CN201714337U - Hole sealing device - Google Patents

Abstract

The utility model provides a hole sealing device, which comprises: a first hole sealing part, a hollow sheath and a second hole sealing part; the first hole sealing part comprises a first shaft tube, a first baffle is fixedly disposed at the upper end of the first shaft tube, a second baffle is sleeved at the lower end of the first shaft tube, and a first rubber ring made of rubber is also sleeved between the outer wall of the first shaft tube, the first baffle and the second baffle; the second hole sealing part comprises a second shaft tube, a third baffle is fixedly disposed at the lower end of the second shaft tube, a fourth baffle is sleeved at the upper end of the second shaft tube, and a second rubber ring made of rubber is also sleeved between the outer wall of the second shaft tube, the third baffle and the fourth baffle; an adjusting component is also disposed on the second shaft tube, and is butt-jointed with the fourth baffle; and the first shaft tube, the sheath and the second shaft tube are sequentially connected with one another. The hole sealing device can effectively reduce the hole sealing cost, improve the hole sealing quality, shorten the hole sealing time, and improve the hole sealing efficiency.

Description

Hole sealing device

Technical field

The utility model relates to the colliery technical field of construction, relates in particular to a kind of hole sealing device.

Background technology

For the security performance under the coal mine is detected, usually in the coal mine down-hole drilling work progress, when drilling construction after desired depth, in the aperture certain depth of distance boring, boring is sealed, close stubble then and carry out mash gas extraction.

Existing hole sealing device mainly adopts the sleeve pipe of a hollow.In the sealing of hole process, adopt polyurethane sealing of hole liquid or cement paste to carry out shutoff between sleeve pipe and the borehole wall.A kind of chemical grout that polyurethane sealing of hole liquid is a kind of light weight, sclerosis is fast, dilatancy is strong, it is made up of two parts, generally claims A liquid and B liquid, when two kinds of liquid mix, rapid expanding and solidifying at short notice.When adopting polyurethane sealing of hole liquid to carry out sealing of hole, polyurethane sealing of hole liquid and sleeve pipe one are removed certain depth in the boring, by the expansion of polyurethane sealing of hole liquid, reach annular gap between airtight sleeve pipe and the borehole wall then, realize sealing of hole.When adopting the cement grout sealing of hole, in advance with the gap between stifled sleeve pipe two ends of polyurethane sealing of hole fluid-tight and the borehole wall, between the mid portion of sleeve outer wall and borehole wall, form a seal section, inject a certain amount of cement grout by Grouting Pipe to seal section then, to reach annular gap between airtight sleeve pipe and hole wall, realize sealing of hole.

But, when adopting polyurethane sealing of hole liquid to carry out sealing of hole, the bad control of proportioning of A liquid in the polyurethane sealing of hole liquid and B liquid; Polyurethane sealing of hole liquid is evenly sent into the comparison difficulty in boring, cause the filling of the polyurethane sealing of hole liquid between sleeve pipe and the borehole wall inhomogeneous.And polyurethane sealing of hole liquid enters the inner end of sleeve pipe easily, and the boring that causes in the sleeve pipe mouthful is stifled and can't extract methane gas out by the fluid-tight of polyurethane sealing of hole; Cause sealing quality relatively poor.Further, the unit price of polyurethane sealing of hole liquid is higher, large usage quantity in the sealing of hole process, so the cost that adopts this technology sealing of hole is than higher.And the polyurethane sealing of hole fluid-tight hole time is longer, and during sealing of hole, near boring can't be constructed, thereby prolongs the overall engineering time.When adopting the cement grout sealing of hole,, have equally and adopt polyurethane sealing of hole liquid to carry out the shortcoming of sealing of hole owing to the gap that will adopt between stifled sleeve pipe two ends of polyurethane sealing of hole fluid-tight and the borehole wall.Therefore, adopt existing hole sealing device to carry out sealing of hole, cause the cost of sealing of hole higher, second-rate and time sealing of hole is longer.

