CN115126511B - Pipe jacking construction entrance to a cave sealing device - Google Patents
Pipe jacking construction entrance to a cave sealing device Download PDFInfo
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- CN115126511B CN115126511B CN202210691173.7A CN202210691173A CN115126511B CN 115126511 B CN115126511 B CN 115126511B CN 202210691173 A CN202210691173 A CN 202210691173A CN 115126511 B CN115126511 B CN 115126511B
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- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 title claims abstract description 17
- 239000010687 lubricating oil Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 230000001680 brushing effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000977 initiatory effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 239000003673 groundwater Substances 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 6
- 239000013049 sediment Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/16—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device
- F16N7/24—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means the oil being carried up by a lifting device with discs, rollers, belts or the like contacting the shaft to be lubricated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a pipe jacking construction sealing device's technical field, the problem of wearing and tearing take place easily to traditional annular rubber door curtain that initiates the well perforation department, put forward a pipe jacking construction entrance to a cave sealing device, including coaxial wearing to establish the main pipe spare of fixing in the perforation, the main pipe spare stretches into the annular rubber door curtain that is provided with coaxially of the one end in the well of initiating, and the main pipe spare stretches into the one end in the well of initiating and still coaxial coupling has vice pipe fitting, and vice pipe fitting is provided with the lubrication mechanism towards the outer Zhou Tu brush lubricating oil of pipeline. The annular rubber door curtain has the effect that the annular rubber door curtain at the perforation position of the starting well is not easy to wear.
Description
Technical Field
The application relates to the technical field of pipe jacking construction water stopping devices, in particular to a pipe jacking construction hole water stopping device.
Background
The pipe jacking construction has the advantages of being capable of burying pipelines without excavating soil mass in a large range, and the like, becomes a main means for non-open cut construction of urban underground pipelines, and is widely applied to the fields of water supply and drainage, sewage treatment, communication, electric power pipelines and the like.
In the pipe jacking construction process, the starting well is usually reserved with a perforation for the pipe jacking machine and the pipeline to penetrate, and in order to facilitate the pipe jacking machine and the pipeline to penetrate, the inner diameter of the perforation is usually larger than the outer diameter of the pipeline, but the perforation and the pipeline are also provided with gaps, if the gaps are not sealed, groundwater and sediment outside the starting well can flow into the starting well from the gaps, the operation of a working pit is affected, the surface collapse at the upper part of a hole can be seriously caused, even accidents can be caused, and the safety of surrounding structures and underground pipelines is improved. It is often necessary to provide a sealing means to seal the gap between the perforations and the pipe.
With respect to the above-described related art, the inventors consider that there are the following drawbacks: at present, the sealing device at the perforation is mainly provided with an annular rubber door curtain at the perforation, and in the long-distance pipeline jacking process, the annular rubber door curtain and the annular rubber door curtain are easy to wear and damage, so that water stopping failure is caused, and therefore, an improvement space exists.
Disclosure of Invention
In order to reduce in the construction process of long distance pipe jacking, annular rubber door curtain takes place wearing and tearing, this application provides a pipe jacking construction entrance to a cave sealing device.
The application provides a pipe jacking construction entrance to a cave sealing device adopts following technical scheme:
the utility model provides a push pipe construction entrance to a cave sealing device, includes coaxial wears to establish the main pipe fitting of fixing in the perforation, the main pipe fitting stretches into the coaxial annular rubber door curtain that is provided with of one end in the well that originates, the main pipe fitting stretches into the one end in the well that originates and still coaxial coupling has vice pipe fitting, vice pipe fitting is provided with the lubrication mechanism towards the outer Zhou Tu brush lubricating oil of pipeline.
