CN215172856U

CN215172856U - Sealing device for orifice of freezing hole

Info

Publication number: CN215172856U
Application number: CN202121507960.9U
Authority: CN
Inventors: 何修义; 章鑫; 欧琼; 童建勇; 李永飞; 赵向锋; 庄昭斌
Original assignee: China Railway First Engineering Group Co Ltd; China Railway First Engineering Group Co Ltd Guanzhou Branch; China Railway First Engineering Group Guangzhou Construction Engineering Co Ltd
Current assignee: China Railway First Engineering Group Co Ltd; China Railway First Engineering Group Co Ltd Guanzhou Branch; China Railway First Engineering Group Guangzhou Construction Engineering Co Ltd
Priority date: 2021-07-03
Filing date: 2021-07-03
Publication date: 2021-12-14
Anticipated expiration: 2031-07-03

Abstract

The application relates to the field of sealing devices, in particular to a freezing hole orifice sealing device which comprises a stratum, wherein a freezing hole is formed in the stratum, a pollution discharge assembly used for discharging gushed muddy water in the hole opening process is connected to the freezing hole, the pollution discharge assembly comprises a pollution discharge pipe, and the pollution discharge pipe is fixedly communicated with the freezing hole in a sealing manner; still be provided with seal assembly on the stratum, seal assembly includes sealed tube and supporting rod, the sealed tube sets up to rectangular shape hose, the one end of sealed tube deviates from the sealed UNICOM of the one end that freezes the hole with the blow off pipe, the quantity of supporting rod sets up in pairs and sets up to rectangular shape, the length direction of the equal perpendicular to sealed tube of supporting rod that sets up in pairs sets up and is located the both sides of sealed tube relatively respectively, be connected with on the sealed tube and be used for driving the supporting rod that sets up in pairs and be close to the drive assembly sealed to the sealed tube centre gripping mutually. The present application has the effect of sealing the orifice of the freeze hole.

Description

Sealing device for orifice of freezing hole

Technical Field

The application relates to the field of sealing devices, in particular to a freezing hole orifice sealing device.

Background

In the development process of the current society, a plurality of large buildings and traffic facilities need to be built, and when engineering construction such as foundations, subways, vertical shafts and the like is carried out on the ground, the construction safety and the technological requirements are ensured by adopting a freezing method for tunneling; in order to form a frozen wall in the construction process, a plurality of drill holes for installing freezers and circulating freezing medium liquid are drilled around a construction point, and the drill holes are also called freezing holes; in the process of opening the frozen hole and after the opening is finished, due to the influence of stratum frost heaving, thaw collapse and the like on the tunnel and the ground, part of muddy water can gush out from the frozen hole.

With respect to the related art in the above, the inventors consider that: in order to prevent muddy water from flowing out of the freezing hole after the hole is opened, the opening of the freezing hole needs to be sealed.

SUMMERY OF THE UTILITY MODEL

To seal the orifice of a freeze hole, the present application provides a freeze hole orifice sealing device.

The application provides a freeze hole drill way sealing device adopts following technical scheme:

a freeze hole orifice sealing device comprises a stratum, wherein a freeze hole is formed in the stratum, a sewage discharging assembly used for discharging gushed muddy water in the hole opening process is connected to the freeze hole, the sewage discharging assembly comprises a sewage discharging pipe, and the sewage discharging pipe is fixedly communicated with the freeze hole in a sealing mode; still be provided with seal assembly on the stratum, seal assembly includes sealed tube and supporting rod, the sealed tube sets up to rectangular shape hose, the one end of sealed tube deviates from the sealed UNICOM of the one end that freezes the hole with the blow off pipe, the quantity of supporting rod sets up in pairs and sets up to rectangular shape, the length direction of the equal perpendicular to sealed tube of supporting rod that sets up in pairs sets up and is located the both sides of sealed tube relatively respectively, be connected with on the sealed tube and be used for driving the supporting rod that sets up in pairs and be close to the drive assembly sealed to the sealed tube centre gripping mutually.

