CN102677724A - Mechanical steel sleeve installation device and mechanical steel sleeve installation method - Google Patents
Mechanical steel sleeve installation device and mechanical steel sleeve installation method Download PDFInfo
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- CN102677724A CN102677724A CN2012101579934A CN201210157993A CN102677724A CN 102677724 A CN102677724 A CN 102677724A CN 2012101579934 A CN2012101579934 A CN 2012101579934A CN 201210157993 A CN201210157993 A CN 201210157993A CN 102677724 A CN102677724 A CN 102677724A
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Abstract
The invention provides a mechanical steel sleeve installation device. The device comprises a steel sleeve, a guide rail, a thrustor, a cutting machine head, a slurry charge pipe, a slurry discharge pipe, a steel wire rope, a steel wire rope guide pipe, a power device, a hydraulic station, a slurry treatment unit of a slurry discharge pump, a slurry charge pump, a drag reduction slurry filling pipe, a drag reduction slurry annular shunting device, a drag reduction slurry injection system and a rotary recycling system. The invention also provides a mechanical steel sleeve installation method. The method comprises the following working processes of: (1) site preparation; (2) equipment installation; (3) thrusting and cutting; (4) steel sleeve connection; (5) continuous thrusting; (6) the steel sleeve installing in place; (7) the cutting machine head recycling; and (8) the installation of the steel sleeve finishing. By using the mechanical steel sleeve installation device and the mechanical steel sleeve installation method provided by the invention, a dead hole can be excavated and the steel sleeve can be prepared and installed in place; and therefore, the device and the method are suitable for full geological type pipe installation, and are safe, reliable and high in installation efficiency.
Description
Technical field
The present invention relates to non-excavation pipeline laying technical field, particularly a kind of mechanical type steel sleeve erecting device and mounting method thereof.
Background technology
What the conventional horizontal orientation adopted when drilling difficult pore-forming stratum such as getting over layer of sand, gravel layer is to ram the process that sleeve pipe is isolated the ovum gravel with tamping tube hammer.But this method is not full geology type, in practical application, constantly occurs Failure cases in recent years yet.The main problem that exists has following 4 points: (1) sleeve pipe is rammed not in place, and for example certain bar river is calmed down to drilling more 150 meters of sleeve design distances, and reality is only rammed 50 meters, and causing orientation to drill more can't construct, and changes heavy excavation into.(2) the cannula tip sinking number of degrees big (up to 4 °) cause that the directional drilling track changes, traverse distance is elongated, increase construction cost and time.(3) because of groundwater table is high, can't accomplish the operation of fetching earth in the artificial sleeve pipe, the mechanical type soil output is prone to blocked by big gravel, can't use.(4) big because of casing length, frictional resistance is big, the steel sleeve of ramming can't go deep into the ground consisting of hard rock of hardness 60Mpa fully, mud is revealed and is emitted the slurry phenomenon when causing the horizontal directional drill reaming.
Summary of the invention
Technical problem to be solved by this invention provides a kind of can the excavation blind hole, long mechanical type steel sleeve erecting device and mounting method thereof apart from steel sleeve is installed by mechanical type.
For solving the problems of the technologies described above; The invention provides a kind of mechanical type steel sleeve erecting device, comprise steel sleeve, guide rail, thrustor, cutting head, inlet pipe, discharge pipe, wire rope, wire rope conduit, power set, Hydraulic Station, slurry pump mud conditioning unit, advance stock pump, drag reduction mud ascending pipe, drag reduction mud hoop part flow arrangement, drag reduction mud injected system and rotation recovery system; Said thrustor is fixed on the guide rail transmitting terminal, and thrustor is connected with said Hydraulic Station, and said steel sleeve rear end is against on the said thrustor, the steel sleeve front end is installed said cutting head, and said cutter portion end to end is equipped with said rotation recovery system; Said drag reduction mud hoop part flow arrangement and said drag reduction mud ascending pipe are fixed on said steel sleeve front end outer wall, and said drag reduction mud ascending pipe is connected with said drag reduction mud injected system; It is inner that said inlet pipe and said discharge pipe are arranged on said steel sleeve, and said inlet pipe advances stock pump and is connected with said, and said discharge pipe is connected with said slurry pump mud conditioning unit; Said wire rope conduit one end is fixed on the said thrustor, and said wire rope one end passes said wire rope conduit and said thrustor and is connected to said cutter and holds end to end that the U-shaped at middle part is buckled, the other end is connected with said power set.