By adopting the technical scheme, when the pipe is jacking, the pipeline sequentially passes through the main pipe fitting and the auxiliary pipe fitting and then jacking construction is carried out, and the gap between the pipeline and the main pipe fitting is sealed by the annular rubber door curtain, so that sediment and groundwater outside the originating well are not easy to enter the originating well; through the arrangement of the main pipe fitting, on one hand, the installation of the annular rubber door curtain is facilitated, and on the other hand, the integral strength of the perforation position of the starting well is improved through the main pipe fitting, so that the perforation position is not easy to damage and collapse in the pipe jacking construction process; through the setting of lubrication mechanism, in the pipe jacking construction process, utilize lubrication mechanism to be favorable to reducing the frictional force between pipeline and the annular rubber door curtain towards the outer Zhou Tushua lubricating oil of pipeline for the annular rubber door curtain is difficult for wearing and tearing and leads to damaging, and then is convenient for annular rubber door curtain seal the clearance between perforation and the pipeline better.
Preferably, the lubrication mechanism comprises a plurality of oil pipes uniformly and circumferentially arranged at one end of the auxiliary pipe piece far away from the main pipe piece; the oil pipe is towards the rectangular hole of one end of vice pipe fitting axis all offered, the oil pipe is towards the flexible brush roller of the rectangular hole of sealing still rotating turret of one end of vice pipe fitting axis, the axis of revolution and the vice pipe fitting axis of flexible brush roller are perpendicular, when the pipeline wears to locate vice pipe fitting, flexible brush roller on the oil pipe all with pipeline periphery butt.
By adopting the technical scheme, the flexible brush roller is driven to rotate in the process of penetrating the auxiliary pipe fitting through the pipeline, and lubricating oil in the oil pipe can be coated on the periphery of the pipeline through the strip holes in the rotating process of the flexible brush roller, so that friction between the pipeline and the annular rubber door curtain is reduced; the flexible brush rolls on the plurality of oil pipes are all abutted with the periphery of the pipeline when the auxiliary pipe is penetrated through the pipeline, so that the pipeline can be guided to penetrate into the auxiliary pipe fitting better, the axis of the pipeline can be always coincident with the axis of the main pipe fitting, and the collision of the pipeline and the auxiliary pipe fitting is reduced in the pipe jacking process.
Preferably, the piston plates are arranged in the oil pipes in a sliding sealing mode, one sides, deviating from the strip holes, of the piston plates are provided with connecting rods, one ends of the flexible brush rollers are coaxially provided with fixing rods, connecting ropes are fixed on the peripheries of the fixing rods, and one ends, far away from the fixing rods, of the connecting ropes are detachably connected with the connecting rods.
By adopting the technical scheme, the flexible brush roller is driven to rotate when the pipeline is arranged in the auxiliary pipe fitting in a penetrating manner, the flexible brush roller drives the fixing rod to roll up the connecting rope, and the piston plate is driven to move towards the direction close to the strip hole in the rolling process of the connecting rope, so that lubricating oil in the oil pipe can be better pressed out of the strip through hole and falls onto the flexible brush roller, and the situation that the flexible brush pipe cannot brush the lubricating oil on the periphery of the pipeline due to the fact that the oil level in the oil pipe is lowered in the use process of the oil pipe positioned at the lower part of the auxiliary pipe fitting is reduced; when the lubricating oil in the oil pipe is used up, the connecting rope can be detached from the connecting rod, and the release of the connecting rope and the resetting of the piston plate can be realized.
Preferably, one ends of the main pipe fitting and the auxiliary pipe fitting, which are close to each other, are respectively coaxially provided with a main flange and an auxiliary flange, and the annular rubber door curtain is fixed between the main flange and the auxiliary flange through a bolt and nut pair.
By adopting the technical scheme, the annular rubber door curtain is detachably connected with the main pipe piece and the auxiliary pipe piece, when the annular rubber door curtain is installed, the annular rubber door curtain is placed between the main flange and the auxiliary flange, and then is fixed through the bolt and nut pair, so that the annular rubber door curtain can be installed, and the installation of the annular rubber door curtain is simpler and more convenient; on the other hand, the structure realizes the connection of the main pipe fitting and the auxiliary pipe fitting, so that the main pipe fitting and the auxiliary pipe fitting do not need to be integrally formed.
