CN110899416B - Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve - Google Patents
Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve Download PDFInfo
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- CN110899416B CN110899416B CN201911339967.1A CN201911339967A CN110899416B CN 110899416 B CN110899416 B CN 110899416B CN 201911339967 A CN201911339967 A CN 201911339967A CN 110899416 B CN110899416 B CN 110899416B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
- B21D7/085—Bending rods, profiles, or tubes by passing between rollers or through a curved die by passing through a curved die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
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- Engineering & Computer Science (AREA)
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- Laying Of Electric Cables Or Lines Outside (AREA)
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Abstract
The invention discloses a large-caliber reinforced concrete electric jacking pipe structure for small-curvature curve jacking, which comprises a base, wherein a first thread groove is formed in one side wall of the base, a thread ring is connected to the inner thread of the first thread groove, a pneumatic device is arranged at one end, away from the thread ring, of the base, a working pipe is fixedly connected to one end, away from the first thread groove, of the thread ring, the working pipe is arranged in an arc shape, a sliding block is connected to the inside of the working pipe in a sliding mode, a sliding rod is fixedly connected to one end, away from the first thread groove, of the sliding block, and the shape of the sliding rod is matched with that of the working pipe. The invention can conveniently finish the clamping and fixing work of the power pipes with different calibers, and directly carry out curve jacking treatment on the power pipes, thereby greatly ensuring the construction quality.
Description
Technical Field
The invention relates to the technical field of electric jacking pipes, in particular to a large-caliber reinforced concrete electric jacking pipe structure for jacking a small-curvature curve.
Background
In the design and construction process of the jacking pipe, due to geological conditions and other reasons, in order to reduce the influence on surrounding buildings and traffic, the advancing route of the pipeline is often required to be changed, so that the final advancing route of the pipeline is a curve, and a corresponding curve jacking pipe structure is required.
The curve is replaced through many broken lines when carrying out curve jacking to current overhead line structure, and such overhead line structure is sharp when promoting, and the cavity orbit that promotes the department like this can not laminate with the pipeline, and the pipeline that the construction was come out can be with the design very big nonconformity, can make the performance of whole pipeline take place to descend.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the performance of the whole pipeline can be greatly reduced by the pipeline constructed by the existing pipe jacking structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a large-caliber reinforced concrete electric jacking pipe structure for small-curvature curve jacking comprises a base, a first thread groove is arranged on one side wall of the base, a thread ring is connected with the first thread groove in an internal thread manner, a pneumatic device is arranged at one end of the base far away from the threaded ring, a working pipe is fixedly connected at one end of the threaded ring far away from the first threaded groove, the working pipe is arranged in an arc shape, a sliding block is connected in the working pipe in a sliding manner, a sliding rod is fixedly connected at one end of the sliding block, which is far away from the first thread groove, the shape of the sliding rod is matched with that of the working pipe, a first sealing gasket is arranged on one side wall of the sliding block away from the sliding rod, the one end fixedly connected with screw thread piece that the slider was kept away from to the slide bar, the one end that the slide bar was kept away from to the screw thread piece is equipped with latch device, latch device keeps away from the one end of screw thread piece and is equipped with the electric power pipe.
Preferably, the pneumatic means is including setting up the through-hole on a lateral wall of threaded ring is kept away from at first thread groove, the one end that first thread groove was kept away from to the through-hole runs through the base setting, be equipped with the breather pipe in the through-hole, the through-hole setting is all run through at the both ends of breather pipe, be equipped with the seal box on a lateral wall of base, the seal box just sets up to the breather pipe, be equipped with the air pump on the outer wall of one side that the base was kept away from to the seal box, the output of air pump just sets up to the breather pipe, fixedly connected with work trachea on the output of air pump, the one end that the.
Preferably, latch device is including setting up the joint seat of keeping away from slide bar one end at the screw thread piece, the joint seat is equipped with the second thread groove on being close to a lateral wall of screw thread piece, screw thread piece threaded connection sets up in the second thread groove, the joint seat is equipped with the fixed slot on keeping away from a lateral wall of screw thread piece, the electric power pipe is located the fixed slot and sets up, be equipped with two fixing device in the joint seat, two fixing device is the cross setting, one of them fixing device keeps away from the fixed slot setting, and another reality fixing device is close to the fixed slot setting.
