CN201539259U - Grille-type square section trenchless pipe-jacking excavating device - Google Patents
Grille-type square section trenchless pipe-jacking excavating device Download PDFInfo
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- CN201539259U CN201539259U CN2009202414684U CN200920241468U CN201539259U CN 201539259 U CN201539259 U CN 201539259U CN 2009202414684 U CN2009202414684 U CN 2009202414684U CN 200920241468 U CN200920241468 U CN 200920241468U CN 201539259 U CN201539259 U CN 201539259U
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Abstract
The utility model relates to a grille-type square section trenchless pipe-jacking excavating device, comprising a crane, a pipe-jacking oil cylinder, a square section concrete pipe, a square section guiding concrete pipe, a square section outer top iron, a square sheath, a square section pipe-jacking forcing device, a square section grille scouring working head or a forward scouring type square section scouring working head and a guide rail. The scouring working head consists of a square section scouring head outer frame, a square section scouring head inner frame and a grille that are integrally welded; an end surface of the outer frame is provided with a knife edge; a square transparent window capable of passing through the guide rail is arranged at the bottom of the scouring head; and the pipe-jacking forcing device consists of a square section oil cylinder top iron, a forcing oil cylinder arranged on the periphery at the inner side of the square section oil cylinder top iron outer frame and a square section piston rod top iron. The grille-type square section trenchless pipe-jacking excavating device is suitable for excavating tunnels of railways, roads, historic buildings, vegetation protection layers or small rivers in a non-open manner, can effectively control collapse of the soil layer on the operating surface, reduces earth surface deformation and achieves the purposes of safety, high efficiency, civilization and environmental-protection construction.
Description
Technical field
The utility model relates to a kind of heading equipment of non-open-air excavation tunnel, the non-excavation push pipe of particularly a kind of grid type side section heading equipment.
Background technology
Develop rapidly along with railway construction in China, the descending tunnel engineering that crosses the non-oprn-work of railway line gets more and more, small-sized (diameter 0.8-3.0 rice culvert) engineering for these dispersions all is to adopt rail beam, i iron, army just to carry out jacking construction behind the beam hardened link for a long time, putting construction by each worker of normal condition needs to block circuit five times respectively at least, 25-45 kilometer/hour operation of construction period train palpus speed limit, especially the enterprising pedestrian worker of circuit digs just beam buttress hole stake, directly destroy the stable of roadbed, influence the production of railway transportation order and security.
The job practices that adopts the rotary head development machine is also arranged for the bigger tunnel engineering of length, but construction period is changed cutterhead complexity, difficulty, particularly pushing tow and cutterhead rotate frequent asynchronous meeting and cause cutterhead rotational time overlength, easily form the cavity, cause the roof fall landslide; As dash forward the obstacle or the soil body to change, cutterhead can not rotate cutting, even damages cutterhead; Easily producing deviation in the tunneling process need often rectify a deviation, and correction back pipe can produce the slit with the soil body, causes the soil body easily to sink; Cutter diameter is bigger than body, can produce the slit, and long-time pushing tow pipe can cause soil body sedimentation.
Summary of the invention
The purpose of this utility model has provided a kind of non-open-air excavation tunnel and can prevent tunnel surface deformable, the non-excavation push pipe of the reliable grid type side of construction safety section heading equipment; Be applicable to the tunnel in non-oprn-work driving railroad crossing, highway, heritage buildings, vegetation protection layer or little river.
For solving the problems of the technologies described above, the technical solution of the utility model is: the non-excavation push pipe of a kind of grid type side section heading equipment, comprise push pipe oil cylinder and Hydraulic Station thereof, square section concrete pipe, crane, outer top iron, square sheath, square section push pipe augmentor, square section guiding concrete pipe, square section grid top towards working head or nose wheelie side's section top towards working head and the side's of being placed in section grid top towards working head or nose wheelie side's section top the guide rail below working head.
Described side's section grid top is made up of the square section head punch housing that is welded as a whole, square section head punch inside casing and grid towards working head, and square section grid top equates with the cross dimensions of described side's section concrete pipe vertical axis towards the cross dimensions of working head vertical axis; Side's section head punch housing is provided with the edge of a knife perpendicular to an end face of axis, and the termination inboard and square section head punch inside casing of grid and square section head punch housing band edge of a knife end is welded as a whole; Side's section head punch housing is provided with the batt joint head perpendicular to another end face of axis; Section grid top, side is provided with towards the bottom of working head can be by the rectangle spectral window of described guide rail.