Further, the head of said cutting head is provided with movable cutterhead and is used for fixing the cutterhead fixed pin shaft of said movable cutterhead, and the cutter back of head is provided with " I " shape steel bar, with said steel sleeve end inwall be provided with " [" shape steel bar is complementary.
Further, said cutter portion end to end is provided with rear bulkhead, and said rear bulkhead rear side is installed said rotation recovery system.
Further; Said rotation recovery system reclaims hydraulic cylinder by bracing frame, hydraulic leg, rotation and bearing pin constitutes; Said hydraulic leg and said rotation are reclaimed hydraulic cylinder and are fixed on the support frame as described above; Be supported on the said steel sleeve inwall after the said hydraulic leg elongation, external part was fixed on the said cutting head rear bulkhead through said bearing pin when the hydraulic cylinder contraction was reclaimed in said rotation.
Further; Said drag reduction mud hoop part flow arrangement is the annular plectane of " L " tee section; Be fixed on the said steel sleeve outer wall, said drag reduction mud ascending pipe slurry output end is positioned at said drag reduction mud hoop part flow arrangement rear portion and the said drag reduction mud hoop part flow arrangement 4-6cm of distance.
The present invention also provides a kind of mechanical type steel sleeve mounting method, comprises following operation: prepare in (1) place; (2) equipment is installed; (3) jacking cutting; (4) steel sleeve continues; (5) continue jacking; (6) steel sleeve is in place; (7) regain the cutting head; (8) steel sleeve installation;
Wherein, said operation (2) equipment is installed and is comprised:
A) lay guide rail, thrustor is installed, said wire rope conduit is embedded in the stratum, left end is welded on the said thrustor;
B) the sealing sealing ring is installed, the cutting head is installed, the rotation recovery system is installed, make the rotation recovery system fix the cutting head through the rear bulkhead of fixing cutting head;
C) drag reduction mud hoop part flow arrangement and drag reduction mud ascending pipe are installed, installation inlet pipe and discharge pipe are fixed to cutter with steel wire penetrating wire rope conduit and thrustor and hold the U-shaped in centre to buckle end to end.
Said operation (7) is regained cutting head operation and is comprised: wire rope is linked to each other with power set; Start the rotation recovery system, the moment of torsion that relying on rotation to reclaim hydraulic cylinder provides will cut " I " shape steel bar on the head and " rotate in [" section steel bar from the steel sleeve inwall; Restart power set pulling cutting head, the movable cutterhead of cutting head is stuck in the steel sleeve end, folding movable cutterhead under the lineoutofservice signal pull effect, and folding contraction of movable cutterhead cut off the cutterhead fixed pin shaft; Continuation startup power set will cut head and pull out from steel sleeve.
Further, the method for said installation thrustor is to place thrustor on the right side of guide rail, and the back backrest of thrustor with thrustor is weldingly fixed on through the iron and steel built-in fitting.
Further, the method for said installation cutting head with " I " shape steel bar on the cutting head aim at the steel sleeve inwall " insert [" shape steel bar gap and the rotary cutting head makes " I " shape steel bar and " end face of [" shape steel bar fits tightly.
Further; The method of said installation rotation recovery system is to regulate hydraulic leg to make its elongate support fixing whole rotation recovery system on the steel sleeve inwall; Regulate rotation recovery hydraulic cylinder and be in contraction state, the external part that makes rotation reclaim hydraulic cylinder is fixed on the cutting head rear bulkhead that is adjacent through bearing pin.