The utility model content

The utility model provides a kind of hole sealing device, the long defective of time of higher, the second-rate and sealing of hole of cost can provide the hole sealing device that a kind of sealing quality is higher, cost is lower, sealing of hole efficient is higher when solve adopting the hole sealing device sealing of hole of prior art.

The utility model provides a kind of hole sealing device, comprising: the sleeve pipe of the first sealing of hole parts, hollow and the second sealing of hole parts;

The described first sealing of hole parts, comprise first central siphon, be installed with first baffle plate in the upper end of described first central siphon, lower end at described first central siphon is arranged with second baffle, also is arranged with first cushion rubber of being made by rubber between the outer wall of described first central siphon, described first baffle plate and described second baffle;

The described second sealing of hole parts, comprise second central siphon, be installed with the 3rd baffle plate in the lower end of described second central siphon, be arranged with the 4th baffle plate in the upper end of described second central siphon, between the outer wall of described second central siphon, described the 3rd baffle plate and described the 4th baffle plate, also be arranged with second cushion rubber of making by rubber; Also be provided with an adjusting part on described second central siphon, connect with described the 4th baffle plate;

Described first central siphon, described sleeve pipe and described second central siphon link to each other successively.

Hole sealing device as described above also is installed with at least one cottor pin in the lower end of described first central siphon, to stop described second baffle landing.

Hole sealing device as described above, the outer wall of the upper end of described second central siphon is provided with first screw thread; Described adjusting part specifically comprises: be arranged on the upper end of described second central siphon, with the nut of described first threads engaged be set in the pipe box of the upper end of described second central siphon; Described pipe box connects with described nut and described the 4th baffle plate respectively.

Hole sealing device as described above, the described second sealing of hole parts also comprise Grouting Pipe and stack; Described Grouting Pipe and described stack are arranged in respectively on described the 4th baffle plate, second cushion rubber and described the 3rd baffle plate.

Hole sealing device as described above, between described first central siphon and the described sleeve pipe and between described sleeve pipe and described second central siphon by screwed connection.

Hole sealing device as described above is connected by the joint hoop between described first central siphon and the described sleeve pipe and between described sleeve pipe and described second central siphon.

Hole sealing device as described above, described sleeve pipe comprise the sub-sleeve pipe composition of more piece, connect by screw thread or joint hoop between each described sub-sleeve pipe.

The hole sealing device that the utility model provides is by being provided with the first sealing of hole parts and the second sealing of hole parts are realized sealing of hole.During sealing of hole, at the end away from hell, the boring inner air pressure promotes second plate washer, makes the first cushion rubber expanded radially between second baffle and first plate washer, thereby pushes borehole wall.Near an end of hell, by regulating adjusting part, reduce the distance between third gear plate and the 4th baffle plate, make the second cushion rubber expanded radially between the 3rd baffle plate and the fourth speed plate, thereby push borehole wall, the realization sealing of hole.When having changed available technology adopting polyurethane sealing of hole liquid and having carried out sealing of hole, the long defective of time of higher, the second-rate and sealing of hole of cost; Adopt the hole sealing device of this programme, can reduce the sealing of hole cost effectively, improve sealing quality, shorten the sealing of hole time, improve sealing of hole efficient.

Description of drawings

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of the hole sealing device of the utility model embodiment one;

Fig. 2 is the amplification assumption diagram of the first sealing ofhole parts 100 of hole sealing device shown in Figure 1;

Fig. 3 is the amplification assumption diagram of the second sealing ofhole parts 300 of hole sealing device shown in Figure 1;

Fig. 4 is the structural representation of the hole sealing device of the utility model embodiment two;

A kind of hole sealing device user mode figure that Fig. 5 provides for the utility model embodiment three.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

Fig. 1 is the structural representation of the hole sealing device of the utility model embodiment one.Particularly, Fig. 1 is the generalized section of hole sealing device.As shown in Figure 1, the hole sealing device of present embodiment comprises the first sealing ofhole parts 100, thesleeve pipe 200 of hollow and the second sealing ofhole parts 300.