Section top in described nose wheelie side is formed nose wheelie side's section towards working head by the nose wheelie side's section head punch housing that is welded as a whole, square section head punch inside casing and grid and is pushed up towards the cross dimensions of working head vertical axis and equate with the cross dimensions of described side's section concrete pipe vertical axis; Nose wheelie side's section head punch housing and axis angle are that an end face of α=40 °-70 ° is provided with the edge of a knife, and the termination inboard and square section head punch inside casing of grid and nose wheelie side's section head punch housing band edge of a knife end is welded as a whole; Nose wheelie side's section head punch housing is provided with the batt joint head perpendicular to another end face of axis.
Described side's section concrete pipe and square section guiding concrete pipe are the hollow square body, and the end face of square section concrete pipe and square section guiding concrete pipe is provided with the batt joint head; Joint at two square section concrete pipes is provided with square sheath.
Described side's section push pipe augmentor by square section oil cylinder top iron, iron outer ring, section oil cylinder top, the side of being installed in inner peripheral add power cylinder and square section piston masthead iron is formed; The fastening square section sleeve pipe that iron outer ring, section oil cylinder top, the side of being inserted in is housed of one end of described side's section piston masthead iron, the outer ring of the inner ring of square section sleeve pipe and square section oil cylinder top iron is slidingly matched, and adds the piston rod end side of the withstanding section piston masthead iron of power cylinder; The external diameter of side's section piston masthead iron and square section oil cylinder top iron equates that with described side's section concrete external diameter of pipe the end face of square section piston masthead iron and square section oil cylinder top iron is provided with the batt joint head that matches with square section concrete pipe end face.
The cross dimensions of described outer top iron vertical axis equates that with the cross dimensions of square section concrete pipe vertical axis the batt joint head of outer top iron end face matches with square section concrete pipe end face, outer top iron of the iron side of comprising, outer top section or the outer top of shape of a hoof iron; The width of outer top iron of side's section or the outer top of shape of a hoof iron equates and less than the push pipe oil cylinder and add the stroke of power cylinder.
The batt joint head of described side's section piston masthead iron, square section oil cylinder top iron, the outer top iron of square section or square section concrete pipe end face comprises the square taper joint of an end band joint ring and the joint of the square sheath of other end band, the cross dimensions of square sheath vertical axis equates that with the cross dimensions of square section concrete pipe vertical axis the inner face of square sheath cooperates socket with the square taper joint of band joint ring.
Described side's section head punch housing is that inner face by square section head punch housing cooperates socket with the square taper joint of square section concrete pipe racks joint ring perpendicular to the set batt joint head of another end face of axis.
Described nose wheelie side section head punch housing is that inner face by nose wheelie side's section head punch housing cooperates socket with the square taper joint of square section concrete pipe racks joint ring perpendicular to the set batt joint head of another end face of axis.
The beneficial effects of the utility model are:
1. the utility model is applicable to the tunnel in non-oprn-work driving railroad crossing, highway, heritage buildings, vegetation protection layer or little river, and the diameter of tunnel is a 0.8-4.0 rice; When tunneling the tunnel of railroad crossing, do not need to adopt rail beam, i iron, army just to carry out jacking construction behind the beam reinforcing rail track, avoid, directly destroy the stable of roadbed, influence the production of railway transportation order and security because of manually digging just beam buttress hole stake.
2. the slide of control operation face soil layer is collapsed effectively, eliminated around the pipeline and the space between the soil body, the basal conditions of the soil body maintains the original state, thereby reduce the adverse effect of surface deformable to greatest extent to surrounding building, at utmost reduce security risk, reach safety, efficient, civilized, environmental protection construction purpose.
3. owing to laid guide rail, therefore when jacking, can not produce deviation at the pipe end; The top is provided with flase floor towards working head, has avoided the head-on landslide of the soil body; Flase floor is flexible and changeable in case of dashing forward obstacle manually to get rid of, and does not influence continuous construction.
4. follow guiding concrete pipe and grid top closely towards working head, be provided with the push pipe augmentor, solved the excessive difficult problem of push pipe oil cylinder propelling resistance that is positioned at tunnel outer end active well.
Description of drawings
Fig. 1 is the construction generalized section of non-oprn-work driving railway culvert.
Fig. 2 is the non-excavation push pipe of a grid type side's section heading equipment construction schematic diagram.
Fig. 3 is the structural representation of section top, grid side towards working head.