Mechanical type steel sleeve erecting device provided by the invention and mounting method thereof have following characteristics:
1) can excavate blind hole, steel sleeve is in place, flexible cutting head can be from whole withdrawal the in the sleeve pipe; Be disassembled into the loose mail piecemeal without personnel's entering and transport, guaranteed personnel's under the high hydraulic pressure safety, improved efficiency of construction.
2) mechanical type excavation, liquid deslagging have replaced the artificial in the past backward form of construction work that fetches earth, and have reduced hand labor intensity; Efficient is high, and is safe and reliable.
3) full geology type can be at layer of sand, ovum gravel, rubble, accomplish the sleeve pipe installation than ratchel (more than the φ 100mm) and compressive strength up to the rock stratum of 100Mpa; Break through tamping tube hammer and rammed geology inadaptability and the limitation of sleeve pipe.
Description of drawings
The steel sleeve erecting device vertical cross-section diagram that Fig. 1 provides for the embodiment of the invention.
The steel sleeve erecting device layout plan that Fig. 2 provides for the embodiment of the invention.
The vertical cross-section diagram of the rotation recovery system of the steel sleeve erecting device that Fig. 3 provides for the embodiment of the invention.
The vertical view of the rotation recovery system of the steel sleeve erecting device that Fig. 4 provides for the embodiment of the invention.
The drag reduction mud hoop part flow arrangement structural representation of the steel sleeve erecting device that Fig. 5 provides for the embodiment of the invention.
The steel sleeve mounting method implementing process sketch map that Fig. 6 provides for the embodiment of the invention.
The specific embodiment
Referring to Fig. 1 and Fig. 2; A kind of mechanical type steel sleeve erecting device that the embodiment of the invention provides comprises cutting head 1, steel sleeve 2, guide rail 5, inlet pipe 6, discharge pipe 7, thrustor 8, wire rope 9, wire rope conduit 10, power set 11, Hydraulic Station 12, slurry pump mud conditioning unit 13, advances stock pump 14, rotates recovery system 16, drag reduction mud injected system 15, drag reduction mud ascending pipe 21 and drag reduction mud hoop part flow arrangement 22.Guide rail 5 is anchored at operating pit 4 bottoms; Thrustor 8 is fixed on guide rail 5 transmitting terminals, and thrustor 8 is connected with Hydraulic Station 12, and steel sleeve 2 rear ends are against on the thrustor 8; Steel sleeve 2 front ends are installed cutting head 1, and cutting head 1 afterbody is equipped with rotation recovery system 16; Drag reduction mud hoop part flow arrangement 22 is fixed on steel sleeve 2 front end outer walls with drag reduction mud ascending pipe 21, and drag reduction mud ascending pipe 21 and drag reduction mud injected system 15 are connected through flexible pipe; Inlet pipe 6 is arranged on steel sleeve 2 inside with discharge pipe 7, inlet pipe 6 other ends with advance stock pump 14 and be connected, discharge pipe 7 other ends are connected with slurry pump mud conditioning unit 13; Wire rope conduit 10 1 ends are fixed on the thrustor 8, and the U-shaped in the middle part of wire rope 9 one ends pass wire rope conduit 10 and thrustor 8 is connected to cutting head 1 tail end is buckled, the other end is connected with power set 11.
The head of cutting head 1 is provided with movable cutterhead 24 and the cutterhead fixed pin shaft 23 that is used for fixing movable cutterhead 24; Cutting head 1 rear portion is provided with " I " shape steel bar 20, and the inwall of steel sleeve 2 ends is provided with " [" shape steel bar 19 that is complementary with " I " shape steel bar 20.