Through adopting above-mentioned technical scheme, when needs seal freezing the hole, the centre gripping pole that sets up in pairs through the drive assembly drive removes to the direction that is close to each other, and the centre gripping pole that sets up in pairs carries out the centre gripping to the sealed tube, because the sealed tube sets up to the hose to thereby make the sealed tube by the shutoff by tightly being pressed from both sides to thereby make the drill way in freezing the hole not communicate with the external world, reach the effect to freezing the hole confined, prevent muddy water from freezing downthehole outflow.

Optionally, the driving assembly comprises a sealing rod, and the sealing rod is arranged in a direction parallel to the arrangement direction of the clamping rods arranged in pairs and is fixedly connected to the sewage discharge pipe; each clamping rod is fixedly connected with a moving plate, and the moving plates are connected to the sealing rods in a sliding manner along the length direction of the sealing rods; all rotate on every movable plate and be connected with a driving piece, be provided with the screw thread on the sealing rod, the equal threaded connection of the driving piece that sets up in pairs just is located the both sides of the movable plate that sets up in pairs respectively on the sealing rod.

Through adopting above-mentioned technical scheme, when needs carry out the centre gripping to the sealed tube and seal, through rotating the driving piece that sets up in pairs, under the threaded connection effect of driving piece and sealing rod for the driving piece that sets up in pairs drives the movable plate that sets up in pairs and removes to the direction that is close to mutually, and then makes the clamping rod that sets up in pairs be close to mutually and carry out the centre gripping to the sealed tube and seal.

Optionally, a fixing plate and a fixing piece are arranged on the ground layer, the fixing plate is arranged to be a circular ring-shaped plate, the plate surface of the fixing plate is arranged in parallel to the ground layer, an inner ring of the fixing plate is coaxially communicated with the freezing hole, and the fixing piece is used for fixing the fixing plate on the ground layer; the blow-off pipe is fixedly connected on the fixing plate.

Through adopting above-mentioned technical scheme, when needs are connected the blow off pipe with freezing the hole, fix its inner ring on the stratum through the mounting and freeze the coaxial setting in hole with the fixed plate simultaneously, through with blow off pipe fixed connection on the fixed plate for the blow off pipe with freeze the sealed fixed connection of hole and intercommunication, and then make and freeze downthehole muddy water and can follow the blow off intraductal discharge of blow off.

Optionally, the number of the fixing pieces is set to be a plurality, and the fixing pieces are uniformly distributed along the circumferential direction by taking the rotation axis of the fixing plate as a circle center.

Through adopting above-mentioned technical scheme, the firmness when fixed plate and stratum are connected has further been improved in setting up of a plurality of mountings to further improve the blow off pipe and freeze the stability when hole sealing fixed connection.

Optionally, a rubber layer is fixedly arranged on one side of the fixing plate facing the ground layer.

Through adopting above-mentioned technical scheme, because rubber has good elasticity, the surface in stratum is generally comparatively crude simultaneously, when installing the fixed plate on the stratum through the mounting, drives the rubber layer and takes place certain deformation to make the rubber layer drive the fixed plate more stable be connected with the stratum.

Optionally, be provided with first shunt tubes on the blow off pipe, first shunt tubes and blow off pipe UNICOM are used for getting rid of sewage in the blow off pipe, are provided with the first ooff valve that is used for controlling first shunt tubes break-make on the first shunt tubes.

Through adopting above-mentioned technical scheme, when at the trompil in-process that freezes the hole, muddy water oozes from the stratum, and the muddy water that oozes flows into in the blowoff pipe from freezing the hole, and then flows out in following the blowoff pipe through first shunt tubes, plays in time to freezing downthehole muddy water exhaust effect, when needs are sealed the freezing hole that finishes digging, seals first shunt tubes through first ooff valve, and seal assembly seals the sealed tube simultaneously, realizes freezing the sealed of hole.

Optionally, the blow-off pipe is also communicated with a second shunt pipe for discharging sewage in the blow-off pipe, the aperture of the second shunt pipe is larger than that of the first shunt pipe, and a second switch valve for controlling the on-off of the second shunt pipe is arranged on the second shunt pipe.

Through adopting above-mentioned technical scheme, when freezing hole excavation in-process muddy water is more, all open first shunt pipe and second shunt pipe simultaneously, simultaneously because the aperture of second shunt pipe is greater than first shunt pipe to further improve the discharge rate to muddy water.

Optionally, the inner walls of the sewage draining pipe, the first shunt pipe and the second shunt pipe are all fixedly provided with anticorrosive coatings.

Through adopting above-mentioned technical scheme, setting up of anticorrosive coating makes when muddy water passes through blow off pipe, first shunt canals and second shunt canals inner wall, reduces the corruption to the inner wall to further improve the life of blow off pipe, first shunt canals and second shunt canals.

In summary, the present application includes the following beneficial technical effects:

when needs seal freezing the hole drill way, the clamping rod that sets up in pairs through the drive assembly drive removes to the direction that is close to each other, because the sealed tube sets up to the hose, carries out the centre gripping through the clamping rod that sets up in pairs and seals the sealed tube, and then makes to freeze the hole and not communicate with the external world, plays sealed effect to freezing the hole.

Drawings

Fig. 1 is a partial cross-sectional view illustrating an anticorrosive layer according to an embodiment of the present application.

Reference numerals: 1. an earth formation; 2. a connecting assembly; 21. a fixing plate; 22. a fixing member; 23. connecting holes; 24. a fixing hole; 3. a rubber layer; 4. a blowdown assembly; 41. a blow-off pipe; 42. a first shunt pipe; 43. a second shunt pipe; 44. a first on-off valve; 45. a second on-off valve; 5. an anticorrosive layer; 6. a seal assembly; 61. a sealing tube; 62. a connecting member; 63. a sealing rod; 64. moving the plate; 641. moving the hole; 65. a clamping rod; 66. a drive member; 7. freezing the pores.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses a freeze hole orifice sealing device. Referring to fig. 1, the freeze hole orifice sealing device comprises a stratum 1, wherein a freeze hole 7 is arranged on the stratum 1, and a pollution discharge assembly 4 for discharging muddy water gushed in the hole opening process is arranged on the stratum 1; the formation 1 is also connected to a seal assembly 6 for sealing the freeze hole 7.

Referring to fig. 1, a connection assembly 2 for facilitating connection of a pollution discharge assembly 4 and a freezing hole 7 is arranged on a ground layer 1, the connection assembly 2 includes a fixing plate 21 and a fixing member 22, the fixing plate 21 is arranged in a circular plate-shaped structure, a plate surface of the fixing plate 21 is arranged parallel to the ground layer 1, in this embodiment, the fixing member 22 is arranged as an expansion bolt, the fixing plate 21 is provided with a connecting hole 23, the ground layer 1 is provided with a fixing hole 24 corresponding to the connecting hole 23, and the fixing member 22 is simultaneously inserted into the connecting hole 23 and the fixing hole 24 and used for fixing the fixing plate 21 on the ground layer 1; the quantity of connecting hole 23 sets up to a plurality ofly, and a plurality of connecting holes 23 use the axis of rotation of fixed plate 21 to be the center along circumferencial direction evenly distributed, and the quantity and the position of fixed orifices 24 all correspond with connecting hole 23, all are provided with one above-mentioned mounting 22 in every fixed orifice 24 and the connecting hole 23, and the setting of a plurality of mountings 22 has further improved the fastness to the fixed of fixed plate 21.

Referring to fig. 1, the fixed plate 21 is glued with the rubber layer 3 towards one side of the stratum 1, because the rubber layer 3 has certain elasticity, and the surface of the stratum 1 is rough simultaneously, when the fixed plate 21 is attached and fixed on the stratum 1, and when the fixed plate 21 and the rubber layer 3 are driven by the fixing member 22 to abut against the stratum 1, the rubber layer 3 can be deformed and closely attached to the stratum 1, and the firmness of the fixed plate 21 fixed on the stratum 1 is further improved.

Referring to fig. 1, as a large amount of muddy water is discharged in the hole opening process, the sewage discharging assembly 4 comprises a sewage discharging pipe 41, a first shunt pipe 42 and a second shunt pipe 43, the sewage discharging pipe 41 is a long-strip-shaped circular pipeline, one end of the sewage discharging pipe 41 is hermetically welded on one side of the fixed plate 21, which is far away from the rubber layer 3, and is coaxially arranged with the inner ring of the fixed plate 21, and the pipe orifice of the sewage discharging pipe 41 is communicated with the inner ring of the fixed plate 21 and the freezing hole 7; the first shunt pipe 42 and the second shunt pipe 43 are both arranged as long-strip-shaped pipes vertical to the length direction of the sewage pipe 41, one end of each of the first shunt pipe 42 and the second shunt pipe 43 is welded on the side wall of the sewage pipe 41 and communicated with the sewage pipe 41, the first shunt pipe 42 and the second shunt pipe 43 are distributed on the sewage pipe 41 at intervals along the length direction of the sewage pipe 41, the aperture of the first shunt pipe 42 is smaller than that of the second shunt pipe 43, and the first shunt pipe 42 is provided with a first switch valve 44 for controlling the on-off of the first shunt pipe 42; the second shunt pipe 43 is provided with a second switch valve 45 for controlling the on-off of the second shunt pipe 43; when the muddy water discharged in the hole opening process is less, the first shunt pipe 42 is opened through the first switch valve 44 to discharge the sewage; when the muddy water discharged in the hole opening process is more, the second shunt pipe 43 is opened to assist the first shunt pipe 42 in discharging the sewage, and the aperture of the second shunt pipe 43 is larger than that of the first shunt pipe 42, so that the discharge rate of the muddy water is further improved.

Referring to fig. 1, the inner walls of the sewage discharge pipe 41, the first shunt pipe 42 and the second shunt pipe 43 are coated with the anticorrosive layer 5, so that the sewage discharge pipe 41, the first shunt pipe 42 and the second shunt pipe 43 are protected in the sewage discharge process, and the service lives of the sewage discharge pipe 41, the first shunt pipe 42 and the second shunt pipe 43 are prolonged.

Referring to fig. 1, the sealing assembly 6 comprises a sealing pipe 61, the sealing pipe 61 is a hose with a circular long section, one end of the sealing pipe 61 is coaxially, hermetically and fixedly connected with one end of the sewage discharge pipe 41 departing from the fixing plate 21, and the sealing pipe 61 is communicated with the sewage discharge pipe 41; the sewage draining pipe 41 is provided with a connecting piece 62, the connecting piece 62 is welded on the sewage draining pipe 41, the connecting piece 62 is provided with a long strip-shaped sealing rod 63, the sealing rod 63 is vertically arranged, the lower end of the sealing rod is welded on the connecting piece 62, the sealing rod 63 is provided with a moving plate 64, the moving plate 64 is provided with a moving hole 641 in a penetrating manner, and the moving plate 64 penetrates through the sealing rod 63 through the moving hole 641; the number of the moving plates 64 is two, the two moving plates 64 are distributed at intervals along the length direction of the sealing rod 63 and are positioned on two sides of the sealing tube 61, each moving plate 64 is welded with a strip-shaped clamping rod 65, and the clamping rods 65 are horizontally arranged along the length direction perpendicular to the sealing tube 61; each moving plate 64 is provided with a driving piece 66 for driving the clamping rod 65 to move on the sealing rod 63, in this embodiment, the driving piece 66 is provided with a circular ring structure, the sealing rod 63 is provided with threads, the driving piece 66 is sleeved on the sealing rod 63 and is in threaded connection with the sealing rod 63, and the driving piece 66 is rotatably connected to the corresponding moving plate 64; two driving members 66 are respectively located on both sides of the two moving plates 64. When the sealing tube 61 needs to be sealed, by rotating the two driving members 66, due to the threaded connection between the driving members 66 and the sealing rod 63, the driving members 66 drive the two moving plates 64 to move toward each other, so that the two moving plates 64 clamp the sealing tube 61, and the sealing tube 61 is in a sealed state.

The implementation principle of the freezing hole orifice sealing device in the embodiment of the application is as follows: the fixing plate 21 is installed at the orifice of the freezing hole 7 through the fixing member 22, so that the drainage pipe 41 is communicated with the freezing hole 7, when less muddy water seeps out of the freezing hole 7, the first shunt pipe 42 is opened through the first switch valve 44 to drain the muddy water, and when more muddy water seeps out, the second shunt pipe 43 is opened to assist the first shunt pipe 42 in draining the muddy water; when the orifice of the freezing hole 7 needs to be sealed, the two driving pieces 66 are rotated, and the driving pieces 66 are in threaded connection with the sealing rods 63, so that the driving pieces 66 push the two clamping rods 65 to move in the mutually approaching direction, and then the two clamping rods 65 clamp and seal the sealing pipe 61, and the freezing hole 7 is sealed.

