CN217934827U

CN217934827U - Connecting and sealing device for cable pipe in pipe pulling construction

Info

Publication number: CN217934827U
Application number: CN202221934456.1U
Authority: CN
Inventors: 卢国栋
Original assignee: Jiangsu Rongshuang Hydropower Construction Engineering Co ltd
Current assignee: Jiangsu Rongshuang Hydropower Construction Engineering Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-29
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a connection sealing device of trombone slide construction cable pipe belongs to cable pipe construction field, and it is provided with the traction couple including pulling sleeve and a plurality of countersunk head bolt on pulling the sleeve, pulls the sleeve and has seted up the seal groove, and the cable pipe is pegged graft in the seal groove, pulls telescopic lateral wall and has seted up a plurality of counter bores, counter bore and seal groove intercommunication, countersunk head bolt and counter bore one-to-one, and countersunk head bolt tightly supports with the cable pipe. This application has the sealed effect that improves the cable pipe and pull the end, reduces the effect that the condition in the reaming in-process silt entered into the cable pipe.

Description

Connecting and sealing device for cable pipe in pipe pulling construction

Technical Field

The application relates to the technical field of cable pipe construction, in particular to a connecting and sealing device for a cable pipe in pull pipe construction.

Background

At present, due to the complexity of urban construction, open excavation cannot be performed in many cases, such as passing places and the like, and laying construction of cable pipes is performed in a non-excavation mode of pipe pulling.

The common pipe-pulling construction mode is that a drill bit is connected through power station equipment, the drill bit drills into the ground to drill out a cable pipe laying channel, then the drill bit stretches out from the other end on the ground, then the reamer is replaced after the drill bit is taken down, the cable pipe is fixed on the reamer, the power station equipment pulls back the reamer, the reamer widens the cable pipe laying channel while pulling the cable pipe to pass through the cable laying channel, and when the cable pipe passes through the cable laying channel, the construction of the cable pipe can be completed.

The traditional method for connecting the cable pipe and the drill bit comprises the steps of plugging a section of wood into the cable pipe, drilling the cable pipe and the wood together, penetrating a steel wire rope into the drilled hole, and finally connecting the cable pipe to the reamer through the steel wire rope.

To the correlation technique among the above-mentioned, because the roundness of wood is not enough, it is not good to fill in the leakproofness in the cable duct, and silt and water are advanced easily at towed in-process to the cable duct to lead to follow-up silt and water to be stained with on the cable and influence the cable quality when carrying out the cable threading easily.

SUMMERY OF THE UTILITY MODEL

In order to improve the sealed effect of cable pipe traction end, reduce the condition that silt entered into in the cable pipe at reaming in-process, this application provides a connection sealing device of trombone slide construction cable pipe.

The application provides a pair of connection sealing device of trombone slide construction cable pipe adopts following technical scheme:

the utility model provides a connection sealing device of trombone slide construction cable pipe, is including pulling sleeve and a plurality of countersunk head bolt, it pulls the couple to be provided with on the sleeve to pull, it has seted up the seal groove to pull the sleeve, and the cable pipe is pegged graft in the seal groove, it has seted up a plurality of counter bores to pull telescopic lateral wall, counter bore and seal groove intercommunication, countersunk head bolt and counter bore one-to-one, countersunk head bolt tightly supports with the cable pipe.

By adopting the technical scheme, one end of the steel wire rope is fixed on the traction hook, the other end of the steel wire rope is fixed on the reamer, when the reamer pulls the traction sleeve to move, the cable pipe is fixed in the sealing groove due to the fact that the sunk bolts on the traction sleeve tightly abut against the cable pipe, the traction sleeve drives the cable pipe to move, the traction sleeve seals the head of the cable pipe, and the situation that silt and water flow into the cable pipe from the opening of the cable pipe is reduced.

Optionally, the sealing groove is divided into a first groove and a second groove, the first groove and the second groove are communicated with each other, a first sealing ring is sleeved on the cable pipe, the outer side of the first sealing ring is abutted to the inner side wall of the first groove, the inner side of the first sealing ring is abutted to the outer side of the cable pipe, and one end face of the first sealing ring is abutted to the inner bottom wall of the first groove.

Through adopting above-mentioned technical scheme, behind first sealing washer with cable pipe cover, stretch into first recess with the cable pipe in, after first sealing washer supported the inner wall of first recess, reuse countersunk head bolt fixed with the cable pipe to improve and pull telescopic leakproofness, reduced the condition that water flowed through then bore in the cable pipe from the gap between the inner wall of pulling the sleeve and the cable pipe.

Optionally, the cable pipe is sleeved with a protection washer, the protection washer is located in the first sealing groove, and the countersunk head bolts tightly abut against the protection washer.

Through adopting above-mentioned technical scheme, the countersunk head bolt tightly supports the protection packing ring, has replaced the countersunk head bolt directly to tightly support with the cable pipe, reduces the countersunk head bolt and with the condition of cable pipe extrusion fracture, has strengthened the protection to the cable pipe.

Optionally, a support sleeve is arranged in the first groove, one end of the support sleeve is abutted against the first sealing ring, and the other end of the support sleeve is abutted against the protection gasket.

Through adopting above-mentioned technical scheme, the support sleeve plays spacing effect to first sealing washer, thereby when reducing to pull the sleeve and drawing the cable duct and lay, thereby the first sealing washer off normal appears and influences the sealed effect of first sealing washer.

Optionally, a reinforcing component for reinforcing and clamping the cable tube is arranged on the traction sleeve.

Through adopting above-mentioned technical scheme, consolidate the subassembly and make the cable duct fix in pulling the sleeve more firmly, reduce the condition that pulls sleeve and cable duct and break away from each other at the in-process of laying.

Optionally, it includes seal cover and two semicircle clamps to consolidate the subassembly, and the cable duct is worn to establish the seal cover, seal cover bolted connection is on traction sleeve, the seal cover seals the oral area of seal groove, seal cover and two semicircle clamp sliding connection, two semicircle clamp relative distribution, the both ends of semicircle clamp all are provided with the fixed block, the fixed orifices has been seted up on the fixed block, two fixed block one-to-one on the semicircle clamp, and the fixed orifices on two corresponding fixed blocks communicate each other, two are corresponding a clamping screw is worn to be equipped with in the fixed orifices, the equal threaded connection in both ends of clamping screw has fixation nut, fixation nut supports tightly, two with the tip of fixed orifices the semicircle clamp presss from both sides tight cable duct.

Through adopting above-mentioned technical scheme, pass the cable duct the seal cover, then with seal cover bolted connection on pulling the sleeve, remove two semicircle clamps after that and be close to each other and detain the cable duct, then pass two corresponding fixed blocks with clamping screw, then screw up fixation nut at clamping screw's both ends to make fixation nut tightly support the fixed block, two semicircle clamps at this moment press from both sides tight cable duct, thereby make the firm fixing of cable duct pull in the sleeve.

Optionally, the cable pipe is sleeved with a second sealing ring, and the inner side wall of the semicircular hoop is tightly abutted to the second sealing ring.

Through adopting above-mentioned technical scheme, the leakproofness of semicircle clamp has been strengthened to the second sealing washer, reduces the water and flows in the condition of drawing the sleeve from the gap between semicircle clamp and the cable pipe.

Optionally, the traction sleeve is provided with a plurality of blades on the circumferential surface.

By adopting the technical scheme, when soil still sinks to block the traction sleeve after the hole expansion of the reamer and the traction sleeve is laid, the blade is used for stirring and crushing the sunk soil, so that the traction sleeve can normally drive the cable pipe to lay.

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

1. one end of the cable pipe is fixed in the traction sleeve through a countersunk head bolt and a semicircular hoop, the reamer drives the traction sleeve to move, and the traction sleeve drives the cable pipe to move, so that the condition that silt in a soil body enters the cable pipe from the opening of the cable pipe in the traction process to influence the subsequent cable laying is reduced;

2. the first sealing washer tightly supports the lateral wall of first recess, and the second sealing washer tightly supports with the inside wall of semicircle clamp to improve the leakproofness of pulling sleeve and semicircle clamp, reduced the condition that water flow in pull the oral area of sleeve back follow cable pipe and enter into in the cable pipe.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying a reinforcing component according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of the reference numerals: 1. a traction sleeve; 11. a sealing groove; 111. a first groove; 112. a second groove; 12. a counter bore; 13. a blade; 14. hooking; 2. a first seal ring; 3. a support sleeve; 4. a protective washer; 5. a countersunk head bolt; 6. a reinforcement assembly; 61. a sealing sleeve; 62. a second seal ring; 63. fixing the screw rod; 64. a semicircular hoop; 65. a fixed block; 651. a fixing hole; 66. and (5) fixing the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses connection sealing device of stay tube construction cable pipe.

As shown in fig. 1, a connection sealing device for a cable pipe in pipe pulling construction includes a pulling sleeve 1, a sealing groove 11 is formed in the pulling sleeve 1, the sealing groove 11 is divided into a first groove 111 and a second groove 112, the first groove 111 is communicated with the second groove 112, the inner diameter of the first groove 111 is larger than that of the second groove 112, the cable pipe is inserted into the second groove 112 after passing through the first groove 111, and the second groove 112 is matched with the cable pipe. The cover is equipped with first sealing washer 2 on the cable pipe, and the inner wall of first sealing washer 2 tightly supports with the cable pipe outer wall, the outer wall butt of first sealing washer 2 and the inner wall butt of first recess 111, an terminal surface of first sealing washer 2 and the interior diapire butt of first recess 111. The cable tube is sleeved with a supporting sleeve 3, and the supporting sleeve 3 is arranged in the first groove 111 and matched with the first groove 111.

The cover is equipped with protection packing ring 4 on the cable duct, has seted up a plurality of counter bores 12 on pulling the lateral wall of sleeve 1, and a plurality of counter bores 12 distribute along pulling 1 circumference equidistance of sleeve, and 12 female connection in counter bores have countersunk head bolt 5, and a plurality of countersunk head bolt 5's tip all tightly supports with protection packing ring 4, and protection packing ring 4 tightly supports with the cable duct. And a reinforcing component 6 for fixing the reinforced cable pipe and the traction sleeve 1 mutually is arranged on one end face of the traction sleeve close to the protective washer 4.

The side of the traction sleeve 1 is provided with a plurality of blades 13, the blades 13 are circumferentially distributed along the side of the traction sleeve 1 at equal intervals, and one end face of the traction sleeve 1 departing from the reinforcing component 6 is provided with a hook 14.

In the using process, firstly, the reinforcing component 6 is sleeved on the cable pipe, then the protective gasket 4 is sleeved on the cable pipe, then the supporting sleeve 3 is sleeved on the cable pipe, then the first sealing ring 2 is sleeved on the cable pipe, the traction sleeve 1 is sleeved on the cable pipe, the cable pipe penetrates through the first groove 111 and is inserted into the second groove 112, then the reinforcing component 6 is pushed by hand, the protective gasket 4 is abutted to the supporting sleeve 3, and the supporting sleeve 3 is pushed into the first groove 111, so that the supporting sleeve 3 pushes the first sealing ring 2 to be abutted to the inner bottom wall of the first groove 111. Then, a plurality of countersunk head bolts 5 are screwed up, so that the countersunk head bolts 5 are tightly abutted to the protective washer 4, the cable pipe is fastened by the protective washer 4, and finally, the reinforcing component 6 is fixed on the traction sleeve 1 and fixes the cable pipe.

When laying the cable pipe, fix wire rope on couple 14 and be connected wire rope and reamer, when power equipment drove reamer rotary motion, reamer drove and pulls sleeve 1 rotary motion, then pulls sleeve 1 and drives the cable pipe and pass the cable laying passageway to realize laying of cable pipe. When soil still sinks to block the traction sleeve 1 after the reaming of the reamer, the blades 13 crush the soil and facilitate the traction sleeve 1 to pass through, the traction sleeve 1 seals the opening of the cable pipe to reduce the condition that the soil enters the cable pipe, and the first sealing ring 2 reduces the condition that water flows into the cable pipe after entering the traction sleeve 1, so that the cable laying can be smoothly carried out in the later period.

As shown in fig. 2 and 3, the reinforcing component 6 includes a sealing sleeve 61, a second sealing ring 62, two fixing screws 63 and two semicircular clamps 64, the cable pipe passes through the sealing sleeve 61, the second sealing ring 62 is sleeved on the cable pipe, and the sealing sleeve 61 is bolted on the end face of the traction sleeve 1 departing from the hook 14. Two semicircle clamps 64 all with seal cover 61 sliding connection, two semicircle clamps 64 set up relatively, the both ends of semicircle clamp 64 all are provided with fixed block 65, fixed block 65 on a semicircle clamp 64 and the fixed block 65 one-to-one on another semicircle clamp 64, fixed orifices 651 has been seted up on the fixed block 65, fixed orifices 651 on the corresponding fixed block 65 is corresponding, clamping screw 63 passes two corresponding fixed orifices 651, equal threaded connection has fixation nut 66 on clamping screw 63's the both ends, two fixation nut 66 tightly support with two fixed blocks 65 respectively, the inside wall of two semicircle clamps 64 all tightly supports with second sealing washer 62, second sealing washer 62 fastens the cable duct.