Referring to Fig. 3 and Fig. 4; Cutter 1 afterbody is provided with rear bulkhead 28; Rear bulkhead 28 rear sides are settled rotation recovery system 16; Rotation recovery system 16 reclaims hydraulic cylinder 31 by bracing frame 17, hydraulic leg 29, rotation and bearing pin 30 constitutes, and hydraulic leg 29 reclaims hydraulic cylinder 31 with rotation and is fixed on the bracing frame 17 through bolt 32, and hydraulic leg 29 elongate support are in the fixing whole rotation recovery system 16 of steel sleeve 2 inwalls; The external part that is in the rotation recovery hydraulic cylinder 31 of contraction state is fixed on the rear bulkhead 28 of the cutting head 1 that is adjacent through bearing pin 30, prevents to cut head 1 rotation; When need reclaiming, rotation is reclaimed hydraulic cylinder 31 and is stretched out, and " I " shape steel bar 20 that provides moment of torsion will cut head 1 rotates to that " 18 places, space of [" shape steel bar 19 pull out with wire rope 9 again.
Referring to Fig. 5; Drag reduction mud hoop part flow arrangement 22 is annular plectanes of " L " tee section; Be fixed on the said steel sleeve 2 front end outer walls; Drag reduction mud ascending pipe 21 is welded on steel sleeve 2 front end outer walls, and the slurry output end of drag reduction mud ascending pipe 21 is positioned at drag reduction mud hoop part flow arrangement 22 rear portions and apart from drag reduction mud hoop part flow arrangement 22 4-6cm is arranged.
Referring to Fig. 6, a kind of mechanical type steel sleeve mounting method provided by the invention specifically comprises following operation:
1) prepare in the place
Place cleaning is pressed the construction requirement excavation and is sent operating pit 4, carries out thrustor backrest wall 26.
2) equipment is installed
A, laying guide rail, thrustor is installed: guide rail 5 is laid in the bottom at operating pit, thrustor 8 is placed on the right side, and the back backrest 26 of thrustor 8 with thrustor 8 is weldingly fixed on through the iron and steel built-in fitting; Wire rope conduit 10 is embedded in the stratum 25, and its left end is weldingly fixed on the thrustor 8, is used to pass wire rope 9.
B, 27 sealing sealing rings 3 prevent that steel sleeve from injecting in jack-in process drag reduction mud be installed revealed burying a little, with " I " shape steel bar on the cutting head 1 20 aim at be welded on steel sleeve 2 inwalls " space 18 that [" shape steel bar forms is inserted and rotary cutting head 1 makes " I " shape steel bar 20 and " [" shape steel bar 19 end faces fit tightly; Lay rotation recovery system 16 at cutting head rear bulkhead 28 rear sides; Hydraulic leg 29 elongate support of rotation recovery system 16 are in the fixing whole rotation recovery system 16 of steel sleeve 2 inwalls; The external part that is in the rotation recovery hydraulic cylinder 31 of contraction state is fixed on the rear bulkhead 28 of the cutting head 1 that is adjacent through bearing pin 30, prevents to cut head 1 rotation; To cut head 1 through crane at last is placed on the guide rail 5 with steel sleeve 2.
C, pipeline are installed: at the steel sleeve 2 outside drag reduction mud hoop part flow arrangements 22 of installing, at steel pipe outside welding drag reduction mud ascending pipe 21, drag reduction mud ascending pipe 21 rearward end are connected with drag reduction mud injected system 15 usefulness flexible pipes; In steel duct inlet pipe 6 and discharge pipe 7 are installed, and with the other end of inlet pipe 6 with advance stock pump 14 and be connected, the other end of discharge pipe 7 is connected with slurry pump mud conditioning unit 13; Wire rope 9 buckled through U-shaped be fixed to cutting head 1 tail end centre.
3) jacking cutting
Start cutting head 1, thrustor 8 and drag reduction mud injected system 15; Steel sleeve 2 is slowly sent into sealing sealing ring 3; Drive thrustor 8 through Hydraulic Station 12 then and promote steel sleeve 2, normal jacking under the continuous cutting of cutting head 1, the landwaste under the cutting is got rid of from discharge pipe 7.