Preferably, the fixing device comprises a first threaded hole and a second threaded hole which are respectively arranged on two opposite outer walls of the clamping seat, the thread directions of the first threaded hole and the second threaded hole are opposite, the first threaded hole and the second threaded hole are communicated, the first threaded hole is in threaded connection with a first threaded rod, the second threaded hole is in threaded connection with a second threaded rod, one ends, far away from each other, of the first threaded rod and the second threaded rod are fixedly connected with a turntable, baffle plates are fixedly connected on the first threaded rod and the second threaded rod, connecting rods are rotatably connected on the first threaded rod and the second threaded rod, each connecting rod is arranged between the turntable and the baffle plate, clamping rods are fixedly connected at one ends, far away from the baffle plates, of the two connecting rods, penetrate through the clamping seat and then extend into the fixing groove, two the one end that the connecting rod was kept away from to the supporting rod is all fixed even there is the grip block, two the equal fixedly connected with protection pad of one end that the supporting rod was kept away from to the grip block, all be equipped with the sliding tray on the lateral wall that first threaded rod and second threaded rod are close to each other, two the common sliding connection of sliding tray has the slide bar, the sliding tray is square setting, the shape of slide bar is the matching setting with the shape of sliding tray.
Preferably, a second sealing gasket is fixedly connected to the inner wall of the first thread groove on the side away from the thread ring.
Preferably, an auxiliary plate is fixedly connected to the inner wall of the working tube, the auxiliary plate is arranged away from the threaded ring, and the sliding rod penetrates through the auxiliary plate.
The invention has the beneficial effects that: in the device, a user firstly selects a proper working pipe according to the curvature, then a thread ring is in threaded connection with a first thread groove, a thread block is in threaded connection with a second thread groove, then a rotary disc in one fixing device can be rotated to enable a first threaded rod to rotate, a sliding rod and a second threaded rod are driven to rotate, the first threaded rod and the second threaded rod are enabled to approach each other in the rotating process, then two connecting rods and two clamping rods are driven to approach each other, two clamping blocks and two protection pads approach each other to complete clamping and fixing work of an electric power pipe, then the steps are repeated to complete fixing work of the other fixing device, so that fixing work of pipelines with different calibers can be completed, the pipes are fixed on a central position, then an air pump is started to inflate the working pipe through a working air pipe and a vent pipe, and then the air pump slide block is pushed, the curve pushing work of the power pipe is completed, so that the curve jacking work can be conveniently and effectively completed, and the construction quality is greatly guaranteed.
Drawings
Fig. 1 is a schematic top view of a large-caliber reinforced concrete electric jacking pipe structure for small-curvature curve jacking according to the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1;
FIG. 3 is a cross-sectional view of a side structure of a base portion of a large-caliber reinforced concrete electric jacking pipe structure for small curvature curve jacking according to the present invention;
FIG. 4 is a partial top view structural cross-sectional view of a fixture for a large-caliber reinforced concrete power top tube structure for small curvature curve jacking according to the present invention;
fig. 5 is a partial front sectional view of a fixing device of a large-caliber reinforced concrete electric jacking pipe structure for small-curvature curve jacking according to the present invention.
In the figure: the device comprises a base 1, a first thread groove 2, a thread ring 3, a working tube 4, a second sealing gasket 5, a sliding block 6, a sliding rod 7, a first sealing gasket 8, a thread block 9, an electric power tube 10, a through hole 11, a vent tube 12, a sealing box 13, an air pump 14, a working air tube 15, a clamping seat 16, a second thread groove 17, a fixed groove 18, a first threaded hole 19, a second threaded hole 20, a first threaded rod 21, a second threaded rod 22, an auxiliary plate 23, a rotary disc 24, a baffle 25, a connecting rod 26, a clamping rod 27, a clamping block 28, a protective pad 29, a sliding groove 30 and a sliding rod 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a large-caliber reinforced concrete electric jacking pipe structure for small-curvature curve jacking comprises a base 1, a first thread groove 2 is arranged on one side wall of the base 1, a thread ring 3 is connected in the first thread groove 2 in a threaded manner, a second sealing gasket 5 is fixedly connected on the inner wall of one side of the first thread groove 2 far away from the thread ring 3, the air tightness of threaded connection is increased by the arrangement of the second sealing gasket 5, so that the pneumatic device can better complete work, a pneumatic device is arranged at one end of the base 1 far away from the thread ring 3, the pneumatic device comprises a through hole 11 arranged on one side wall of the first thread groove 2 far away from the thread ring 3, one end of the through hole 11 far away from the first thread groove 2 penetrates through the base 1, a vent pipe 12 is arranged in the through hole 11, two ends of the vent pipe 12 penetrate through the through holes 11, a sealing box 13 is arranged on one side wall of the base 