Fig. 2 is the amplification assumption diagram of the first sealing ofhole parts 100 of hole sealing device shown in Figure 1.Particularly, Fig. 2 is the generalized section of the first sealing of hole parts 100.As depicted in figs. 1 and 2, the first sealing ofhole parts 100 comprise firstcentral siphon 1, be installed withfirst baffle plate 2 at theupper end 1a of firstcentral siphon 1,lower end 1b at firstcentral siphon 1 is arranged withsecond baffle 3, also is arranged with first cushion rubber of being made byrubber 4 between outer wall,first baffle plate 2 and thesecond baffle 3 of firstcentral siphon 1.

Firstcentral siphon 1 in the first sealing ofhole parts 100 can be the siphunculus of hollow.Second baffle 3 can have slip with respect to first central siphon 1.When sealing of hole, these first sealing ofhole parts 100 are ends that are positioned at away from drilling orifice, and are just inner towards boring, because boring hole internal pressure is bigger, can promotessecond baffle 3 and move to the direction of first baffle plate 2.Like this, just can reduce the distance betweensecond plate washer 3 andfirst baffle plate 2, andfirst cushion rubber 4 betweensecond plate washer 3 andfirst baffle plate 2 is exerted pressure.Becausefirst cushion rubber 4 is to be made by rubber, elastomeric material has certain elasticity, can be compressed.When the generation deformation that is under pressure offirst cushion rubber 4, and expand along the radial direction of first cushion rubber direction of first central siphon 1 (promptly perpendicular to), thus the extruding borehole wall, outer wall that can shutoff firstcentral siphon 1 and the gap between the borehole wall.

Wherein,first baffle plate 2 andsecond baffle 3 are ring-type, and the diameter of the hollow circular part offirst baffle plate 2 can be slightly larger than the diameter of firstcentral siphon 1, so that be installed in theupper end 1a of first central siphon 1.The diameter of the hollow circular part ofsecond baffle 3 also is slightly larger than the diameter of firstcentral siphon 1, so that be set in the outer wall of thelower end 1b of first central siphon 1.First cushion rubber 4 is the cylinder of hollow, and its cross section also is an annular.The diameter of the hollow circular of its cross section can be slightly larger than the diameter of firstcentral siphon 1, so that be set in the outer wall of firstcentral siphon 1.

Fig. 3 is the amplification assumption diagram of the second sealing ofhole parts 300 of hole sealing device shown in Figure 1.Particularly, Fig. 3 is the generalized section of the second sealing of hole parts 300.As shown in figures 1 and 3, the second sealing ofhole parts 300 comprise secondcentral siphon 5, be installed with the3rd baffle plate 6 in thelower end 51 of secondcentral siphon 5, be arranged with the4th baffle plate 7 in theupper end 52 of secondcentral siphon 5, between outer wall, the3rd baffle plate 6 and the4th baffle plate 7 of secondcentral siphon 5, also be arranged with second cushion rubber of making byrubber 8; Also be provided with an adjustingpart 9 on secondcentral siphon 5, connect with the4th baffle plate 7.

Secondcentral siphon 5 in the second sealing ofhole parts 300 can be the siphunculus of hollow.The4th baffle plate 7 can have slip with respect to second central siphon 5.When sealing of hole, these second sealing ofhole parts 300 are ends that are positioned near drilling orifice, just towards hole month, by regulating adjustingpart 9, can promote the4th baffle plate 7 and move to the direction of the 3rd baffle plate 6.Like this, just can reduce the distance betweenthird gear plate 6 and the4th baffle plate 7, andsecond cushion rubber 8 betweenthird gear plate 6 and the4th baffle plate 7 is exerted pressure.Becausesecond cushion rubber 8 is to be made by rubber, elastomeric material has certain elasticity, can be compressed.When the generation deformation that is under pressure ofsecond cushion rubber 8, and expand along the radial direction of second cushion rubber direction of second central siphon 5 (promptly perpendicular to), thus the extruding borehole wall, outer wall that can shutoff secondcentral siphon 5 and the gap between the borehole wall.

Wherein, the shape ofthird gear plate 6 and the4th baffle plate 7 also is a ring-type.The diameter of the hollow circular part of the3rd baffle plate 6 can be slightly larger than the diameter of secondcentral siphon 5, so that be installed in thelower end 51 of second central siphon 5.The diameter of the hollow circular part of the4th baffle plate 7 also is slightly larger than the diameter of secondcentral siphon 5, so that be set in the outer wall of theupper end 52 of second central siphon 5.Second cushion rubber 8 is the cylinder of hollow, and its cross section also is an annular.The diameter of the hollow circular of its cross section can be slightly larger than the diameter of secondcentral siphon 5, so that be set in the outer wall of secondcentral siphon 5.

As shown in Figure 1, firstcentral siphon 1 of present embodiment,sleeve pipe 200 and secondcentral siphon 5 link to each other successively.Be connected at position A place withsleeve pipe 200 as firstcentral siphon 1,sleeve pipe 200 is connected at position B place with secondcentral siphon 5.

When adopting the hole sealing device of present embodiment to carry out sealing of hole, adopt polyurethane sealing of hole liquid to carry out sealing of hole with prior art and compare, need not adopt parcel or the method that is blown into stretches into polyurethane sealing of hole liquid in the boring, directly be lowered in the boring to get final product, simple to operate.And the end of sleeve pipe also can be stifled by the fluid-tight of polyurethane sealing of hole, and the sealing of hole time is shorter.Adopt the hole sealing device of present embodiment simultaneously, first cushion rubber and second cushion rubber that adopt elastomeric material to make are realized shutoff, can save the sealing of hole cost effectively.In a word, adopt the hole sealing device of present embodiment, can improve sealing of hole efficient effectively.

Fig. 4 is the structural representation of the hole sealing device of the utility model embodiment two.Particularly, Figure 4 shows that the generalized section of hole sealing device.As shown in Figure 4, on the basis of above-mentioned reality embodiment illustrated in fig. 1, can also set firmly at least onecottor pin 10 in the lower end of first central siphon 1.As shown in Figure 4, be example so that two cottor pins to be set.Cottor pin 10 can in the boring internal pressure hour stop second plate washer 3, prevents thatsecond baffle 3 is along the 1 downward landing of first central siphon.For example, when the first sealing ofhole parts 100 had just deeply been holed, the internal pressure of may holing was also less, andsecond plate washer 3 can be further protected incottor pin 10, prevents its landing.

As shown in Figure 4, in the present embodiment, adjusting part is specifically as follows anut 11 and a pipe box 12.Accordingly, the outer wall of the upper end of secondcentral siphon 5 is provided with first screw thread.First screw thread just in time withnut 11 embedded threads engaged, can on the outer wall of the upper end of secondcentral siphon 5, rotate along first screw thread to guarantee nut 11.Pipe box 12 is set on the outer wall of secondcentral siphon 5, andpipe box 12 connects withnut 11 and the4th baffle plate 7 respectively.Like this,, makenut 11 when the4th baffle plate 7 directions move,, can promote the4th baffle plate 7 bypipe box 12 when turnnut 11, make its towards near the3rd baffle plate 6 to direction move.Here,nut 11 can separate design withpipe box 12, also can be provided with as a whole.

As shown in Figure 4, on the basis of the foregoing description, in order further to strengthen sealing effectiveness to boring.Can also be provided with Grouting Pipe 13 andstack 14 on the second sealing ofhole parts 300 of present embodiment; Grouting Pipe 13 andstack 14 are arranged on the4th baffle plate 7,second cushion rubber 8 and the 3rd baffle plate 6.Inject cement mortar, the sealing of enhancing sealing of hole in the zone that can be surrounded to the outside, borehole wall, the first sealing ofhole parts 100 and the second sealing ofhole parts 300 ofsleeve pipe 200 by Grouting Pipe 13 like this.Preferably, the length ofstack 14 is advisable just to stretch out the 3rd baffle plate 6.13 of Grouting Pipe are advisable to stretch near first plate washer 2.Injecting the cement mortar process, can by stack 14 air discharged simultaneously directly with the bottom of cement mortar embedding area.Like this, can avoid injecting cement mortar process entrained air, improve the effect of sealing of hole.Grouting Pipe 13 andstack 14 can be to be located in symmetrically on the4th baffle plate 7,second cushion rubber 8 and the3rd baffle plate 6, that is to say asymmetricly to be located on the4th baffle plate 7,second cushion rubber 8 and the 3rd baffle plate 6.The sectional drawing of hole sealing device shown in Figure 4 is that being located on the4th baffle plate 7,second cushion rubber 8 and the3rd baffle plate 6 symmetrically with Grouting Pipe 13 andstack 14 is example.