Preferably, the inner periphery of the main pipe piece is coaxially provided with an annular air bag, and the annular air bag is communicated with an air inlet pipe; an annular groove for embedding an annular air bag and a containing groove for embedding an air inlet pipe are formed in the main pipe fitting.
Through adopting the technical scheme, through the arrangement of the annular air bag, when the annular rubber door curtain is found to be slightly worn, the annular air bag can be inflated through the air inlet pipe, and the gap between the main pipe fitting and the pipeline is plugged by the inflated annular air bag, so that sediment and ground water outside the originating well are not easy to enter the originating well through the gap between the pipeline and the annular rubber door curtain; when the annular rubber door curtain needs to be replaced, the gap between the pipeline and the main pipe piece can be temporarily plugged by the expanded annular air bag, so that sediment and groundwater outside the starting well enter the starting well when the annular rubber door curtain is replaced, and the annular rubber door curtain is convenient to replace.
Preferably, the auxiliary pipe fitting is formed by splicing two groups of arc plates which are symmetrically arranged.
Through adopting above-mentioned technical scheme, during dismouting flexible rubber door curtain, demolish behind the bolt and nut pair of connection main flange and vice flange, remove two sets of arcs in the aspect of keeping away from each other, alright realize demolising vice pipe fitting from the pipeline, need remove the condition with vice pipe fitting from the pipeline tip when being favorable to reducing demolishing vice pipe fitting, the dismouting of the vice pipe fitting of being convenient for, and then make the dismouting of annular rubber door curtain simpler and more convenient.
Preferably, the splicing surfaces of the two groups of arc plates are respectively provided with a protrusion and a groove which are matched with each other, and the two groups of arc plates are spliced and matched with the grooves through the protrusions.
Through adopting above-mentioned technical scheme, through the setting of protruding recess, be favorable to promoting the connection integration of two sets of arcs, simultaneously, with just making two sets of arcs splice and form vice pipe fitting after protruding recess mutually supporting, the assembly of vice pipe fitting of being convenient for.
Preferably, the bottom of the auxiliary pipe fitting is provided with a plurality of diagonal bracing pieces, each diagonal bracing piece comprises a threaded sleeve provided with the bottom of the auxiliary pipe fitting, and a screw rod is coaxially connected in the threaded sleeve in a threaded manner.
Through adopting above-mentioned technical scheme, through the setting of bracing piece, be favorable to wearing to locate the vice pipe fitting with the pipeline when the load transfer to the originating well shaft bottom at vice pipe fitting for vice pipe fitting is difficult for taking place to warp, and the vice pipe fitting axis of being convenient for can keep the coincidence with the fenestrate axis of originating well better.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the main pipe piece is fixedly arranged in the perforation in a penetrating way, the annular rubber door curtain is coaxially arranged at one end of the main pipe piece, which is positioned in the starting well, the annular rubber door curtain is arranged at the perforation position for sealing a gap between the pipeline and the main pipe piece, meanwhile, the integral strength of the perforation of the window can be improved through the main pipe piece, the auxiliary pipe piece is coaxially connected with the auxiliary pipe piece, a lubrication mechanism for brushing lubricating oil towards the outer Zhou Tu of the pipeline is arranged on the auxiliary pipe piece, the lubricating mechanism is used for brushing the lubricating oil on the pipeline, the friction between the pipeline and the annular rubber door curtain is reduced, and the abrasion of the annular rubber door curtain is reduced;
2. the lubricating mechanism comprises an oil pipe uniformly encircling and fixing the end part of the auxiliary pipe fitting, and one end of the oil pipe facing the axis of the auxiliary pipe fitting is provided with a strip hole; the oil pipe still rotates towards the one end of vice pipe fitting axis and is provided with the flexible brush roller that is used for sealed rectangular hole, and the axis of revolution of flexible brush roller is perpendicular with the length direction of vice pipe fitting, and when the pipeline worn to locate vice pipe fitting, it rotates to drive flexible brush roller, and then makes flexible brush roller can brush the periphery of pipeline with lubricating oil.