In the use, after seal cover 61 bolted connection pulls sleeve 1, promote two semicircle clamps 64 and be close to each other and make two corresponding fixed blocks 65 butt each other, then pass two corresponding fixed orifices 651 with clamping screw 63, screw up fixation nut 66 at the both ends of fixed orifices 651 after that, then screw up fixation nut 66, make two corresponding fixed blocks 65 hug closely each other and make two semicircle clamps 64 press from both sides tight second sealing washer 62, second sealing washer 62 tightly hoops the cable duct, thereby make the more firm fixing of cable duct pull sleeve 1 in, the sealed effect of pulling sleeve 1 has been strengthened to second sealing washer 62 simultaneously.

The implementation principle of the embodiment of the application is as follows: fix wire rope on couple 14, then be connected wire rope and reamer, power equipment station drives the reamer and carries out the reaming, the reamer drives and pulls sleeve 1 through cable pipe laying passageway, it drives the cable pipe and passes the cable laying passageway to pull sleeve 1, at the towed in-process of reaming, because the oral area of cable pipe is lived by pulling sleeve 1 parcel, thereby the oral area of cable pipe enters into the condition in the cable pipe from reducing earth, first sealing washer 2 and second sealing washer 62 have improved the leakproofness of pulling sleeve 1 simultaneously, the condition that the water that reduces the soil layer flows into the cable pipe after pulling sleeve 1, thereby when having reduced laying cable in the cable pipe, earth and water in the cable pipe lead to the condition of cable damage to the cable pollution.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a connection sealing device of trombone slide construction cable pipe which characterized in that: including pulling sleeve (1) and a plurality of countersunk head bolt (5), it pulls couple (14) to be provided with on pulling sleeve (1), pull sleeve (1) and seted up seal groove (11), the cable pipe is pegged graft in seal groove (11), a plurality of countersunk holes (12) have been seted up to the lateral wall of pulling sleeve (1), countersunk head (12) and seal groove (11) intercommunication, countersunk head bolt (5) and countersunk hole (12) one-to-one, countersunk head bolt (5) tightly support with the cable pipe.

2. The connection sealing device for the cable tube for the pipe pulling construction according to claim 1, wherein: seal groove (11) divide into first recess (111) and second recess (112), first recess (111) and second recess (112) communicate each other, and the cover is equipped with first sealing washer (2) on the cable pipe, the outside of first sealing washer (2) and the inside wall butt of first recess (111), the inboard and the cable pipe outside butt of first sealing washer (2), a terminal surface and the interior diapire butt of first recess (111) of first sealing washer (2).

3. The connection sealing device for the cable tube for the pipe pulling construction according to claim 2, wherein: the cover is equipped with protection packing ring (4) on the cable pipe, protection packing ring (4) are located first seal groove (11), and are a plurality of countersunk head bolt (5) all tightly support protection packing ring (4).

4. The connection sealing device for the cable tube for pipe drawing construction according to claim 3, wherein: be provided with support sleeve (3) in first recess (111), support sleeve (3) one end and first sealing washer (2) butt, support sleeve (3) other end and protective washer (4) butt.

5. The connection sealing device for the cable tube for the pipe pulling construction according to claim 1, wherein: the traction sleeve (1) is provided with a reinforcing component (6) for reinforcing and clamping the cable tube.

6. The connection sealing device for the cable tube for the pipe pulling construction according to claim 5, wherein: consolidate subassembly (6) and include seal cover (61) and two semicircle clamps (64), the cable duct is worn to establish seal cover (61), seal cover (61) bolted connection is on pulling the sleeve pipe, seal cover (61) is sealed the oral area of seal groove (11), seal cover (61) and two semicircle clamps (64) sliding connection, two semicircle clamps (64) relative distribution, the both ends of semicircle clamp (64) all are provided with fixed block (65), fixed orifices (651) have been seted up on fixed block (65), two fixed block (65) one-to-one on the semicircle clamp (64), and two are corresponding fixed orifices (651) on fixed block (65) communicate each other, two are corresponding fixed orifices (651) are worn to be equipped with a clamping screw (63) in fixed orifices (651), the equal threaded connection in both ends of clamping screw (63) has fixation nut (66), fixation nut (66) tightly support with fixed orifices (651), two semicircle clamps (64) press from both sides tight cable duct.

7. The connection sealing device for the cable tube for pipe drawing construction according to claim 6, wherein: the cover is equipped with second sealing washer (62) on the cable pipe, two the inside wall of semicircle clamp (64) all supports with second sealing washer (62) tightly.

8. The connection sealing device for the cable tube for the pipe pulling construction according to claim 1, wherein: the peripheral surface of the traction sleeve (1) is provided with a plurality of blades (13).