Need to prove, in the present embodiment between firstcentral siphon 1 and thesleeve pipe 200 and between thesleeve pipe 200 and secondcentral siphon 5 by screwed connection.Just an end that links to each other withsleeve pipe 200 at firstcentral siphon 1 is provided with second screw thread, end that links to each other with firstcentral siphon 1 atsleeve pipe 200 is provided with the 3rd screw thread that is complementary with second screw thread, like this, firstcentral siphon 1 can pass through the screw thread screwed connection with sleeve pipe 200.In like manner also can be between thesleeve pipe 200 and secondcentral siphon 5 by the screw thread screwed connection is set.

As shown in Figure 4, can also be connected byjoint hoop 15 between firstcentral siphon 1 and thesleeve pipe 200 and betweensleeve pipe 200 and second central siphon 5.When boring deep the time, when requiring the length of drilling and sealing longer,sleeve pipe 200 can adopt the sub-sleeve pipe of more piece to form, and adopts screw thread orjoint hoop 15 to connect between each sub-sleeve pipe.As shown in Figure 4, to adoptjoint hoop 15 to be connected to example between each sub-sleeve pipe.

Adopt the hole sealing tube sealing of hole of present embodiment, have simple to operately equally, the sealing of hole time is shorter, can save the sealing of hole cost effectively, improves sealing of hole efficient.

A kind of hole sealing device user mode figure that Fig. 5 provides for the utility model embodiment three.As shown in Figure 5, hole sealing device shown in Figure 4 is placed a boring 40 implement sealing of hole.As shown in Figure 5, for the better implement sealing of hole, to holing 40 when constructing, the bore ofupper end 401 that boring 40 can be scraped out boring is greater than the bore of lower end 402.Wherein the diameter ofthird gear plate 6, the4th baffle plate 7 andsecond cushion rubber 8 infirst plate washer 2 in the first sealing ofhole parts 100,second baffle 3 andfirst cushion rubber 4 and the second sealing ofhole parts 300 all should be less thanupper end 401 bores of boring, and greater than the bore of lower end 402.The bore of firstcentral siphon 1 is less than the bore oflower end 402 in the first sealing of hole parts 100.Like this, when in boring 40, descending hole sealing device, just in time the first sealing ofhole parts 100 are transferred to theupper end 401 with the intersection oflower end 402, because the bore oflower end 402 is greater than the diameter ofsecond baffle 3, the structure of boring 40 can stop the landing of thesecond baffle 3 in the first sealing ofhole parts 100 more effectively, and can strengthen the sealing effectiveness of boring.

When only needing interim sealing of hole, need not be to the first sealing ofhole parts 100, the second sealing ofhole parts 300, the sidewall ofsleeve pipe 200 injects cement mortar with the zone that hole wall surrounded of boring 40.Promptly be equivalent to hole sealing device embodiment illustrated in fig. 1.At this moment, Grouting Pipe 13 andstack 14 can be sealed.At theupper end 401 of boring 40 and the intersection oflower end 402, pressure in the boring 40 promotessecond baffle 3 and moves to the direction offirst baffle plate 2, thereby firstcushion rubber 4 of extruding betweenfirst baffle plate 2 andsecond baffle 3,first cushion rubber 4 produces distortion, along expanding, thereby seal gap between firstcentral siphon 1 and 40 the hole wall of holing perpendicular to the direction of first central siphon 1.In like manner, 401 places, upper end in boring 40, byprecession nut 11, makepipe box 12 move down (promptly moving) to the position of the4th baffle plate 7, move to position thereby promote the4th baffle plate 7, therebysecond cushion rubber 8, thesecond cushion rubbers 8 of extruding between the3rd baffle plate 6 and the4th baffle plate 7 produce distortion nearthird gear plate 6, along expanding, thereby seal gap between secondcentral siphon 5 and 40 the hole wall of holing perpendicular to the direction of secondcentral siphon 5; Final realization sealing boring 40.40 upper port can detect the methane gas of holing in 40 by holing.