Drawings
Fig. 1 is a schematic diagram of the internal structure of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1.
Fig. 3 is a schematic overall structure of an embodiment of the present application.
Fig. 4 is an enlarged schematic view of the portion B in fig. 3.
Fig. 5 is an exploded schematic view of an embodiment of the present application for illustrating a secondary pipe.
Reference numerals illustrate:
1. an originating well; 11. a pipe; 2. an annular rubber door curtain; 3. a main pipe fitting; 31. a main flange; 32. an annular groove; 33. a receiving groove; 4. an annular air bag; 41. an air inlet pipe; 5. an auxiliary pipe fitting; 50. an auxiliary flange; 51. an arc-shaped plate; 52. a threaded sleeve; 53. a screw; 54. a protrusion; 55. a groove; 6. an oil pipe; 60. an oil inlet valve; 61. a flexible brush roll; 62. a piston plate; 63. a connecting rod piece; 631. a main rod; 632. an auxiliary rod; 64. a fixed rod; 65. a connecting rope; 66. a rod; 67. and (5) a strip hole.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses pipe jacking construction entrance to a cave sealing device, refer to fig. 1 and 2, including wearing to establish the main pipe fitting 3 of fixing in the perforation of originating well 1, the main pipe fitting 3 is located the coaxial annular rubber door curtain 2 that is fixed with of one end in originating well 1, when pipeline 11 wears to locate main pipe fitting 3, annular rubber door curtain 2 inner periphery and pipeline 11 periphery butt realize the seal to the clearance between main pipe fitting 3 and pipeline 11, in the silt groundwater outside the restriction originating well 1 gets into originating well 1. The main pipe fitting 3 is located the main pipe fitting 3 and still coaxial being provided with vice pipe fitting 5 of one end in 1 of originating shaft, and the one end that vice pipe fitting 5 kept away from main pipe fitting 3 is provided with the lubricating structure that brushes lubricating oil towards the pipeline 11 outside Zhou Tu, is favorable to reducing the friction of pipeline 11 and annular rubber door curtain 2, slows down the wearing and tearing of annular rubber door curtain 2.
Referring to fig. 1 and 2, the main pipe 3 is coaxially fixed at the perforation of the originating well 1 by the adhesive mortar, so as to fix the main pipe 3 in this embodiment, the main pipe 3 and the auxiliary pipe 5 are both steel structures, one ends of the main pipe 3 and the auxiliary pipe 5, which are close to each other, are coaxially provided with a main flange 31 and an auxiliary flange 50, respectively, and a space is left between the main flange 31 and the wall of the originating well 1. The annular rubber door curtain 2 is positioned between the main flange 31 and the auxiliary flange 50, and the annular rubber door curtain 2 is fixed between the main flange 31 and the auxiliary flange 50 through a bolt and nut pair, so that the installation of the annular rubber door curtain 2 is realized. Through the setting of main pipe fitting 3, make things convenient for the installation of annular rubber door curtain 2 on the one hand, on the other hand is favorable to strengthening the bulk strength of the perforation department of originating well 1 through main pipe fitting 3 for in the push pipe work progress, the perforation of originating well 1 is difficult for collapsing.
Referring to fig. 1 and 2, the inner peripheral wall of the main pipe fitting 3 is further coaxially fixed with an annular air bag 4, the annular air bag 4 is communicated with an air inlet pipe 41, one end of the air inlet pipe 41 away from the annular air bag 4 extends out of the outer periphery of the inner end of the originating well 1 where the main pipe fitting 3 is located, the main pipe fitting 3 is further provided with an annular groove 55 for embedding the annular air bag 4 and an accommodating groove 33 for embedding the air inlet pipe 41, and the accommodating groove 33 is arranged, so that the air inlet pipe 41 is not easy to protrude to the inner periphery of the main pipe fitting 3, and friction with a pipeline 11 is reduced. When the annular air bag 4 is inflated to the limit state, the inner periphery of the annular air bag 4 abuts against the outer periphery of the pipe 11, and the gap between the pipe 11 and the main pipe 3 is sealed.
Referring to fig. 1 and 2, when the annular rubber door curtain 2 needs to be replaced, the annular air bag 4 can be inflated through the air inlet pipe 41, and then the annular air bag 4 is used for sealing the gap between the pipeline 11 and the main pipe fitting 3, so that the condition that sediment and groundwater outside the originating well 1 enter the originating well 1 through the gap between the main pipe fitting 3 and the pipeline 11 in the process of disassembling, assembling and replacing the annular rubber door curtain 2 is reduced; meanwhile, when the annular rubber door curtain 2 is slightly worn, the annular air bag 4 can be inflated through the air inlet pipe 41 until the inner periphery of the annular air bag is abutted against the pipeline 11, so that the condition that groundwater and silt outside the originating well 1 enter the originating well 1 through a gap between the annular rubber door curtain 2 and the pipeline 11 is reduced.
Referring to fig. 3 and 4, the lubrication mechanism includes four sets of oil pipes 6 fixed to the auxiliary pipe 5, the oil pipes 6 are used for storing lubricating oil, and the four sets of oil pipes 6 are uniformly distributed around the axis of the auxiliary pipe 5 in an environmental sanitation manner. An elongated hole 67 is formed in one end of the oil pipe 6 facing the axial direction of the auxiliary pipe fitting 5, and the length direction of the elongated hole 67 is perpendicular to the axial direction of the auxiliary pipe fitting 5. The periphery of the oil pipe 6 is communicated with an oil inlet valve 60, so that lubricating oil can be conveniently injected into the oil pipe 6. The oil pipe 6 is provided with a flexible brush roller 61 for plugging the long hole 67 in a rotating way towards one end of the axis of the auxiliary pipe 5, and the rotation axis of the flexible brush roller 61 is perpendicular to the axis direction of the auxiliary pipe 5. When the pipeline 11 is arranged on the auxiliary pipe fitting 5 in a penetrating way, the flexible brush rollers 61 on the four groups of oil pipes 6 are all abutted with the peripheral wall of the pipeline 11.
Referring to fig. 3 and 4, when the pipe 11 passes through the auxiliary pipe 5, the pipe 11 drives the four groups of flexible brush rollers 61 to rotate simultaneously, lubricating oil in the oil pipe 6 flows onto the flexible brush rollers 61 through the long strip holes 67, and then is uniformly coated onto the pipe 11 through the rotation of the flexible brush rollers 61, so that the lubricating oil is uniformly coated onto the periphery of the pipe 11, friction between the pipe 11 and the flexible brush rollers 61 in the jacking process is reduced conveniently, and the annular rubber door curtain 2 is not easy to wear and is more durable.
Referring to fig. 3 and 4, the oil pipe 6 is slidably sealed with a piston plate 62, a connecting rod 63 is disposed on a side of the piston plate 62 facing away from the elongated hole 67, the connecting rod 63 includes a main rod 631 fixed on the piston plate 62, an axis of the main rod 631 coincides with an axis of the oil pipe 6, one end of the piston plate 62, far away from the main rod 631, extends out of the oil pipe 6, the connecting rod 63 further includes a secondary rod 632 fixed on one end, far away from the piston plate 62, of the main rod 631, and the primary rod 631 and the secondary rod 632 are in a T-shaped arrangement. One end of the flexible brush roll 61 is coaxially fixed with a fixed rod 64, the fixed rod 64 is fixed with a connecting rope 65, one end of the connecting rope 65 far away from the fixed rod 64 is bound and fixed with an inserting rod 66, the inserting rod 66 is inserted into the end part of the auxiliary rod 632, and the detachable connection of the connecting rope 65 and the connecting rod 63 is realized.
Referring to fig. 3 and 4, when the pipe 11 passes through the auxiliary pipe fitting 5, the flexible brush roller 61 is driven to rotate, the flexible brush roller 61 rotates and drives the fixing rod 64 to wind the connecting rope 65, and then the connecting rope 65 drives the piston plate 62 to move towards the direction close to the strip hole 67, so that lubricating oil in the oil pipe 6 can be pressed out of the strip hole 67 and falls to the periphery of the flexible brush roller 61, the situation that the lubricating oil cannot contact with the flexible brush roller 61 due to the oil level falling in the use process of the oil pipe 6 positioned at the bottom of the auxiliary pipe fitting 5 is reduced, and the flexible brush roller 61 can better brush the lubricating oil in the oil pipe 6 to the periphery of the pipe 11. When it is desired to reset the piston plate 62, the plunger plate 62 is reset by simply removing the plunger 66 from the slave rod 632, and connecting rod 63.
Referring to fig. 3 and 5, the auxiliary pipe fitting 5 is formed by splicing two groups of symmetrically arranged arc plates 51, the splicing surfaces of the two groups of arc plates 51 are respectively provided with a matched protrusion 54 and a groove 55, the two groups of arc plates 51 are mutually spliced and matched with the groove 55 through the protrusions 54, when the auxiliary pipe fitting 5 is required to be dismantled, after the bolt and nut pairs between the main flange 31 and the auxiliary flange 50 are dismantled, the two groups of arc plates 51 are only required to be moved in the directions away from each other, so that the auxiliary pipe fitting 5 can be dismantled from the pipeline 11, and the situation that the auxiliary pipe fitting 5 is required to be moved out from the tail end of the pipeline 11 when the annular rubber door curtain 2 is installed by the auxiliary pipe fitting 5 is reduced.
Referring to fig. 3 and 5, the periphery of the bottom of the auxiliary pipe fitting 5 is further provided with two groups of diagonal bracing pieces, each diagonal bracing piece comprises a threaded sleeve 52 fixed on an arc plate 51 at the bottom of the auxiliary pipe fitting 5, one end of the threaded sleeve 52, which is far away from the arc plate 51, is coaxially connected with a screw 53, by arranging the diagonal bracing pieces, in the pipe jacking construction process, the load of the pipe 11 acting on the main pipe fitting 3 and the auxiliary pipe fitting 5 can be timely acted on the bottom of the originating well 1 through the diagonal bracing pieces, the condition that the load of the pipe 11 acts on the main pipe fitting 3 and the auxiliary pipe fitting 5 for a long time to cause the deformation of the main pipe fitting 3 and the auxiliary pipe fitting 5 is reduced, and the load is connected with the threaded sleeve 52 through the coaxial threads of the screw 53, so that the application range of the diagonal bracing pieces is facilitated to be improved.
The implementation principle of the embodiment of the application is as follows: when the pipe jacking construction is performed, the pipeline 11 is firstly penetrated at one end, far away from the main pipe fitting 3, of the auxiliary pipe fitting 5, the pipeline 11 is jacked in, the flexible brush roller 61 is driven to rotate in the jacking process, the fixing rod 64 is driven to wind the connecting rope 65 while the flexible brush roller 61 rotates, the piston plate 62 is driven to move towards the direction of the strip hole 67 by the connecting rod 63 in the winding process of the connecting rope 65, lubricating oil in the oil pipe 6 falls onto the flexible brush roller 61 through the strip hole 67, the lubricating oil can be coated on the pipeline 11 in the rotating process of the flexible brush roller 61, friction between the pipeline 11 and the annular rubber door curtain 2 is reduced, and abrasion of the annular rubber door curtain 2 is reduced.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a push pipe construction entrance to a cave sealing device which characterized in that: the device comprises a main pipe fitting (3) coaxially penetrating and fixed in a perforation, wherein an annular rubber door curtain (2) is coaxially arranged at one end of the main pipe fitting (3) extending into an originating well (1), an auxiliary pipe fitting (5) is coaxially connected at one end of the main pipe fitting (3) extending into the originating well (1), and a lubrication mechanism for brushing lubricating oil towards the outside Zhou Tu of a pipeline (11) is arranged at the auxiliary pipe fitting (5);
the lubricating mechanism comprises a plurality of oil pipes (6) uniformly and circumferentially arranged at one end, far away from the main pipe fitting (3), of the auxiliary pipe fitting (5); the oil pipe (6) is provided with strip holes (67) towards one end of the axis of the auxiliary pipe fitting (5), one end of the oil pipe (6) towards the axis of the auxiliary pipe fitting (5) is also rotatably provided with flexible brush rollers (61) for sealing the strip holes (67), the rotation axis of the flexible brush rollers (61) is perpendicular to the axis of the auxiliary pipe fitting (5), and when the pipeline (11) is arranged on the auxiliary pipe fitting (5) in a penetrating way, the flexible brush rollers (61) on the oil pipe (6) are abutted to the periphery of the pipeline (11);
the oil pipe (6) is internally provided with piston plates (62) in a sliding sealing manner, one sides of the piston plates (62) away from the strip holes (67) are provided with connecting rods (63), one ends of the flexible brush rollers (61) are coaxially provided with fixing rods (64), the peripheries of the fixing rods (64) are fixedly provided with connecting ropes (65), and one ends of the connecting ropes (65) away from the fixing rods (64) are detachably connected with the connecting rods (63); when the pipeline (11) is penetrated in the auxiliary pipe fitting (5), the pipeline (11) drives the four groups of flexible brush rollers (61) to rotate simultaneously, lubricating oil in the oil pipe (6) flows onto the flexible brush rollers (61) through the strip holes (67), and then is uniformly coated onto the pipeline (11) through the rotation of the flexible brush rollers (61), so that the lubricating oil is uniformly coated onto the periphery of the pipeline (11).
2. The pipe jacking construction tunnel portal water stop device according to claim 1, wherein: and one ends, close to each other, of the main pipe fitting (3) and the auxiliary pipe fitting (5) are respectively and coaxially provided with a main flange (31) and an auxiliary flange (50), and the annular rubber door curtain (2) is fixed between the main flange (31) and the auxiliary flange (50) through a bolt and nut pair.
3. The pipe jacking construction tunnel portal water stop device according to claim 2, wherein: an annular air bag (4) is coaxially arranged on the inner periphery of the main pipe piece (3), and the annular air bag (4) is communicated with an air inlet pipe (41); an annular groove (32) for embedding the annular air bag (4) and a containing groove (33) for embedding the air inlet pipe (41) are formed in the main pipe piece (3).
4. A pipe jacking construction tunnel portal water stop device as claimed in claim 3, wherein: the auxiliary pipe fitting (5) is formed by splicing two groups of arc plates (51) which are symmetrically arranged.
5. The pipe jacking construction tunnel portal water stop device according to claim 4, wherein: the splicing surfaces of the two groups of arc plates (51) are respectively provided with a protrusion (54) and a groove (55) which are matched with each other, and the two groups of arc plates (51) are spliced and matched with the groove (55) through the protrusions (54).