Fig. 4 is the right view of Fig. 3.
Fig. 5 is the structural representation of section top, nose wheelie side towards working head.
The structural representation of Fig. 6 side of being section push pipe augmentor.
Fig. 7 is the C-C sectional view of Fig. 6.
The structural representation of the outer top of Fig. 8 side of being section iron.
Fig. 9 is the left view of Fig. 8.
Figure 10 is the schematic diagram of the outer top of shape of a hoof iron.
Figure 11 is the batt joint head schematic diagram of concrete pipe.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Described side's section grid top is made up of the square section head punch housing 12 that is welded as a whole, square section head punch inside casing 13 and grid 14 towards working head 8, and square section grid top equates with the cross dimensions of described side's section concrete pipe 3 vertical axis towards the cross dimensions of working head 8 vertical axis; Side's section head punch housing 12 is provided with the edge of a knife 15 perpendicular to an end face of axis, and grid 14 is welded as a whole with the termination inboard and square section head punch inside casing 13 of square section head punch housing 12 band edge of a knife ends; Side's section head punch housing 12 is provided with the batt joint head perpendicular to another end face of axis; Section grid top, side is provided with towards the bottom of working head 8 can be by the rectangle spectral window 16 of described guide rail 4.
Section top in described nose wheelie side is formed nose wheelie side's section towards working head 20 by the nose wheelie side's section head punch housing 19 that is welded as a whole, square section head punch inside casing 13 and grid 14 and is pushed up towards the cross dimensions of working head 20 vertical axis and equate with the cross dimensions of described side's section concrete pipe 3 vertical axis; Nose wheelie side's section head punch housing 19 and axis angle are that an end face of α=55 ° is provided with the edge of a knife 15, and grid 14 is welded as a whole with the termination inboard and square section head punch inside casing 13 of nose wheelie side's section head punch housing 19 band edge of a knife ends; Nose wheelie side's section head punch housing 19 is provided with the batt joint head perpendicular to another end face of axis.
Described side's section concrete pipe 3 and square section guiding concrete pipe 7 are the hollow square body, and the end face of square section concrete pipe 3 and square section guiding concrete pipe 7 is provided with the batt joint head; Be provided with square sheath 5 in the joint of two square section concrete pipes 3.
Described side's section push pipe augmentor 6 by square section oil cylinder top iron 24, section oil cylinder top, the side of being installed in iron 24 outer ring inner peripheral add power cylinder 23 and square section piston masthead iron 21 is formed; The fastening square section sleeve pipe 22 that iron 24 outer rings, section oil cylinder top, the side of being inserted in are housed of one end of described side's section piston masthead iron 21, the inner ring of side's section sleeve pipe 22 and the outer ring of square section oil cylinder top iron 24 are slidingly matched, and add the piston rod end side of the withstanding section piston masthead iron 21 of power cylinder 23; The external diameter of side's section piston masthead iron 21 and square section oil cylinder top iron 24 equates that with described side's section concrete pipe 3 external diameters the end face of square section piston masthead iron 21 and square section oil cylinder top iron 24 is provided with the batt joint head that matches with square section concrete pipe 3 end faces.
The cross dimensions of described outer top iron vertical axis equates that with the cross dimensions of square section concrete pipe 3 vertical axis the batt joint head of outer top iron end face matches with square section concrete pipe 3 end faces, outer top iron 2 of the iron side of comprising, outer top section or the outer top of shape of a hoof iron 25; The width of outer top iron 2 of side's section or the outer top of shape of a hoof iron 25 equates and less than push pipe oil cylinder 1 and add the stroke of power cylinder 23.
The batt joint head of described side's section piston masthead iron 21, square section oil cylinder top iron 24, the outer top iron 2 of square section or square section concrete pipe 3 end faces comprises the square taper joint of an end band joint ring 17 and the joint of the square sheath 5 of other end band, the cross dimensions of square sheath 5 vertical axis equates that with the cross dimensions of square section concrete pipe 3 vertical axis the inner face of square sheath 5 cooperates socket with the square taper joint of band joint ring 17.
Described side's section head punch housing 12 is to be with the square taper joint of joint rings 17 to cooperate socket by the inner face of square section head punch housing 12 with square section concrete pipe 3 perpendicular to the set batt joint head of another end face of axis.
Described nose wheelie side section head punch housing 19 is to be with the square taper joint of joint rings 17 to cooperate socket by the inner face of nose wheelie side's section head punch housing 19 with square section concrete pipe 3 perpendicular to the set batt joint head of another end face of axis.
