping piece, the rotating screw rod rotates, the sleeve slides along the length direction of the sliding rod under the limit of the sliding rod, the sleeve drives the support plate to move towards the arc abutting plate, the support plate is of a telescopic structure, the support rod drives the clamping piece to move along the axial direction of the straight pipe, the support rod drives the straight pipe to move towards the bent pipe through branchiness, the oversleeve is tightly inserted into the bent pipe through the sealing layer, and the tightness degree of the ball-milling cast iron pipe when the bent pipe is connected is improved under the water-rich environment, meanwhile, the leakage at the joint of the bent pipe and the straight pipe is reduced;
2. carry out the in-process that presss from both sides tightly to the straight tube, with the chain winding to the straight tube on, pass the bull stick with chain one end again, behind the chain chucking straight tube, again with joint tooth and chain engaged with to make the clamping piece carry out the chucking to the straight tube, branch just can drive the straight tube and move towards the return bend.
Drawings
FIG. 1 is an overall structure diagram of a large-caliber ball-milling cast iron pipe system in a water-rich environment according to an embodiment of the present application.
FIG. 2 is an exploded view of the connection of a curved pipe and a straight pipe according to the embodiment of the present invention.
Fig. 3 is an overall structural view of a clamp according to an embodiment of the present application.
Fig. 4 is an overall configuration diagram of an alignment apparatus according to an embodiment of the present application.
Description of reference numerals: 1. bending the pipe; 2. a straight pipe; 3. sleeving sleeves; 4. a fastening device; 41. an abutting member; 411. an arc abutting plate; 412. rotating the screw; 413. a sleeve; 414. a slide bar; 42. a clamping device; 421. a support; 4211. a support plate; 4212. a strut; 422. a clamping member; 4221. a chain; 4222. clamping teeth; 5. a sealing layer; 6. a rotating rod; 7. a resisting plate; 8. a clamping piece; 81. fastening a screw rod; 82. a clamping and connecting plate; 9. an alignment device; 91. a first arcuate ring; 92. a second arcuate ring; 10. a telescopic rod; 11. and a ball.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a large-caliber ball-milling cast iron pipe system in a water-rich environment. Referring to fig. 1 and 2, the large-caliber ball-milling cast iron pipe system in the water-rich environment comprises a bent pipe 1, a straight pipe 2, a fastening device 4 and an alignment device 9. The end part of the straight tube 2 is coaxially welded with the oversleeve 3 inserted into the bent tube 1, and the diameter of the oversleeve 3 is gradually reduced along the direction far away from the straight tube 2, so that the oversleeve 3 can be conveniently inserted into the bent tube 1. The outer ring of the sleeve 3 is provided with a sealing layer 5 in a sleeving and bonding manner, and in the embodiment, the sealing layer 5 is a rubber pad. The fastening means 4 is used for fastening the cuff 3 in the curved tube 1 and the alignment means 9 is used for aligning the end of the curved tube 1 with the end of the straight tube 2.
As shown in fig. 1, the fastening device 4 comprises an arc-shaped abutment 41 for abutting the bent pipe 1 and a clamping device 42 for clamping the straight pipe 2. Arc butt spare 41 is including the arc butt board 411 that is used for butt return bend 1 department of buckling, and arc butt board 411 carries out integrated into one piece according to the radian of buckling of return bend 1 department of buckling for arc butt board 411's arc can laminate mutually with the radian of return bend 1 department of buckling. The arc abutting plate 411 is provided with a clamping piece 8 for clamping the elbow 1, and the clamping piece 8 comprises a fastening screw 81 and a clamping plate 82. Fastening screw 81 and arc butt joint board 411 threaded connection, fastening screw 81 pass arc butt joint board 411 along the arc length bisector of arc butt joint board 411, and arc butt joint board 411 is continuous with joint plate 82 screw thread along the one end of keeping away from rotation screw 412, forms the joint space of return bend 1 between joint plate 82 and the arc butt joint board 411. In this embodiment, the clamping plate 82 is also integrally formed according to the bending radian of the bent pipe 1, so that the arc of the arc abutting plate 411 can be attached to the radian of the bent pipe 1.
As shown in fig. 1, a rotation screw 412 is rotatably connected to an arc length bisector of the arc abutting plate 411 through a bearing, a screw head is welded to one end of the rotation screw 412, which is far away from the arc abutting plate 411, and a sleeve 413 is sleeved on the rotation screw 412 and in threaded connection with the rotation screw 412. The arc abutting plate 411 is welded with a sliding rod 414 along a length direction parallel to the rotating screw 412, and the sliding rod 414 passes through the sleeve 413 and is connected with the sleeve 413 in a sliding manner. The clamping device 42 comprises a support 421 and a clamp 422 for clamping the straight tube 2. The support 421 comprises a support plate 4211 and a support rod 4212, the axis of the support plate 4211 is parallel to the axis of the straight pipe 2 when the straight pipe 2 is connected with the bent pipe 1, and the axis of the support rod 4212 is vertical to the axis of the straight pipe 2 when the straight pipe 2 is connected with the bent pipe 1. The support rod 4212 is of a telescopic structure, and the distance between the support rod 4212 and the straight pipe 2 can be adjusted. One end of the support plate 4211 is welded with the sleeve 413, and one end of the support rod 4212 is welded with the support plate 4211.
With reference to fig. 1 and 3, the clamping member 422 includes a chain 4221, and after the chain 4221 is wound around the outer surface of the straight pipe 2, the chain 4221 can be clamped with the straight pipe 2 according to the arc shape of the straight pipe 2. One end of the chain 4221 is rotatably connected with one end of the support rod 4212 far away from the support plate 4211 through a hinge through a rotating rod 6, a channel for the other end of the chain 4221 to penetrate is formed in the rotating rod 6, and clamping teeth 4222 used for being meshed with the chain 4221 are welded at the same ends of the support rod 4212 and the rotating rod 6. The straight pipe 2 is sleeved with and welded with a resisting plate 7 which is used for abutting against a chain 4221, after the straight pipe 2 is clamped by the chain 4221, the chain 4221 abuts against the resisting plate 7, and the straight pipe 2 can be further driven to move.
With reference to fig. 1 and 4, the alignment device 9 comprises a first arc-shaped ring 91 and a second arc-shaped ring 92. The arc of first arc ring 91 is according to the radian integrated into one piece of return bend 1, and first arc ring 91 is used for with 1 tip looks joint of return bend. The arc of second arc ring 92 is according to the radian integrated into one piece of straight tube 2, and second arc ring 92 is used for 2 tip looks joints of straight tube. The first arc-shaped ring 91 and the second arc-shaped ring 92 are connected through the telescopic rod 10, and two ends of the telescopic rod 10 are respectively welded with the first arc-shaped ring 91 and the second arc-shaped ring 92. The inner surfaces of the first arc-shaped ring 91 and the second arc-shaped ring 92 are embedded and are rotatably connected with a plurality of balls 11 for converting sliding friction into rolling friction.
The construction method of the large-caliber ball-milling cast iron pipe system in the water-rich environment comprises the following steps:
step one, two straight pipes 2 are respectively placed at the end part of an elbow pipe 1, then two first arc-shaped rings 91 are respectively clamped at the end part of the elbow pipe 1, the length of a telescopic rod 10 is prolonged, then the end part of the straight pipe 2 is clamped with a second arc-shaped ring 92, so that the axis of the end part of the elbow pipe 1 is basically coaxial with the axis of the straight pipe 2, the end part of the elbow pipe 1 is basically aligned with the end part of the straight pipe 2, and then the straight pipe 2 is slid along the length direction of the telescopic rod 10, so that a sleeve 3 of the straight pipe 2 is inserted into the elbow pipe 1;
step two, abutting the arc abutting plate 411 with a bent part on the inner side of the elbow pipe 1, enabling an arc length bisector of the arc abutting plate 411 to equally divide the arc length of the elbow pipe 1, clamping the clamping plate 82 to the elbow pipe 1 on the opposite surface of the arc abutting plate 411, rotating the fastening screw 81 in threaded connection with the arc abutting plate 411, enabling the fastening screw 81 to penetrate through a threaded hole in the clamping plate 82 and be in threaded connection with the clamping plate 82, and enabling the elbow pipe 1 to be clamped in an elbow pipe 1 clamping space formed between the clamping plate 82 and the arc abutting plate 411;
step three, the length of the second support rod 4212 is expanded, the end portion of the second support rod 4212 is close to the straight pipe 2, the chain 4221 is wound on the straight pipe 2, the chain 4221 is abutted against the abutting plate 7, the end portion of the chain 4221 penetrates through the rotating rod 6, the straight pipe 2 is wound and clamped by the chain 4221, and then the clamping tooth 4222 is meshed with the chain 4221, so that the clamping piece clamps the straight pipe 2;
step four, the rotating screw 412 is rotated, so that the sleeve 413 slides along the length direction of the sliding rod 414 under the limiting of the sliding rod 414, the sleeve 413 drives the support plate 4211 to move towards the arc abutting plate 411, the support rod 4212 is of a telescopic structure, the length of the support rod 4212 changes, the support plate 4211 drives the support rod 4212 to move along the axis direction of the straight pipe 2, the support rod 4212 is abutted against the abutting plate 7 through the clamping piece 422 and the chain 4221, the straight pipe 2 is driven to move towards the bent pipe 1, the sleeve 3 is tightly inserted into the bent pipe 1 through the rubber sealing layer 5, and finally the joint of the bent pipe 1 and the straight pipe 2 is welded.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a heavy-calibre ball-milling cast iron pipe system under rich water environment which characterized in that: the pipe comprises an elbow pipe (1) and a straight pipe (2), a sleeve (3) used for being inserted into the elbow pipe (1) is coaxially arranged at the end part of the straight pipe (2), the pipe further comprises a fastening device (4) used for fastening the sleeve (3) in the elbow pipe (1), a sealing layer (5) is arranged on the outer ring of the sleeve (3), the fastening device (4) comprises an arc abutting part (41) used for abutting against the elbow pipe (1) and a clamping device (42) used for clamping the straight pipe (2), the arc abutting part (41) comprises an arc abutting plate (411) used for abutting against the bent part of the elbow pipe (1), a rotating screw rod (412) is rotatably connected to the arc length bisector of the arc abutting plate (411), a sleeve (413) is sleeved and connected to the rotating screw rod (412) in a threaded manner, a sliding rod (414) is arranged on the arc abutting plate (411) along the length direction parallel to the rotating screw rod (412), the sliding rod (414) penetrates through the sleeve (413) and is in sliding connection with the sleeve (413), the clamping device (42) comprises a support (421) and a clamping piece (422) used for clamping the straight pipe (2), the support (421) comprises a support plate (4211) and a support rod (4212), the support rod (4212) is of a telescopic structure, the axis of the support plate (4211) is parallel to the axis of the straight pipe (2) when the straight pipe (2) is connected with the bent pipe (1), the axis of the straight pipe (2) is perpendicular to the axis of the support plate (4212) when the straight pipe (2) is connected with the bent pipe (1), one end of the support plate (4211) is connected with the sleeve (413), the clamping piece (422) is arranged at one end of the support rod (4212), and one end, far away from the clamping piece (422), of the support rod (4212) is connected with the support plate (4211).
2. The system of claim 1, wherein the system comprises: the sleeve (3) is gradually reduced in diameter along the direction far away from the straight pipe (2).
3. The system of claim 1, wherein the system comprises: clamping piece (422) include chain (4221), the tip that chain (4221) one end was passed through bull stick (6) and branch (4212) rotates mutually and is connected, be provided with the passageway that supplies the chain (4221) other end to pass on bull stick (6), branch (4212) and bull stick (6) are provided with joint tooth (4222) that are used for meshing mutually with chain (4221) with the end.
4. The system of claim 3, wherein the system comprises: and a butting plate (7) which is used for butting against the chain (4221) is sleeved and fixed on the straight pipe (2).
5. The system of claim 1, wherein the system comprises: be provided with joint spare (8) that are used for joint return bend (1) on arc butt joint board (411), joint spare (8) include fastening screw (81) and joint board (82), fastening screw (81) and arc butt joint board (411) threaded connection, fastening screw (81) pass arc butt joint board (411) along the arc length bisector of arc butt joint board (411), arc butt joint board (411) link to each other with joint board (82) screw thread along the one end of keeping away from rotating screw (412), form the joint space of return bend (1) between joint board (82) and arc butt joint board (411).
6. The system of claim 1, wherein the system comprises: still including alignment device (9) that are used for return bend (1) tip and straight tube (2) tip to align, alignment device (9) include first arc ring (91) and second arc ring (92), first arc ring (91) are used for with return bend (1) tip looks joint, second arc ring (92) are used for straight tube (2) tip looks joint, first arc ring (91) and second arc ring (92) link to each other through telescopic link (10).
7. The system of claim 6, wherein the system comprises: the inner surfaces of the first arc-shaped ring (91) and the second arc-shaped ring (92) are embedded and are connected with a plurality of balls (11) in a rotating mode.
8. A construction method of a heavy caliber nodular cast iron pipe system in a water-rich environment, which uses the heavy caliber nodular cast iron pipe system in the water-rich environment according to any one of claims 1 to 7, and is characterized in that: the method comprises the following steps:
firstly, two first arc-shaped rings (91) are respectively clamped at the end part of a bent pipe (1), and then a telescopic rod (10) is stretched to ensure that the end part of a straight pipe (2) is clamped with a second arc-shaped ring (92), so that the end part of the bent pipe (1) is aligned with the end part of the straight pipe (2), and a sleeve (3) of the straight pipe (2) is inserted into the bent pipe (1);
secondly, abutting the arc abutting plate (411) with the bent part of the bent pipe (1), enabling an arc length bisector of the arc abutting plate (411) to bisect the arc length of the bent pipe (1), and fixing the arc abutting plate (411) on the bent pipe (1) through a clamping piece (8);
step three, clamping the straight pipe (2) through a clamping piece (422), and enabling the chain (4221) to be abutted against the abutting plate (7);
and fourthly, rotating the rotating screw (412) to enable the sleeve (413) to drive the support plate (4211) to move, enabling the support plate (4211) to drive the support rod (4212) to move along the axis direction of the straight pipe (2), enabling the support rod (4212) to drive the straight pipe (2) to move towards the inside of the bent pipe (1) through the clamping piece (8), and enabling the straight pipe (2) and the bent pipe (1) to be clamped tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559167.1A CN113202997B (en) | 2021-05-21 | 2021-05-21 | Large-caliber ball-milling cast iron pipe system in water-rich environment and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110559167.1A CN113202997B (en) | 2021-05-21 | 2021-05-21 | Large-caliber ball-milling cast iron pipe system in water-rich environment and construction method thereof |
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| CN113202997A true CN113202997A (en) | 2021-08-03 |
| CN113202997B CN113202997B (en) | 2022-06-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418074A (en) * | 2021-08-09 | 2021-09-21 | 黄加武 | Quick pipeline positioning structure is used in water and electricity installation |
| CN114562609A (en) * | 2022-01-26 | 2022-05-31 | 浙江美宁电器有限公司 | Reinforcing device for air pipe inside integrated cooker and mounting method thereof |
| CN114738560A (en) * | 2022-03-22 | 2022-07-12 | 彭争争 | Urban gas engineering pipeline turning strutting arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418074A (en) * | 2021-08-09 | 2021-09-21 | 黄加武 | Quick pipeline positioning structure is used in water and electricity installation |
| CN114562609A (en) * | 2022-01-26 | 2022-05-31 | 浙江美宁电器有限公司 | Reinforcing device for air pipe inside integrated cooker and mounting method thereof |
| CN114562609B (en) * | 2022-01-26 | 2023-12-29 | 浙江美宁电器有限公司 | Reinforcing device for air pipe inside integrated stove and mounting method thereof |
| CN114738560A (en) * | 2022-03-22 | 2022-07-12 | 彭争争 | Urban gas engineering pipeline turning strutting arrangement |
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