CN213900241U

CN213900241U - Mounting system for Czochralski method in PCCP (prestressed concrete cylinder pipe)

Info

Publication number: CN213900241U
Application number: CN202022860375.9U
Authority: CN
Inventors: 宣根; 沈方丽; 吴惠娟; 赵吉烽
Original assignee: Zhejiang Zhuan Construction Group Co ltd
Current assignee: Zhejiang Zhuan Construction Group Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-08-06
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to an intraductal pulling method installing the system of PCCP belongs to the field of piping erection technique, including first pipe fitting and second pipe fitting, the socket of first pipe fitting inserts in the socket of second pipe fitting, first pipe fitting with be equipped with interior pulling mechanism in the second pipe fitting, interior pulling mechanism includes atress outer beam, atress inner beam, connecting rod, tension member, the atress outer beam support tightly in the end wall of the socket department of first pipe fitting, the atress inner beam support tightly in the end wall of the socket department of second pipe fitting, the connecting rod set up in the atress inner beam, tension member's one end connect in the connecting rod, tension member's the other end connect in the atress outer beam. The installation quality improving device has the effect of reducing the shaking of the PCCP during installation so as to improve the installation quality.

Description

Mounting system for Czochralski method in PCCP (prestressed concrete cylinder pipe)

Technical Field

The application relates to the field of pipeline installation technology, in particular to a PCCP (prestressed concrete cylinder pipe) in-pipe pulling method installation system.

Background

The PCCP (prestressed concrete cylinder pipe) is a water delivery pipe which is manufactured by winding circumferential prestressed steel wires on a high-strength concrete pipe core with a steel cylinder and spraying a compact cement mortar protective layer on the prestressed steel wires. The composite pipe consists of thin steel plate, high strength steel wire and concrete, and has the tensile, easy sealing, compression and corrosion resisting performance of concrete, high sealing performance, high strength and high impermeability. The PCCP is widely applied to long-interval water delivery main lines, pressure inverted siphons, urban water supply projects, industrial pressure water delivery pipelines, power plant circulating water project sewer pipelines, pressure sewage discharge main pipes and the like. Compared with the prior pipe, the PCCP has the advantages of wide application range, long economic life, good anti-seismic performance, convenient installation, low operation degree, no water leakage and the like.

The conventional connection mode of the PCCP pipe at present is that a rubber sealing ring is sleeved at a socket of the PCCP pipe to be installed, lubricating grease is coated at the socket of the PCCP pipe to be installed and a socket of the installed PCCP pipe, then the PCCP pipe to be installed is directly hoisted by a hoisting device, and a socket of the PCCP pipe to be installed is directly inserted into the socket of the installed PCCP pipe, so that the primary connection of the two adjacent PCCP pipes is completed.

In view of the above-mentioned related technologies, the inventor believes that, due to the inherent defect of the hoisting method, the PCCP pipe to be installed shakes greatly in the manner of directly hoisting and installing two adjacent PCCP pipes, which not only easily causes collision damage to the PCCP pipe, but also reduces the installation quality of the PCCP pipe.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the PCCP pipe is hoisted and installed and shakes great influence installation quality, the application provides a mounting system for a Czochralski method in the PCCP pipe.

The application provides a pulling method installation system in PCCP adopts following technical scheme:

the utility model provides an intraductal pulling method installing the system of PCCP, includes first pipe fitting and second pipe fitting, the socket of first pipe fitting inserts in the socket of second pipe fitting, first pipe fitting with be equipped with interior pulling mechanism in the second pipe fitting, interior pulling mechanism includes atress outer beam, atress inner beam, connecting rod, tension member, the atress outer beam support tightly in the end wall of the socket of first pipe fitting, the atress inner beam support tightly in the end wall of the socket of second pipe fitting, the connecting rod set up in the atress inner beam, tension member's one end connect in the connecting rod, tension member's the other end connect in the atress outer beam.