The non-excavation top of adopting the non-excavation push pipe of above-mentioned grid type heading equipment is towards method tunnel drivage technology, and its step is as follows:
[1] excavate active well 9 and accept well 10 respectively at tunnel two ends to be tunneled, active well 9 and accept well 10 the length side of being section concrete pipe 3 length 2-3 doubly, active well 9 and accept 1.7 times of the width side of being section concrete pipe 3 width of well 10.
[2],, 2 push pipe oil cylinders 1 are installed facing to the periphery of square section concrete pipe 3 end faces in the termination of active well 9 one; In the bottom of active well 9, lay guide rail 4.
[3] on crane is placed in guide rail 4 between push pipe oil cylinder (1) and the driving face with the outer top iron 2 of square section and square section grid top towards working head 8, regulate and calibration grid top towards the axis of working head 8 coordinate and orientation at horizontal plane and vertical plane.
[4] starting push pipe oil cylinder 1 pushes up towards working head 8 outer top iron 2 of square section and square section grid to oil cylinder stroke of driving face jacking, greater than the length of guiding side's section concrete pipe 7; Subsequently, the oil cylinder piston bar shrinks, and together with the outer 2 times original positions of top iron of square section, vacates the room of a square section guiding concrete pipe 7 at active well 9.Remove and transport the grid top towards working head 8 cuttings hack down,, regulate and calibrate the top simultaneously towards the coordinate and the orientation of working head 8 axis at horizontal plane and vertical plane by the window 16 continuity laying guide rails 4 of grid top towards the working head bottom.
[5] the crane square section grid top that will the side's of guiding section concrete pipe 7 is placed in push pipe oil cylinder 1 and entered tunnel is on the guide rail 4 between the working head 8, the square taper batt joint head of the side's of guiding section concrete pipe 7 front end band joint rings 17 pushes up towards the batt joint head 18 of working head 8 rear ends with grid and cooperates socket, and square section grid top is towards square section head punch housing 12 rear ends of working head 8 and embedded iron parts 11 welding of square section guiding concrete pipe 7 front ends.
[6] starting push pipe oil cylinder 1 pushes up towards working head 8 the outer top of square section iron 2, square section guiding concrete pipe 7 and square section grid to oil cylinder stroke of driving face jacking, greater than the length of push pipe augmentor 6; Subsequently, the oil cylinder piston bar shrinks, and together with the outer 2 times original positions of top iron of square section, vacates the room of a push pipe augmentor 6 at active well 9.Remove and transport the hack of grid top under working head 8 cuttings; Lay guide rail 4 by the grid top towards window 16 continuities of working head bottom, regulate and calibrate the top simultaneously towards the coordinate and the orientation of working head 8 axis at horizontal plane and vertical plane.
[7] crane is placed in push pipe oil cylinder 1 with push pipe augmentor 6 and has entered on the guide rail 4 between the square section guiding concrete pipe 7 of tunnel, and the lead batt joint head of concrete pipe 7 of the square taper batt joint head of push pipe augmentor 6 front end band joint rings 17 and square section cooperates socket.Starting push pipe oil cylinder 1 pushes up towards working head 8 push pipe augmentor 6, square section guiding concrete pipe 7 and square section grid to oil cylinder stroke of driving face jacking, greater than the length of a square section concrete pipe 3; Subsequently, the oil cylinder piston bar shrinks, and together with the outer 2 times original positions of top iron of square section, vacates the room of a square section concrete pipe 3 at active well 9.Remove and transport the hack of grid top under working head 8 cuttings; Lay guide rail 4 by the grid top towards window 16 continuities of working head bottom, regulate and calibrate the top simultaneously towards the coordinate and the orientation of working head 8 axis at horizontal plane and vertical plane.
[8] crane is placed in the outer top of push pipe oil cylinder 1 and square section iron 2 with a square section concrete pipe 3 with square sheath 5 and has entered on the guide rail 4 between the push pipe augmentor 6 of tunnel, and the square taper batt joint head of square section concrete pipe 3 front end band joint rings 17 cooperates socket with the batt joint head of push pipe augmentor 6 rear ends; The square section concrete pipe 3 that startup push pipe oil cylinder 1 will just have been put into holds out against push pipe augmentor 6, but does not advance.