4) steel sleeve continues
After first steel sleeve jacking, the oil cylinder of thrustor 8 is regained, and lifts next root steel sleeve (length 10m), with two steel sleeves with the alignment of pipeline external clamp, manual welding together; Reclose inlet pipe 6 and discharge pipe 7; The drag reduction mud ascending pipe 21 that continues, the drag reduction mud ascending pipe 21 that will continue after prolonging with flexible pipe connects with drag reduction mud injected system 15.
5) set by step 3) continue jacking.
6) the new steel sleeve that continues is again accomplished in jacking, and repeating step 4 then) and 5).
7) steel sleeve is in place, and regains the cutting head.
After steel sleeve was in place, dismounting inlet pipe 6 and discharge pipe 7 passed wire rope 9 wire rope conduit 10 and link to each other with power set 11 (like excavator); Start rotation recovery system 16; Rotation is reclaimed hydraulic cylinder 31 and is stretched out; " I " shape steel bar 20 that provides moment of torsion will cut head 1 rotates to steel sleeve 2 inwalls, and " 18 places, space of [" shape steel bar 19 start power set 11 through wire rope 9 pulling cutting heads 1, and the movable cutterhead 24 of cutting head 1 is stuck in steel sleeve 2 ends; Movable cutterhead 24 folds contraction and cutterhead fixed pin shaft 23 is cut off under wire rope 9 tension, and continuation startup power set 11 will cut head 1 and pull out from steel sleeve 2.
8) remove construction equipment, steel sleeve installation.
With specific embodiment mechanical type steel sleeve mounting method provided by the invention is described below; Present embodiment is applicable to gravel layer; Stone maximum gauge 500mm, rock maximum compressive strength 85Mpa, ground water pressure 0.2Mpa; 16 ° of the installation steel bushing pipe range 191m of institute, diameter phi 2064mm, penetrating angle, concrete scheme is following:
After getting into the job site; Equipment needed thereby is arranged installation by steel sleeve erecting device vertical cross-section diagram shown in Figure 1 and steel sleeve erecting device layout plan shown in Figure 2; The bottom of operating pit 4 lay guide rail 5, right side place thrustor 8 and with its with stratum 25 and thrustor after backrest 26 firmly fix; Wire rope conduit 10 is embedded in the stratum 25, and its left end is weldingly fixed on the thrustor 8, is used to pass wire rope 9; 27 sealing sealing rings 3 are installed burying a little, will cuts head 1 and be installed in steel sleeve 2 inside and be lifted on the guide rail 5; At inner inlet pipes 6 and the discharge pipes 7 installed of steel sleeve 2, and with inlet pipe 6 with advance stock pump 14 and be connected, discharge pipe 7 is connected with slurry pump mud conditioning unit 13; Wire rope 9 is connected to cutting head 1 tail end centre U-shaped to be buckled.
Start cutting head 1, thrustor 8 and drag reduction mud injected system 15, steel sleeve 2 is slowly sent into sealing sealing ring 3, normal then jacking, the landwaste under the cutting is got rid of from discharge pipe 7.
After first steel sleeve jacking, the oil cylinder of thrustor 8 is regained, and lifts another root steel sleeve (length 10m); Two steel sleeves are welded together, reclose inlet pipe 6 and discharge pipe 7, welding also is communicated with resistance mud ascending pipe 21; After steel sleeve was in place, dismounting inlet pipe 6 and discharge pipe 7 passed wire rope 9 wire rope conduit 10 and link to each other with power set 11 (like excavator); Start rotation and reclaim hydraulic cylinder 16; The moment of torsion that relying on rotation to reclaim hydraulic cylinder 16 provides will cut head 1 in the steel sleeve 2 " rotation is deviate from [" section steel bar 19, starts power set 11 (like excavator) through wire rope 9 pulling cutting heads 1, and the movable cutterhead 24 that cuts head 1 is stuck in steel sleeve 2 ends; Movable cutterhead 24 folds contraction and cutterhead fixed pin shaft 23 is cut off under the lineoutofservice signal pull effect; Continuation startup power set 11 (like excavator) will cut head 1 and pull out from steel sleeve 2, remove construction equipment at last, the steel sleeve installation.