By adopting the technical scheme, when the first pipe fitting and the second pipe fitting are installed in an inner pulling mode, only the stressed inner beam needs to be placed at the socket of the second pipe fitting, and the stressed inner beam is tightly abutted to the socket of the second pipe fitting. And then connecting a connecting rod on the stressed inner beam, and connecting a tension component on the connecting rod. And then the stressed outer beam is placed at the socket of the first pipe fitting, so that the stressed outer beam is tightly abutted against the end wall of the socket of the first pipe fitting, and then the tension component is connected with the stressed outer beam, thus finishing the installation of the internal tension mechanism. After the installation of the internal pulling mechanism is completed, the connecting rod and the stressed outer beam are pulled through the pulling force component, so that the first pipe fitting and the second pipe fitting are pulled to be close to each other, the socket of the first pipe fitting is inserted into the socket of the second pipe fitting, and the primary connection of the first pipe fitting and the second pipe fitting is completed. The PCCP pipe is pulled to slide on the ground in the whole process, and the weight of the PCCP pipe is large, so that the PCCP pipe is not easy to shake in the pulling process, and can be stopped at any time for adjustment even if the position of the PCCP pipe deviates a small amount, so that the connection quality of the PCCP pipe is improved.

Optionally, the tension component is a chain block, a first lifting hook is arranged on a shell of the chain block, the first lifting hook is connected with the connecting rod, a second lifting hook is arranged on a chain of the chain block, and the second lifting hook is connected with the stressed outer beam.

Through adopting above-mentioned technical scheme, chain block does not need the extra energy, only needs constructor drive chain block can stimulate first pipe fitting and second pipe fitting and install.

Optionally, be provided with adapting unit on the atress outer beam, adapting unit includes the lantern ring, go-between, connecting block and atress lifting hook, the lantern ring cover is located the atress outer beam, the go-between rotate connect in the lantern ring, the connecting block set up in the go-between, the atress lifting hook set up in the connecting block, the atress lifting hook is detained in the second lifting hook.

By adopting the technical scheme, when the chain block and the stressed outer beam are connected, the stressed lifting hook is directly buckled into the second lifting hook. And the connecting ring is rotationally connected with the lantern ring, so that when the connecting part is not needed, the connecting ring, the connecting block and the stressed lifting hook can automatically rotate to be stored.

Optionally, the connecting component further comprises a mounting seat and a mounting rod, the mounting seat is fixedly arranged on the lantern ring, the mounting rod penetrates through the mounting seat in a rotating mode, and the connecting ring is arranged on the mounting rod.

Through adopting above-mentioned technical scheme, the go-between can transmit power for the installation pole, and the installation pole then transmits power for the mount pad, and the mount pad links to each other with the lantern ring, and the lantern ring can be better transmit power for the atress outer beam.

Optionally, the connecting block with be provided with the anticreep part on the atress lifting hook, the anticreep part includes anticreep base, anticreep connecting rod, anticreep ring, anticreep screw rod, the anticreep base fixed set up in the connecting block, the anticreep connecting rod rotates to run through the anticreep base, the atress lifting hook with the anticreep connecting rod links to each other, the anticreep ring set up in the atress lifting hook, the anticreep screw rod set up in the connecting block just wears to locate the anticreep is intra-annular.

By adopting the technical scheme, after the stress lifting hook is buckled into the second lifting hook, the stress lifting hook is rotated to enable the anti-falling ring to rotate to the anti-falling screw rod, and then the anti-falling screw rod is screwed to enable the anti-falling screw rod to extend into the anti-falling ring. At the moment, the two ends of the stressed lifting hook are provided with a stress point, so that the stability is improved, and the possibility that the stressed lifting hook is separated from the second lifting hook is reduced.

Optionally, one end of the anti-falling screw rod penetrating into the anti-falling ring is provided with a chamfer.

Through adopting above-mentioned technical scheme, set up the chamfer on the anticreep screw rod, can improve the anticreep screw rod and stretch into the intramural smooth and easy degree of anticreep.

Optionally, the go-between with be provided with the rotation piece on the connecting block, it includes swivel becket, dwang and anticreep piece to rotate the piece, the swivel becket fixed set up in the go-between, the dwang fixed set up in the connecting block, just the dwang is worn to locate in the swivel becket, anticreep piece fixed connection in the dwang.

Through adopting above-mentioned technical scheme, through the cooperation of swivel becket and dwang, can take place relative rotation between go-between and the connecting block, at this moment, the angle automatically regulated of connecting block and atress lifting hook can be according to chain block.

Optionally, a positioning bolt is connected to the lantern ring in a threaded manner, and the positioning bolt penetrates through the lantern ring and abuts against the stressed outer beam.

Through adopting above-mentioned technical scheme, the position of the lantern ring on the atress outer beam can be adjusted to adjust the position of whole adapting unit according to actual construction needs.