When detection finishes, can screw outnut 11, be about tonut 11 and move to direction away from fourth speed plate 7.Therebysecond cushion rubber 8 of expansion is recovered.Hole sealing device is taken out in 40 from holing.When only needing interim sealing of hole to detect, adopt the hole sealing device of present embodiment to reuse, improved the utilization rate of hole sealing device.

When the permanent sealing of hole of needs, different with interim sealing of hole, permanent sealing of hole need be to the first sealing ofhole parts 100, the second sealing ofhole parts 300, and the sidewall ofsleeve pipe 200 injects cement mortar with the zone that hole wall surrounded of boring 40, increases sealing effectiveness.Adopt with the mode of above-mentioned interim sealing of hole and carry out sealing of hole earlier, in the zone, inject cement mortar by Grouting Pipe 13 then, by stack 14 gas in the zone is discharged simultaneously.Discharge cement mortar up tostack 14, slip casting finishes, and stops slip casting.In order to strengthen sealing effectiveness, cement mortar is generally band pressure injection slurry.When adopting the device sealing of hole of present embodiment, the first sealing ofhole parts 100 of hole sealing device can also prevent that cement mortar runs off downwards, have strengthened sealing effectiveness.

Treat that cement sand will solidify, can screw outnut 11, be about to nut 11 and move to direction away from fourth speed plate 7.Therebysecond cushion rubber 8 of expansion is recovered.Nut 11,pipe box 12,fourth speed plate 7 andsecond cushion rubber 8 can be taken out, reduce the waste of product, further improve the utilization rate of product.

It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (7)

1. a hole sealing device is characterized in that, comprising: the sleeve pipe of the first sealing of hole parts, hollow and the second sealing of hole parts;

The described first sealing of hole parts, comprise first central siphon, be installed with first baffle plate in the upper end of described first central siphon, lower end at described first central siphon is arranged with second baffle, also is arranged with first cushion rubber of being made by rubber between the outer wall of described first central siphon, described first baffle plate and described second baffle;

The described second sealing of hole parts, comprise second central siphon, be installed with the 3rd baffle plate in the lower end of described second central siphon, be arranged with the 4th baffle plate in the upper end of described second central siphon, between the outer wall of described second central siphon, described the 3rd baffle plate and described the 4th baffle plate, also be arranged with second cushion rubber of making by rubber; Also be provided with an adjusting part on described second central siphon, connect with described the 4th baffle plate;

Described first central siphon, described sleeve pipe and described second central siphon link to each other successively.

2. hole sealing device according to claim 1 is characterized in that, also is installed with at least one cottor pin in the lower end of described first central siphon, to stop described second baffle landing.

3. hole sealing device according to claim 1 and 2 is characterized in that the outer wall of the upper end of described second central siphon is provided with first screw thread; Described adjusting part specifically comprises: be arranged on the upper end of described second central siphon, with the nut of described first threads engaged be set in the pipe box of the upper end of described second central siphon; Described pipe box connects with described nut and described the 4th baffle plate respectively.

4. hole sealing device according to claim 1 and 2 is characterized in that, the described second sealing of hole parts also comprise Grouting Pipe and stack; Described Grouting Pipe and described stack are arranged in respectively on described the 4th baffle plate, second cushion rubber and described the 3rd baffle plate.

5. hole sealing device according to claim 1 is characterized in that, between described first central siphon and the described sleeve pipe and between described sleeve pipe and described second central siphon by screwed connection.

6. hole sealing device according to claim 1 is characterized in that, is connected by the joint hoop between described first central siphon and the described sleeve pipe and between described sleeve pipe and described second central siphon.

7. according to claim 5 or 6 described hole sealing devices, it is characterized in that described sleeve pipe comprises the sub-sleeve pipe composition of more piece, connects by screw thread or joint hoop between each described sub-sleeve pipe.

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