Mechanical type steel sleeve mounting method provided by the invention can be in place steel sleeve through The field, and gos deep into 20m in the basement rock, and can be smoothly cutting head whole withdrawal in the sleeve pipe.Through measuring, the sleeve pipe installation site is accurate, and the end sinks not obvious.The geological conditions of being installed is a gravel layer, stone maximum gauge 500mm, rock maximum compressive strength 85Mpa, ground water pressure 0.2Mpa.Engineering practice shows that this mechanical type steel sleeve mounting method meets engineering reality, reasonable, simple and reliable, the no stuck phenomenon of cutting head recovery scheme.Reached design object.
It should be noted last that; The above specific embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to instance the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. mechanical type steel sleeve erecting device is characterized in that: comprise steel sleeve, guide rail, thrustor, cutting head, inlet pipe, discharge pipe, wire rope, wire rope conduit, power set, Hydraulic Station, slurry pump mud conditioning unit, advance stock pump, drag reduction mud ascending pipe, drag reduction mud hoop part flow arrangement, drag reduction mud injected system and rotation recovery system; Said thrustor is fixed on the guide rail transmitting terminal, and thrustor is connected with said Hydraulic Station, and said steel sleeve rear end is against on the said thrustor, the steel sleeve front end is installed said cutting head, and said cutter portion end to end is equipped with said rotation recovery system; Said drag reduction mud hoop part flow arrangement and said drag reduction mud ascending pipe are fixed on said steel sleeve front end outer wall, and said drag reduction mud ascending pipe is connected with said drag reduction mud injected system; It is inner that said inlet pipe and said discharge pipe are arranged on said steel sleeve, and said inlet pipe advances stock pump and is connected with said, and said discharge pipe is connected with said slurry pump mud conditioning unit; Said wire rope conduit one end is fixed on the said thrustor, and said wire rope one end passes said wire rope conduit and said thrustor and is connected to said cutter and holds end to end that the U-shaped at middle part is buckled, the other end is connected with said power set.
2. mechanical type steel sleeve erecting device according to claim 1; It is characterized in that: the head of said cutting head is provided with movable cutterhead and the cutterhead fixed pin shaft that is used for fixing said movable cutterhead; The cutter back of head is provided with " I " shape steel bar, with said steel sleeve end inwall be provided with " [" shape steel bar is complementary.
3. mechanical type steel sleeve erecting device according to claim 2, it is characterized in that: said cutter portion end to end is provided with rear bulkhead, and said rear bulkhead rear side is installed said rotation recovery system.
4. mechanical type steel sleeve erecting device according to claim 3; It is characterized in that: said rotation recovery system reclaims hydraulic cylinder by bracing frame, hydraulic leg, rotation and bearing pin constitutes; Said hydraulic leg and said rotation are reclaimed hydraulic cylinder and are fixed on the support frame as described above; Be supported on the said steel sleeve inwall after the said hydraulic leg elongation, external part was fixed on the said cutting head rear bulkhead through said bearing pin when the hydraulic cylinder contraction was reclaimed in said rotation.
5. mechanical type steel sleeve erecting device according to claim 1; It is characterized in that: said drag reduction mud hoop part flow arrangement is the annular plectane of " L " tee section; Be fixed on the said steel sleeve outer wall, said drag reduction mud ascending pipe slurry output end is positioned at annular plectane rear portion of " L " tee section and the annular plectane 4-6cm of distance " L " tee section.