Optionally, be provided with the atress part on the connecting rod, the atress part includes atress piece, atress cable and set nut, the atress piece is worn to locate the connecting rod, set nut have two and all with connecting rod threaded connection, two set nut is located the both sides of atress piece, the atress cable connect in the atress piece, the atress cable is worn to locate in the first lifting hook.

By adopting the technical scheme, the stress cable is buckled into the first lifting hook, and then the positioning nut is screwed to adjust the position of the stress block so as to pre-tighten and install the hand-pulling block.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the internal pulling mechanism, a constructor can pull the stressed inner beam and the stressed outer beam through the pulling part so as to pull the first pipe fitting and the second pipe fitting to approach each other to finish connection, and the PCCP pipe is pulled to slide on the ground in the pulling process and has larger self weight, so the PCCP pipe is not easy to shake in the pulling process, and can be stopped at any time for adjustment even if the position of the PCCP pipe deviates a little, so that the connection quality of the PCCP pipe is improved;

2. the connecting part capable of adjusting the position on the stressed outer beam is arranged, so that the adjusting can be better carried out according to the construction requirement, and in addition, when the connecting part is not needed, the connecting part automatically rotates to be stored;

3. through setting up anticreep part, improve the stress point of atress lifting hook with better transmission pulling force in, reduce the possibility that atress lifting hook and second lifting hook break away from.

Drawings

Fig. 1 is a schematic structural diagram of the whole of the embodiment of the present application, and is used for showing the installation structure of the internal pulling mechanism in the first pipe fitting and the second pipe fitting.

Fig. 2 is a schematic structural diagram of a force receiving member according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a connecting member according to an embodiment of the present application.

Fig. 4 is a schematic diagram of an explosive structure according to an embodiment of the present application, which is used for illustrating the structures of the rotating member and the anti-slip member.

Description of reference numerals: 11. a first pipe member; 12. a second pipe member; 21. a stressed outer beam; 22. a stressed inner beam; 23. a connecting rod; 24. a chain block; 25. a first hook; 26. a second hook; 3. a force-receiving member; 31. a stress block; 32. a stress cable; 33. positioning a nut; 4. a connecting member; 41. a collar; 42. positioning the bolt; 43. a mounting seat; 44. mounting a rod; 45. a connecting ring; 46. connecting blocks; 47. a stressed hook; 5. a rotating member; 51. a rotating ring; 52. rotating the rod; 53. an anti-drop block; 6. an anti-drop component; 61. an anti-drop base; 62. an anti-drop connecting rod; 63. the anti-drop ring; 64. and (4) an anti-drop screw rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a mounting system for a Czochralski method in a PCCP (prestressed concrete cylinder pipe).

Referring to fig. 1, the PCCP pipe internally-drawing installation system includes a first pipe member 11 and a second pipe member 12, and a socket of the first pipe member 11 is inserted into a socket of the second pipe member 12 to preliminarily connect the first pipe member 11 and the second pipe member 12.

Referring to fig. 1 and 2, an inner pulling mechanism for pulling the first pipe member 11 and the second pipe member 12 close to each other is provided in the first pipe member 11 and the second pipe member 12. The inner pulling mechanism comprises a stressed outer beam 21, a stressed inner beam 22, a connecting rod 23 and a pulling force component, wherein the stressed outer beam 21 is positioned outside the first pipe fitting 11, and the stressed outer beam 21 is tightly propped against the end wall of the socket of the first pipe fitting 11; the force-bearing inner beam 22 is located in the second pipe 12, and the force-bearing inner beam 22 abuts against the end wall of the socket of the second pipe 12. The two connecting rods 23 are fixed on the stressed inner beam 22 through nuts, the connecting rods 23 are perpendicular to the stressed inner beam 22, and the two stressed inner beams 22 are located at two ends of the stressed inner beam 22.

Referring to fig. 1, the tension member has two and all chain blocks 24, and a first hook is connected to a housing of the chain block 24, and a second hook 26 is connected to a hand chain of the chain block 24. The first hook is connected to the connecting rod 23 and the second hook is connected to the stressed outer beam 21.

Referring to fig. 1 and 2, each connecting rod 23 is provided with a force-receiving member 3 for connecting with the first hook 25, and the force-receiving member 3 includes a force-receiving block 31, a force-receiving cable 32 and a positioning nut 33. The stress block 31 penetrates through the connecting rod 23, the stress block 31 is connected with the connecting rod 23 in a sliding mode, two ends of the stress cable 32 are fixedly connected to the stress block 31, and the stress cable 32 penetrates through the first lifting hook 25. Two positioning nuts 33 are connected with the connecting rod 23 in a threaded mode, the stress block 31 is located between the two positioning nuts 33, and the two positioning nuts 33 form locking positioning for the stress block 31.

Referring to fig. 1 and 3, the stressed outer beam 21 is provided with a connecting part 4 for connecting with the second hook 26, the connecting part 4 includes a collar 41, a mounting seat 43, a mounting rod 44, a connecting ring 45, a connecting block 46 and a stressed hook 47, two collars 41 are slidably sleeved on the stressed outer beam 21, each collar 41 is threadedly connected with two positioning bolts 42, and the positioning bolts 42 penetrate through the collars 41 and are tightly abutted against the stressed outer beam 21, so as to position the collars 41. The mounting seat 43 is fixedly connected to the outer side wall of the collar 41, the mounting rod 44 rotatably penetrates through the mounting seat 43, and the connecting ring 45 is fixedly connected to the mounting rod 44, so that the connecting ring 45 is rotatably connected with the collar 41.

Referring to fig. 3 and 4, the connection block 46 is connected to the connection ring 45, and the rotation member 5 is provided on the connection block 46 and the connection ring 45. The rotating part 5 comprises a rotating ring 51, a rotating rod 52 and an anti-falling block 53, the rotating ring 51 is fixedly connected to one end, away from the mounting seat 43, of the connecting ring 45, the rotating rod 52 is vertically and fixedly connected to one side, close to the connecting ring 45, of the connecting block 46, and one end, away from the connecting block 46, of the rotating rod 52 penetrates through the connecting ring 45. The anti-dropping block 53 is fixedly connected to the rotating rod 52, and the anti-dropping block 53 is located at an end of the rotating rod 52 far away from the connecting block 46 to reduce the possibility that the rotating rod 52 is dropped out of the rotating ring 51.

Referring to fig. 4, the force receiving hook 47 is provided on the side of the connecting block 46 away from the connecting ring 45, and the force receiving hook 47 and the connecting block 46 are provided with a disengagement preventing member 6 for reducing the force receiving hook 47 from disengaging from the second hook 26. Anticreep part 6 includes anticreep base 61, anticreep connecting rod 62, anticreep ring 63, anticreep screw rod 64, and anticreep base 61 fixed connection keeps away from one side of go-between 45 in connecting block 46, and anticreep connecting rod 62 rotates and runs through anticreep base 61, and the one end fixed connection of atress lifting hook 47 is in anticreep screw rod 64 to realize that atress lifting hook 47 is connected with connecting block 46's rotation. The anti-falling ring 63 is fixedly connected to one end, far away from the anti-falling connecting rod 62, of the stress lifting hook 47, the anti-falling screw 64 is in threaded connection with the connecting block 46, the anti-falling screw 64 penetrates through the connecting rod 23, and a chamfer is arranged at one end, far away from the bolt head, of the anti-falling screw 64 and extends into the anti-falling ring 63.

The implementation principle of the installation system adopting the Czochralski method in the PCCP pipe is as follows:

when the first pipe fitting 11 and the second pipe fitting 12 are installed in an inward pulling mode, the stressed outer beam 21 is placed at the socket of the first pipe fitting 11, and the stressed outer beam 21 is tightly abutted to the end wall of the socket of the first pipe fitting 11. Then, the second hook 26 of the chain block 24 is buckled into the stressed hook 47, and then the stressed hook 47 is rotated, and the anti-falling screw 64 is screwed to make one end of the anti-falling screw 64 far away from the bolt head extend into the anti-falling ring 63. At this point, the connection between the stressed outer beam 21 and the chain block 24 is completed.

Then the stressed inner beam 22 is placed at the socket of the second pipe fitting 12, the stressed inner beam 22 is tightly abutted against the socket of the second pipe fitting 12, and then the stressed inner beam 22 is connected with the connecting rod 23. After the stressed inner beam 22 is placed, the stressed cable 32 is buckled into the first hook 25, the positioning nut 33 is screwed to adjust the position of the positioning block, and the positioning block pulls the stressed cable 32, so that the hand chain block 24 is pre-tightened and installed. So far, the connection between the chain block 24 and the stressed inner beam 22 is completed.