[9] start and to add power cylinder 23 in the push pipe augmentor 6, square section guiding concrete pipe 7 and grid top are added a stroke of power cylinder 23 towards working head 8 to the driving face jacking, greater than the length of a square section concrete pipe 3; Subsequently, the piston rod that adds power cylinder 23 shrinks back original position; Start of the A top iron 24 forward jackings of push pipe oil cylinder 1, be retracted to the shortest until push pipe augmentor 6 with the outer top of square section iron 2, square section concrete pipe 3, push pipe augmentor 6.
[10] subsequently, the piston rod of push pipe oil cylinder 1 shrinks, and together with the outer 2 times original positions of top iron of square section, vacates the room of a square section concrete pipe 3 at active well 9; Remove and transport the grid top towards working head 8 cuttings hack down,, regulate and calibrate the top simultaneously towards the coordinate and the orientation of working head 8 axis at horizontal plane and vertical plane by the window 16 continuity laying guide rails 4 of grid top towards the working head bottom.
[11] crane is placed in the outer top of push pipe oil cylinder 1 and square section iron 2 with second square section concrete pipe 3 with square sheath 5 and has entered on the guide rail 4 between the push pipe augmentor 6 of tunnel, and the batt joint head of two square section concrete pipes 3 cooperates socket from beginning to end; Second square section concrete pipe 3 that startup push pipe oil cylinder 1 will just have been put into holds out against previous side's section concrete pipe 3, but do not advance.
[12] repeating step [9], step [10] and step [11], until the grid top is ejected tunnel successively towards working head 8, guiding concrete pipe 7 and push pipe augmentor 6, cut and divide the pad of the embedded iron parts 11 of evolution section head punch housing 12 rear ends and square section guiding concrete pipe 7 front ends, square section grid top is hung out successively towards working head 8, square section guiding concrete pipe 7 and square section push pipe augmentor 6 accept well 10.
[12] square shaped sheath 5 seals antiseepage with adjacent square section concrete pipe 3 junctions and handles.
[13] carry out an acceptance inspection by the construction regulations.
Nose wheelie side's section head punch housing 19 is that the inner face of nose wheelie side's section head punch housing 19 cooperates socket with the square taper batt joint head of square section concrete pipe 3 band joint rings 17 perpendicular to the set batt joint head of another end face of axis.
The outer top of shape of a hoof iron 25 is as shown in figure 10: half cross dimensions of the cross dimensions of vertical axis and square section concrete pipe 3 vertical axis equates that the shape of a hoof batt joint head of top iron 25 outward matches with square section concrete pipe 3 end faces.
Claims (4)
1. the non-excavation push pipe of grid type side's section heading equipment, comprise push pipe oil cylinder (1) and Hydraulic Station thereof, square section concrete pipe (3) and crane, it is characterized in that: also comprise outer top iron, square sheath (5), square section push pipe augmentor (6), square section guiding concrete pipe (7), square section grid top towards working head (8) or nose wheelie side's section top towards working head (20) and the side's of being placed in section grid top towards working head (8) or nose wheelie side's section top the guide rail (4) below working head (20);
Described side's section grid top is made up of the square section head punch housing (12) that is welded as a whole, square section head punch inside casing (13) and grid (14) towards working head (8), and square section grid top equates with the cross dimensions of described side's section concrete pipe (3) vertical axis towards the cross dimensions of working head (8) vertical axis; Side's section head punch housing (12) is provided with the edge of a knife (15) perpendicular to an end face of axis, and grid (14) is welded as a whole with the termination inboard and square section head punch inside casing (13) of square section head punch housing (12) band edge of a knife end; Side's section head punch housing (12) is provided with the batt joint head perpendicular to another end face of axis; Section grid top, side is provided with towards the bottom of working head (8) can be by the rectangle spectral window (16) of described guide rail (4);
Section top in described nose wheelie side is formed nose wheelie side's section towards working head (20) by the nose wheelie side's section head punch housing (19) that is welded as a whole, square section head punch inside casing (13) and grid (14) and is pushed up towards the cross dimensions of working head (20) vertical axis and equate with the cross dimensions of described side's section concrete pipe (3) vertical axis; Nose wheelie side's section head punch housing (19) and axis angle are that an end face of α=40 °-70 ° is provided with the edge of a knife (15), and grid (14) is welded as a whole with the termination inboard and square section head punch inside casing (13) of nose wheelie side's section head punch housing (19) band edge of a knife end; Nose wheelie side's section head punch housing (19) is provided with the batt joint head perpendicular to another end face of axis;
Described side's section concrete pipe (3) and square section guiding concrete pipe (7) are the hollow square body, and the end face of square section concrete pipe (3) and square section guiding concrete pipe (7) is provided with the batt joint head; Be provided with square sheath (5) in the joint of two square section concrete pipes (3);
Described side's section push pipe augmentor (6) by square section oil cylinder top iron (24), section oil cylinder top, the side of being installed in iron (24) outer ring inner peripheral add power cylinder (23) and square section piston masthead iron (21) is formed; The fastening square section sleeve pipe (22) that section oil cylinder top, the side of being inserted in iron (24) outer ring is housed of one end of described side's section piston masthead iron (21), the inner ring of side's section sleeve pipe (22) and the outer ring of square section oil cylinder top iron (24) are slidingly matched, and add the piston rod end side of the withstanding section piston masthead iron (21) of power cylinder (23); The external diameter of side's section piston masthead iron (21) and square section oil cylinder top iron (24) equates that with described side's section concrete pipe (3) external diameter the end face of square section piston masthead iron (21) and square section oil cylinder top iron (24) is provided with the batt joint head that matches with square section concrete pipe (3) end face;
The cross dimensions of described outer top iron vertical axis equates with the cross dimensions of square section concrete pipe (3) vertical axis, the batt joint head of outer top iron end face matches with square section concrete pipe (3) end face, outer top iron (2) of the iron side of comprising, outer top section or the outer top iron (25) of the shape of a hoof; The width of outer top iron (2) of side's section or the outer top iron (25) of the shape of a hoof equates and less than push pipe oil cylinder (1) and add the stroke of power cylinder (23).
2. the non-excavation push pipe of grid type side according to claim 1 section heading equipment, it is characterized in that: the batt joint head of described side's section piston masthead iron (21), square section oil cylinder top iron (24), the outer top iron (2) of square section or square section concrete pipe (3) end face comprises the square taper joint of an end band joint ring (17) and the joint of the square sheath of other end band (5), the cross dimensions of square sheath (5) vertical axis equates that with the cross dimensions of square section concrete pipe (3) vertical axis the inner face of square sheath (5) cooperates socket with the square taper joint of band joint ring (17).
3. the non-excavation push pipe of grid type side according to claim 1 section heading equipment is characterized in that: described side's section head punch housing (12) is to be with the square taper joint of joint ring (17) to cooperate socket by the inner face of square section head punch housing (12) with square section concrete pipe (3) perpendicular to the set batt joint head of another end face of axis.
4. the non-excavation push pipe of grid type side according to claim 1 section heading equipment is characterized in that: described nose wheelie side's section head punch housing (19) is to be with the square taper joint of joint ring (17) to cooperate socket by the inner face of nose wheelie side's section head punch housing (19) with square section concrete pipe (3) perpendicular to the set batt joint head of another end face of axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202414684U CN201539259U (en) | 2009-11-23 | 2009-11-23 | Grille-type square section trenchless pipe-jacking excavating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202414684U CN201539259U (en) | 2009-11-23 | 2009-11-23 | Grille-type square section trenchless pipe-jacking excavating device |
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| Publication Number | Publication Date |
|---|---|
| CN201539259U true CN201539259U (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202414684U Expired - Fee Related CN201539259U (en) | 2009-11-23 | 2009-11-23 | Grille-type square section trenchless pipe-jacking excavating device |
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| CN (1) | CN201539259U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358927A (en) * | 2014-10-30 | 2015-02-18 | 国强建设集团有限公司 | Push pipe construction method and push pipe device |
| CN107882570A (en) * | 2017-11-06 | 2018-04-06 | 中铁工程装备集团有限公司 | A kind of big cross section hard rock tunnel TBM constructions and its jacking block used |
-
2009
- 2009-11-23 CN CN2009202414684U patent/CN201539259U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358927A (en) * | 2014-10-30 | 2015-02-18 | 国强建设集团有限公司 | Push pipe construction method and push pipe device |
| CN104358927B (en) * | 2014-10-30 | 2016-05-11 | 国强建设集团有限公司 | A kind of pipe jacking construction method and conduit jacking |
| CN107882570A (en) * | 2017-11-06 | 2018-04-06 | 中铁工程装备集团有限公司 | A kind of big cross section hard rock tunnel TBM constructions and its jacking block used |
| CN107882570B (en) * | 2017-11-06 | 2023-12-08 | 中铁工程装备集团有限公司 | Large-section hard rock tunnel TBM construction method and roof block used by same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20151123 |