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 freeze hole orifice seal comprising a formation (1), characterized by: the stratum (1) is provided with a freezing hole (7), the freezing hole (7) is connected with a sewage discharging assembly (4) for discharging gushed muddy water in the hole opening process, the sewage discharging assembly (4) comprises a sewage discharging pipe (41), and the sewage discharging pipe (41) is fixedly communicated with the freezing hole (7) in a sealing manner; still be provided with seal assembly (6) on stratum (1), seal assembly (6) are including sealed tube (61) and supporting rod (65), sealed tube (61) set up to rectangular shape hose, the one end of sealed tube (61) deviates from the sealed UNICOM of one end that freezes hole (7) with blow off pipe (41), the quantity of supporting rod (65) sets up in pairs and is rectangular shape, the length direction of the equal perpendicular to sealed tube (61) of supporting rod (65) that sets up in pairs sets up and the both sides that are located sealed tube (61) respectively relatively, be connected with on sealed tube (61) and be used for driving supporting rod (65) that set up in pairs and be close to the drive assembly sealed to sealed tube (61) centre gripping each other.

2. A freeze hole orifice sealing device as set forth in claim 1 wherein: the driving assembly comprises sealing rods (63), and the sealing rods (63) are arranged in the arrangement direction parallel to the clamping rods (65) arranged in pairs and are fixedly connected to the sewage discharge pipe (41); each clamping rod (65) is fixedly connected with a moving plate (64), and the moving plates (64) are connected to the sealing rods (63) in a sliding mode along the length direction of the sealing rods (63); all rotate on every movable plate (64) and be connected with a driving piece (66), be provided with the screw thread on sealing rod (63), all threaded connection of the driving piece (66) that set up in pairs just is located the both sides of the movable plate (64) that set up in pairs respectively on sealing rod (63).

3. A freeze hole orifice sealing device as set forth in claim 1 wherein: a fixing plate (21) and a fixing piece (22) are arranged on the ground layer (1), the fixing plate (21) is arranged to be a circular ring-shaped plate, the surface of the fixing plate (21) is arranged in parallel to the ground layer (1), the inner ring of the fixing plate is coaxially communicated with the freezing hole (7), and the fixing piece (22) is used for fixing the fixing plate (21) on the ground layer (1); the sewage discharge pipe (41) is fixedly connected to the fixing plate (21).

4. A freeze hole orifice seal arrangement as set forth in claim 3 wherein: the number of the fixing pieces (22) is set to be a plurality of, and the fixing pieces (22) are uniformly distributed along the circumferential direction by taking the rotating axis of the fixing plate (21) as the center of a circle.

5. A freeze hole orifice seal arrangement as set forth in claim 3 wherein: the rubber layer (3) is fixedly arranged on one side, facing the ground layer (1), of the fixing plate (21).

6. A freeze hole orifice sealing device as set forth in claim 1 wherein: be provided with first shunt tubes (42) on blow off pipe (41), first shunt tubes (42) and blow off pipe (41) UNICOM are used for getting rid of sewage in blow off pipe (41), are provided with first ooff valve (44) that are used for controlling first shunt tubes (42) break-make on first shunt tubes (42).

7. The freeze hole orifice seal of claim 6 wherein: the sewage discharge pipe (41) is also communicated with a second shunt pipe (43) used for discharging sewage in the sewage discharge pipe (41), the aperture of the second shunt pipe (43) is larger than that of the first shunt pipe (42), and a second switch valve (45) used for controlling the on-off of the second shunt pipe (43) is arranged on the second shunt pipe (43).

8. The freeze hole orifice seal of claim 7 wherein: and the inner walls of the sewage discharge pipe (41), the first shunt pipe (42) and the second shunt pipe (43) are fixedly provided with an anticorrosive layer (5).