6. a method of steel sleeve being installed with the said device of claim 1 is characterized in that, comprise following operation: prepare in (1) place; (2) equipment is installed; (3) jacking cutting; (4) steel sleeve continues; (5) continue jacking; (6) steel sleeve is in place; (7) regain the cutting head; (8) steel sleeve installation; Wherein,
Said operation (2) equipment is installed and is comprised:
A) lay guide rail, thrustor is installed, said wire rope conduit is embedded in the stratum, left end is welded on the said thrustor;
B) the sealing sealing ring is installed, the cutting head is installed, the rotation recovery system is installed, make the rotation recovery system fix the cutting head through the rear bulkhead of fixing cutting head;
C) drag reduction mud hoop part flow arrangement and drag reduction mud ascending pipe are installed, installation inlet pipe and discharge pipe are fixed to cutter with steel wire penetrating wire rope conduit and thrustor and hold the U-shaped in centre to buckle end to end;
Said operation (7) is regained cutting head operation and is comprised: wire rope is connected with power set; Start the rotation recovery system, the moment of torsion that relying on rotation to reclaim hydraulic cylinder provides will cut " I " shape steel bar on the head and " rotate in [" section steel bar from the steel sleeve inwall; Restart power set pulling cutting head, the movable cutterhead of cutting head is stuck in the steel sleeve end, folding movable cutterhead under the lineoutofservice signal pull effect, and folding contraction of movable cutterhead cut off the cutterhead fixed pin shaft; Continuation startup power set will cut head and pull out from steel sleeve.
7. steel sleeve mounting method according to claim 6 is characterized in that: the method for said installation thrustor is to place thrustor on the right side of guide rail, and the back backrest of thrustor with thrustor is weldingly fixed on through the iron and steel built-in fitting.
8. steel sleeve mounting method according to claim 6 is characterized in that: the method for said installation cutting head with " I " shape steel bar on the cutting head aim at the steel sleeve inwall " insert [" shape steel bar gap and the rotary cutting head makes " I " shape steel bar and " end face of [" shape steel bar fits tightly.
9. steel sleeve mounting method according to claim 6; It is characterized in that: the method for said installation rotation recovery system is to regulate hydraulic leg to make its elongate support fixing whole rotation recovery system on the steel sleeve inwall; Regulate rotation recovery hydraulic cylinder and be in contraction state, the external part that makes rotation reclaim hydraulic cylinder is fixed on the cutting head rear bulkhead that is adjacent through bearing pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210157993.4A CN102677724B (en) | 2012-05-21 | 2012-05-21 | Mechanical steel sleeve installation device and mechanical steel sleeve installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210157993.4A CN102677724B (en) | 2012-05-21 | 2012-05-21 | Mechanical steel sleeve installation device and mechanical steel sleeve installation method |
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| CN102677724A true CN102677724A (en) | 2012-09-19 |
| CN102677724B CN102677724B (en) | 2014-06-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110206566A (en) * | 2019-06-04 | 2019-09-06 | 湖北建科国际工程有限公司 | Excavating device and excavation method for tunnel crushed zone hole |
| CN113994781A (en) * | 2021-10-31 | 2022-02-01 | 唐明松 | Agricultural soil chemical fertilizer diffuser |
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| CN101852311A (en) * | 2009-04-03 | 2010-10-06 | 中冶成工上海五冶建设有限公司 | Pipe-jacking installation method of bypass pipeline |
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| CN1136126A (en) * | 1995-05-01 | 1996-11-20 | 日立建机株式会社 | Borehole boring method and machine |
| JP3681351B2 (en) * | 2001-03-30 | 2005-08-10 | 機動建設工業株式会社 | Apparatus and method for repairing existing pipeline |
| US20040118608A1 (en) * | 2002-12-19 | 2004-06-24 | Marc Haci | Method of and apparatus for directional drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110206566A (en) * | 2019-06-04 | 2019-09-06 | 湖北建科国际工程有限公司 | Excavating device and excavation method for tunnel crushed zone hole |
| CN113994781A (en) * | 2021-10-31 | 2022-02-01 | 唐明松 | Agricultural soil chemical fertilizer diffuser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102677724B (en) | 2014-06-04 |
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Effective date of registration: 20170301 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau |