CN104963651A - Novel gushing-prevention device for small-sized orifice - Google Patents
Novel gushing-prevention device for small-sized orifice Download PDFInfo
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- CN104963651A CN104963651A CN201510451138.8A CN201510451138A CN104963651A CN 104963651 A CN104963651 A CN 104963651A CN 201510451138 A CN201510451138 A CN 201510451138A CN 104963651 A CN104963651 A CN 104963651A
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Abstract
The invention discloses a novel gushing-prevention device for a small-sized orifice. The novel gushing-prevention device comprises an internal seal assembly, an external seal assembly, an outer shell, a connecting cover, a first screw, a connecting assembly, an oil nozzle and a flange screw rod. The internal seal assembly and the external seal assembly are arranged in the interior of the outer shell. The connecting assembly is used for fixedly connecting the internal seal assembly, the external seal assembly and the outer shell. The connecting cover is fastened at the left end of the outer cover by means of the first screw. The oil nozzle is mounted onto the outer shell. The flange screw rod is arranged at the right end of the outer shell. The external circular surface of the outer shell is provided with a threaded hole.The novel gushing-prevention device for the small-sized orifice has following beneficial effects: by adoption of an internal seal and an external seal, a fine sealing effect is formed between the novel gushing-prevention device and a drill tool in order to effectively prevent muddy water from outwardly gushing; due to the fact that the internal seal can rotate along with the drill tool, the device is long in service lifetime and high in pressure-tolerant degree; and due to small size, the device is suitable for a narrow place, in particular for borehole grouting equipment in construction of an underground tunnel and borehole grouting of a tunnel boring machine TBM.
Description
Technical field
The invention belongs to and excavate and advance support technical field rock-soil layer, be specifically related to a kind of small aperture anti-spouting device, is when carrying out boring excavation or slip casting to rock-soil layer, the special-purpose assorted device preventing muddy water from outwards gushing.
Background technology
In subterranean tunnel tunneling construction, especially adopt tunnel machine TBM to carry out in construction of underground tunnel, adopt advance borehole slip casting construction method to carry out geology reinforcing, obtain and use more and more widely.In order to prevent mud from externally revealing or gushing in bored grouting process, anti-spouting device should be installed at orifice tube place.Because tunnel machine TBM inner space is narrow, current existing anti-spouting device volume is excessive, can not meet the requirement of installing space; Some anti-spouting devices, in form of structure, can not meet the requirement of operating characteristics.
Summary of the invention
The object of the invention is: a kind of small aperture anti-spouting device is provided, be adapted at narrow occasion and install and use.In the occasion that installing space is narrow, can meeting spatial requirement, the requirement of structure operation aspect can be met again.Be particularly useful for the instructions for use of tunnel machine TBM.
The technical scheme that the novel small aperture anti-spouting device of the present invention adopts is as follows:
The small aperture anti-spouting device that the present invention is novel, comprise interior black box, exterior seal assembly, shell body, connection cover, screw one, coupling assembling, oil nozzle and flange screw rod, described interior black box and exterior seal assembly are arranged on shell body inside, interior black box, exterior seal assembly and shell body are fixed connection by coupling assembling, connection cover is fastened on shell body left end by screw one, oil nozzle is arranged on shell body, flange screw rod is arranged on the right-hand member of shell body, and the right side periphery of shell body has screwed hole.
As preferred version of the present invention, described coupling assembling comprises bearing one, middle back-up ring, trip bolt and bearing two, bearing one and bearing two to be disposed between shell body and interior black box and to be positioned on the right side of connection cover, the external cylindrical surface of bearing one matches with shell body, the inner cylinder face of bearing one matches with interior black box, middle back-up ring between bearing one and bearing two and fastening with interior black box by trip bolt together with.
As preferred version of the present invention, described interior black box comprises gland, sealing ring one, sealing ring two, screw two, interior seal receptacle, interior sealing, adapter sleeve and screw three, together with screw two is fastening with interior seal receptacle gland, outside interior seal receptacle, there is draw-in groove, interior sealing is arranged on the draw-in groove of interior seal receptacle, interior seal receptacle periphery has seal groove, sealing ring two is arranged in the seal groove of interior seal receptacle periphery, gland cylindrical mask seal groove, sealing ring one is arranged in the seal groove of gland periphery, gland is positioned at adapter sleeve left end, together with screw three is fastening with adapter sleeve gland.
As preferred version of the present invention, described exterior seal assembly comprises sealing three, seal receptacle one, sealing four, seal receptacle two, sealing ring five, sealing six, seal receptacle three, sealing ring seven and sealing eight, sealing three is arranged in the seal groove of connection cover, seal receptacle one is positioned at the right side of bearing two, sealing four is arranged in the mounting groove of seal receptacle one, seal receptacle two is positioned at the right side of seal receptacle one, sealing ring five is arranged in the groove of seal receptacle two periphery, sealing six is arranged in the groove of seal receptacle two inner headed face, seal receptacle three is positioned at the right side of seal receptacle two, sealing ring seven is positioned at the groove of seal receptacle three periphery, sealing eight is arranged in the groove of envelope seat three inner headed face.
The advantage of the small aperture anti-spouting device that the present invention is novel is, in adopting, sealing and external seal, form excellent sealing effect with drilling tool, effectively prevent muddy water from outwards gushing.Because interior sealing can rotate with drilling tool, long service life, withstand voltage degree is high.And this device volume is little, be applicable to narrow occasion, be particularly useful for the bored grouting equipment in construction of underground tunnel, and with the bored grouting in tunnel machine TBM.
Accompanying drawing explanation
Fig. 1 is the 3D generalized section of the novel small aperture anti-spouting device of the present invention.
Fig. 2 is the front view of the novel small aperture anti-spouting device of the present invention.
Fig. 3 is that the novel small aperture anti-spouting device of the present invention creeps into working state figure.
Fig. 4 is that the novel small aperture anti-spouting device drilling tool of the present invention is deactivated state diagram.
In figure: black box in 1, 2 connection covers, 3 screws one, 4 shell bodies, 5 bearings one, 6 middle back-up rings, 7 trip bolts, 8 bearings two, 9 exterior seal assemblies, 10 oil nozzles, 11 flange screw rods, 12 screwed holes, 101 glands, 102 sealing rings one, 103 sealing rings two, 104 screws two, seal receptacle in 105, sealing in 106, 107 adapter sleeves, 108 screws three, 901 sealings three, 902 seal receptacles one, 903 sealings four, 904 seal receptacles two, 905 sealing rings five, 906 sealings six, 907 seal receptacles three, 908 sealing rings seven, 909 sealings eight, 13 first control valves, 14 second control valves, 15 orifice tubes, 16 drilling tools.
Detailed description of the invention
As shown in Figures 1 to 4, the small aperture anti-spouting device that the present invention is novel, comprise interior black box 1, exterior seal assembly 9, shell body 4, connection cover 2, screw 1, coupling assembling, oil nozzle 10 and flange screw rod 11, it is inner that described interior black box 1 and exterior seal assembly 9 are arranged on shell body 4, coupling assembling is by interior black box 1, exterior seal assembly 9 and shell body 4 are fixed connection, connection cover 2 is fastened on shell body 4 left end by screw 1, oil nozzle 10 is arranged on shell body 4, flange screw rod 11 is arranged on the right-hand member of shell body 4, the right side periphery of shell body 4 there is screwed hole 12.
Control valve 1 relies on bolton on orifice tube, the present invention relies on bolton on the first control valve 1, second control valve 2 is connected to the screwed hole 12 on the right side periphery of shell body 4, described control valve 1 adopts conventional control valve, orifice tube adopts conventional orifice tube, and the second control valve 2 adopts conventional control valve.
Coupling assembling comprises bearing 1, middle back-up ring 6, trip bolt 7 and bearing 28, bearing 1 and bearing 28 to be disposed between shell body 4 and interior black box 1 and to be positioned on the right side of connection cover 2, the external cylindrical surface of bearing 1 matches with shell body 4, the inner cylinder face of bearing 1 matches with interior black box 1, middle back-up ring 6 between bearing 1 and bearing 28 and by trip bolt 7 fastening with interior black box 1 together with.
Interior black box 1 comprises gland 101, sealing ring 1, sealing ring 2 103, screw 2 104, interior seal receptacle 105, interior sealing 106, adapter sleeve 107 and screw 3 108, together with screw 2 104 is fastening with interior seal receptacle 105 gland 101, outside interior seal receptacle 105, there is draw-in groove, interior sealing 106 is arranged on the draw-in groove of interior seal receptacle 105, interior seal receptacle 105 periphery has seal groove, sealing ring 2 103 is arranged in the seal groove of interior seal receptacle 105 periphery, gland 101 cylindrical mask seal groove, sealing ring 1 is arranged in the seal groove of gland 101 periphery, gland 101 is positioned at adapter sleeve 107 left end, together with screw 3 108 is fastening with adapter sleeve 107 gland 101.
Exterior seal assembly 9 comprises sealing 3 901, seal receptacle 1, seal 4 903, seal receptacle 2 904, sealing ring 5 905, seal 6 906, seal receptacle 3 907, sealing ring 7 908 and sealing 8 909, sealing 3 901 is arranged in the seal groove of connection cover 2, seal receptacle 1 is positioned at the right side of bearing 28, sealing 4 903 is arranged in the mounting groove of seal receptacle 1, seal receptacle 2 904 is positioned at the right side of seal receptacle 1, sealing ring 5 905 is arranged in the groove of seal receptacle 2 904 periphery, sealing 6 906 is arranged in the groove of seal receptacle 2 904 inner headed face, seal receptacle 3 907 is positioned at the right side of seal receptacle 2 904, sealing ring 7 908 is positioned at the groove of seal receptacle 3 907 periphery, seal 8 909 to be arranged in the groove of envelope seat 3 907 inner headed face.
During use, by the interstitial hole of drilling tool 16 through inside of the present invention, then pass the interstitial hole of the first control valve 13 inside, enter into the interstitial hole of orifice tube 15, creep into, interior black box 1 can be followed drilling tool 16 and be rotated.The muddy water of discharging when creeping into is discharged by the second control valve 14, and described drilling tool 16 adopts conventional drilling tool.
Assembling completes, and when carrying out creeping into work, the sealing state that the present invention and drilling tool drilling rod are formed, becomes two cavitys compartition: external cavity A and internal cavity B, and when the second control valve 14 open-type, internal cavity B ability and external cavity A communicate.So when there being muddy water to pour in B chamber from orifice tube 15, can not gush arbitrarily, can be effectively controlled.
When work complete exit drilling tool 16 time, drilling tool head exits the first control valve 13, and closes the first control valve 13.
Claims (4)
1. a novel small aperture anti-spouting device, it is characterized in that: comprise interior black box (1), exterior seal assembly (9), shell body (4), connection cover (2), screw one (3), coupling assembling, oil nozzle (10) and flange screw rod (11), it is inner that described interior black box (1) and exterior seal assembly (9) are arranged on shell body (4), coupling assembling is by interior black box (1), exterior seal assembly (9) and shell body (4) are fixed connection, connection cover (2) is fastened on shell body (4) left end by screw one (3), oil nozzle (10) is arranged on shell body (4), flange screw rod (11) is arranged on the right-hand member of shell body (4), the right side periphery of shell body (4) there is screwed hole (12).
2. novel small aperture anti-spouting device according to claim 1, it is characterized in that: described coupling assembling comprises bearing one (5), middle back-up ring (6), trip bolt (7) and bearing two (8), bearing one (5) and bearing two (8) to be disposed between shell body (4) and interior black box (1) and to be positioned at connection cover (2) right side, the external cylindrical surface of bearing one (5) matches with shell body (4), the inner cylinder face of bearing one (5) matches with interior black box (1), middle back-up ring (6) to be positioned between bearing one (5) and bearing two (8) and pass through trip bolt (7) fastening with black box (1) together with.
3. novel small aperture anti-spouting device according to claim 1, it is characterized in that: described interior black box (1) comprises gland (101), sealing ring one (102), sealing ring two (103), screw two (104), interior seal receptacle (105), interior sealing (106), adapter sleeve (107) and screw three (108), screw two (104) gland (101) and interior seal receptacle (105) together fastening, interior seal receptacle (105) outside has draw-in groove, interior sealing (106) is arranged on the draw-in groove of interior seal receptacle (105), interior seal receptacle (105) periphery has seal groove, sealing ring two (103) is arranged in the seal groove of interior seal receptacle (105) periphery, gland (101) cylindrical mask seal groove, sealing ring one (102) is arranged in the seal groove of gland (101) periphery, gland (101) is positioned at adapter sleeve (107) left end, screw three (108) gland (101) and adapter sleeve (107) together fastening.
4. novel small aperture anti-spouting device according to claim 1, it is characterized in that: described exterior seal assembly (9) comprises sealing three (901), seal receptacle one (902), sealing four (903), seal receptacle two (904), sealing ring five (905), sealing six (906), seal receptacle three (907), sealing ring seven (908) and sealing eight (909), sealing three (901) is arranged in the seal groove of connection cover (2), seal receptacle one (902) is positioned at the right side of bearing two (8), sealing four (903) is arranged in the mounting groove of seal receptacle one (902), seal receptacle two (904) is positioned at the right side of seal receptacle one (902), sealing ring five (905) is arranged in the groove of seal receptacle two (904) periphery, sealing six (906) is arranged in the groove of seal receptacle two (904) inner headed face, seal receptacle three (907) is positioned at the right side of seal receptacle two (904), sealing ring seven (908) is positioned at the groove of seal receptacle three (907) periphery, sealing eight (909) is arranged in the groove of envelope seat three (907) inner headed face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510451138.8A CN104963651B (en) | 2015-07-29 | 2015-07-29 | New small aperture anti-spouting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510451138.8A CN104963651B (en) | 2015-07-29 | 2015-07-29 | New small aperture anti-spouting device |
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| Publication Number | Publication Date |
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| CN104963651A true CN104963651A (en) | 2015-10-07 |
| CN104963651B CN104963651B (en) | 2017-10-10 |
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| CN201510451138.8A Active CN104963651B (en) | 2015-07-29 | 2015-07-29 | New small aperture anti-spouting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050182A (en) * | 2016-06-27 | 2016-10-26 | 阜宁县石油机械有限公司 | Enhanced synchronous rotation blowout preventer |
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
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| CN105840829A (en) * | 2016-04-11 | 2016-08-10 | 中国矿业大学 | Impact-rotary high-pressure sealing device |
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| IT1148764B (en) * | 1980-02-19 | 1986-12-03 | Saipem Spa | INFLANGEMENT FOR THE SUSPENSION OF COLUMNS OF COATING AND PRODUCTION PIPES FOR HIGH PRESSURE PETROLEUM OR GASES |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106050182A (en) * | 2016-06-27 | 2016-10-26 | 阜宁县石油机械有限公司 | Enhanced synchronous rotation blowout preventer |
| CN106050182B (en) * | 2016-06-27 | 2018-06-12 | 阜宁县石油机械有限公司 | A kind of enhanced synchronous rotary preventer |
| CN114396241A (en) * | 2022-03-28 | 2022-04-26 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
| CN114396241B (en) * | 2022-03-28 | 2022-06-10 | 四川新为橡塑有限公司 | Double-layer sealed spherical rubber core and annular blowout preventer |
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| Publication number | Publication date |
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| CN104963651B (en) | 2017-10-10 |
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