After the installation of the internal pulling mechanism is completed, the first pipe fitting 11 and the second pipe fitting 12 are pulled by only controlling the chain block 24 to be close to each other, so that the socket of the first pipe fitting 11 is inserted into the socket of the second pipe fitting 12, and the primary connection of the first pipe fitting 11 and the second pipe fitting 12 can be completed.

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

1. A PCCP in-pipe pulling installation system comprising a first pipe element (11) and a second pipe element (12), the spigot of the first pipe element (11) being inserted into the socket of the second pipe element (12), characterised in that: first pipe fitting (11) with be equipped with interior mechanism of pulling in second pipe fitting (12), interior mechanism of pulling includes atress outer beam (21), atress inner beam (22), connecting rod (23), tension part, atress outer beam (21) support tightly in the end wall of the socket department of first pipe fitting (11), atress inner beam (22) support tightly in the end wall of the socket department of second pipe fitting (12), connecting rod (23) set up in atress inner beam (22), tension part's one end connect in connecting rod (23), tension part's the other end connect in atress outer beam (21).

2. The PCCP pipe internally pulling installation system of claim 1, wherein: the tensile force part is chain block (24), be provided with first lifting hook (25) on the casing of chain block (24), first lifting hook (25) with connecting rod (23) are connected, be provided with second lifting hook (26) on the hand chain of chain block (24), second lifting hook (26) with atress outer beam (21) are connected.

3. The PCCP pipe internally pulling installation system of claim 2, wherein: be provided with adapting unit (4) on atress outer beam (21), adapting unit (4) are including the lantern ring (41), go-between (45), connecting block (46) and atress lifting hook (47), the lantern ring (41) cover is located atress outer beam (21), go-between (45) rotate connect in the lantern ring (41), connecting block (46) set up in go-between (45), atress lifting hook (47) set up in connecting block (46), atress lifting hook (47) are detained in second lifting hook (26).

4. The PCCP pipe internally pulling installation system of claim 3, wherein: the connecting component (4) further comprises an installation seat (43) and an installation rod (44), the installation seat (43) is fixedly arranged on the lantern ring (41), the installation rod (44) penetrates through the installation seat (43) in a rotating mode, and the connecting ring (45) is arranged on the installation rod (44).

5. The PCCP pipe internally pulling installation system of claim 3 or 4, wherein: connecting block (46) with be provided with anticreep part (6) on atress lifting hook (47), anticreep part (6) include anticreep base (61), anticreep connecting rod (62), anticreep ring (63), anticreep screw rod (64), anticreep base (61) fixed set up in connecting block (46), anticreep connecting rod (62) rotate and run through anticreep base (61), atress lifting hook (47) with anticreep connecting rod (62) link to each other, anticreep ring (63) set up in atress lifting hook (47), anticreep screw rod (64) set up in connecting block (46) and wear to locate in anticreep ring (63).

6. The PCCP pipe internally pulling installation system of claim 5, wherein: and a chamfer is arranged at one end of the anti-falling screw rod (64) penetrating into the anti-falling ring (63).

7. The PCCP pipe internally pulling installation system of claim 3 or 4, wherein: go-between (45) with be provided with on connecting block (46) and rotate piece (5), it includes swivel becket (51), dwang (52) and anticreep piece (53) to rotate piece (5), swivel becket (51) fixed set up in go-between (45), dwang (52) fixed set up in connecting block (46), just dwang (52) are worn to locate in swivel becket (51), anticreep piece (53) fixed connection in dwang (52).

8. The PCCP pipe internally pulling installation system of claim 3 or 4, wherein: and the lantern ring (41) is in threaded connection with a positioning bolt (42), and the positioning bolt (42) penetrates through the lantern ring (41) and is tightly propped against the stressed outer beam (21).

9. The PCCP pipe internally pulling installation system of claim 2, wherein: be provided with atress part (3) on connecting rod (23), atress part (3) are including atress piece (31), atress cable (32) and set nut (33), atress piece (31) is worn to locate connecting rod (23), set nut (33) have two and all with connecting rod (23) threaded connection, two set nut (33) are located the both sides of atress piece (31), atress cable (32) connect in atress piece (31), atress cable (32) are worn to locate in first lifting hook (25).