6. The pipe jacking construction tunnel portal water stop device according to claim 5, wherein: the bottom of the auxiliary pipe fitting (5) is provided with a plurality of diagonal bracing pieces, each diagonal bracing piece comprises a threaded sleeve (52) provided with the bottom of the auxiliary pipe fitting (5), and a screw (53) is coaxially connected with the threads in the threaded sleeve (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210691173.7A CN115126511B (en) | 2022-06-18 | 2022-06-18 | Pipe jacking construction entrance to a cave sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263590A (en) * | 1992-03-16 | 1993-10-12 | Shimizu Corp | Tail seal structure for shield excavator and tail seal method |
| JPH07238780A (en) * | 1994-02-28 | 1995-09-12 | Tokyo Gas Co Ltd | Execution method of underground piping |
| JPH0842288A (en) * | 1994-07-27 | 1996-02-13 | Hitachi Constr Mach Co Ltd | Shield excavator and seal method thereof |
| JPH08270392A (en) * | 1995-03-31 | 1996-10-15 | Okumura Corp | Water stop method at pipe propelling pit mouth |
| JPH09256794A (en) * | 1996-03-19 | 1997-09-30 | Nishimatsu Constr Co Ltd | Water stopping device for segment |
| JP2002349195A (en) * | 2001-05-24 | 2002-12-04 | Mitsubishi Heavy Ind Ltd | Tunnel boring machine |
| CN108626559A (en) * | 2018-06-12 | 2018-10-09 | 重庆合聚达智能装备有限公司 | A kind of fueller |
| CN210370716U (en) * | 2019-08-15 | 2020-04-21 | 中铁一局集团城市轨道交通工程有限公司 | Sealing structure of portal curtain type special-shaped water stopping air bag |
| CN111485899A (en) * | 2020-06-16 | 2020-08-04 | 上海市机械施工集团有限公司 | Shield tail water stop device and shield tail brush replacement method |
| CN211887763U (en) * | 2019-12-09 | 2020-11-10 | 胡峥 | Lubricating brush for mounting and dismounting machine tool |
| CN112761682A (en) * | 2021-02-04 | 2021-05-07 | 广东省水利水电第三工程局有限公司 | Water stop ring with split hinge rubber ring |
| CN113339585A (en) * | 2021-06-15 | 2021-09-03 | 浙江江南春建设集团有限公司 | Construction method of internally-penetrated steel pipe for water diversion project top pipe |
| CN215258170U (en) * | 2021-02-04 | 2021-12-21 | 广东省水利水电第三工程局有限公司 | Water stop ring with rubber ring air bag |
| CN114017044A (en) * | 2021-11-01 | 2022-02-08 | 中铁一局集团第二工程有限公司 | Shield originating end tunnel portal sealing device with high-pressure air bag and originating method |
-
2022
- 2022-06-18 CN CN202210691173.7A patent/CN115126511B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05263590A (en) * | 1992-03-16 | 1993-10-12 | Shimizu Corp | Tail seal structure for shield excavator and tail seal method |
| JPH07238780A (en) * | 1994-02-28 | 1995-09-12 | Tokyo Gas Co Ltd | Execution method of underground piping |
| JPH0842288A (en) * | 1994-07-27 | 1996-02-13 | Hitachi Constr Mach Co Ltd | Shield excavator and seal method thereof |
| JPH08270392A (en) * | 1995-03-31 | 1996-10-15 | Okumura Corp | Water stop method at pipe propelling pit mouth |
| JPH09256794A (en) * | 1996-03-19 | 1997-09-30 | Nishimatsu Constr Co Ltd | Water stopping device for segment |
| JP2002349195A (en) * | 2001-05-24 | 2002-12-04 | Mitsubishi Heavy Ind Ltd | Tunnel boring machine |
| CN108626559A (en) * | 2018-06-12 | 2018-10-09 | 重庆合聚达智能装备有限公司 | A kind of fueller |
| CN210370716U (en) * | 2019-08-15 | 2020-04-21 | 中铁一局集团城市轨道交通工程有限公司 | Sealing structure of portal curtain type special-shaped water stopping air bag |
| CN211887763U (en) * | 2019-12-09 | 2020-11-10 | 胡峥 | Lubricating brush for mounting and dismounting machine tool |
| CN111485899A (en) * | 2020-06-16 | 2020-08-04 | 上海市机械施工集团有限公司 | Shield tail water stop device and shield tail brush replacement method |
| CN112761682A (en) * | 2021-02-04 | 2021-05-07 | 广东省水利水电第三工程局有限公司 | Water stop ring with split hinge rubber ring |
| CN215258170U (en) * | 2021-02-04 | 2021-12-21 | 广东省水利水电第三工程局有限公司 | Water stop ring with rubber ring air bag |
| CN113339585A (en) * | 2021-06-15 | 2021-09-03 | 浙江江南春建设集团有限公司 | Construction method of internally-penetrated steel pipe for water diversion project top pipe |
| CN114017044A (en) * | 2021-11-01 | 2022-02-08 | 中铁一局集团第二工程有限公司 | Shield originating end tunnel portal sealing device with high-pressure air bag and originating method |
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|---|---|
| CN115126511A (en) | 2022-09-30 |
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