1, and, an air pump 14 is arranged on the outer wall of one side of the seal box 13 far away from the base 1, the output end of the air pump 14 is arranged right opposite to the vent pipe 12, a working air pipe 15 is fixedly connected to the output end of the air pump 14, one end of the working air pipe 15 far away from the air pump 14 penetrates through the outer wall of the seal box 13, when a user needs to push the slide block 6, the air pump 14 blows air to the seal box 13 through the working air pipe 15, then the air blows air to the first thread groove 2 and the working pipe 4 through the vent pipe 12, the slide block 6 and the slide rod 7 slide away from the first thread groove 2, curve pushing work is completed, construction quality is greatly guaranteed, when the user needs to pull back the slide block 6, air is pumped through the air pump 14, air pressure in the working pipe 4, the first thread groove 2, the vent pipe 12 and the seal box 13 is reduced, and then the slide block 6 slides close, the end, far away from the first thread groove 2, of the threaded ring 3 is fixedly connected with a working pipe 4, the working pipe 4 is arranged in an arc shape, a sliding block 6 and a sliding block 6 are connected in the working pipe 4 in a sliding mode, one end, far away from the first thread groove 2, of the sliding block 6 is fixedly connected with a sliding rod 7, the shape of the sliding rod 7 is matched with that of the working pipe 4, a first sealing gasket 8 is arranged on one side wall, far away from the sliding rod 7, of the sliding block 6, the arrangement of the first sealing gasket 8 increases the air tightness between the sliding block 6 and the inner wall of the working pipe 4, and it is guaranteed that a;
the end of the sliding rod 7 far away from the sliding block 6 is fixedly connected with a threaded block 9, the inner wall of the working tube 4 is fixedly connected with an auxiliary plate 23, the auxiliary plate 23 is arranged far away from the threaded ring 3, the sliding rod 7 penetrates through the auxiliary plate 23, the auxiliary plate 23 is arranged to enable the sliding rod 7 to be more stable during sliding, and then the stability of the device is improved, one end of the threaded block 9 far away from the sliding rod 7 is provided with a clamping device, one end of the clamping device far away from the threaded block 9 is provided with a power tube 10, the clamping device comprises a clamping seat 16 arranged at one end of the threaded block 9 far away from the sliding rod 7, a second threaded groove 17 is arranged on one side wall of the clamping seat 16 close to the threaded block 9, and the threaded block 9 is in threaded connection with the second threaded groove 17, so that a user can conveniently and quickly complete the replacement of the working tube 4 through threaded connection with the first threaded groove 2 and the, a fixing groove 18 is arranged on one side wall of the clamping seat 16 far away from the thread block 9, the power tube 10 is arranged in the fixing groove 18, two fixing devices are arranged in the clamping seat 16 and are arranged in a cross shape, the cross arrangement enables the two fixing devices to finish fixing the power tube 10 from four directions, the stability of the power tube 10 is greatly guaranteed, one fixing device is far away from the fixing groove 18, the other fixing device is close to the fixing groove 18, the fixing devices comprise a first thread hole 19 and a second thread hole 20 which are respectively arranged on two opposite outer walls of the clamping seat 16, the thread directions of the first thread hole 19 and the second thread hole 20 are opposite, the first thread hole 19 is communicated with the second thread hole 20, a first threaded rod 21 is connected with the first thread hole 19 in a threaded manner, and a second threaded rod 22 is connected with the second thread hole 20 in a threaded manner, the threaded connection enables a user to move the first threaded rod 21 and the second threaded rod 22 and automatically lock the first threaded rod 21 and the second threaded rod 22 when the user rotates the first threaded rod 21 and the second threaded rod 22;
the ends, far away from each other, of the first threaded rod 21 and the second threaded rod 22 are fixedly connected with a rotary table 24, the first threaded rod 21 and the second threaded rod 22 are fixedly connected with a baffle 25, the first threaded rod 21 and the second threaded rod 22 are rotatably connected with connecting rods 26, each connecting rod 26 is arranged between the rotary table 24 and the baffle 25, the first threaded rod 21 and the second threaded rod 22 can drive the connecting rods 26 to move in the moving process due to the matching arrangement of the rotary table 24 and the baffle 25, the ends, far away from the baffle 25, of the two connecting rods 26 are fixedly connected with clamping rods 27, the ends, far away from the connecting rods 26, of the two clamping rods 27 penetrate through the clamping seats 16 and then extend into the fixing grooves 18, the ends, far away from the connecting rods 26, of the two clamping rods 27 are fixedly connected with clamping blocks 28, the ends, far away from the clamping rods 27, of the two clamping blocks 28 are fixedly connected with protection pads 29, the protection pads 29 are arranged, so that, the arrangement is that the connecting rod can drive the clamping rod 27 to move, then the clamping block 28 and the protection pad 29 are driven to move to proper positions to complete clamping and fixing work, the side walls of the first threaded rod 21 and the second threaded rod 22, which are close to each other, are provided with the sliding grooves 30, the two sliding grooves 30 are jointly connected with the sliding rod 31 in a sliding manner, the sliding grooves 30 are arranged in a square manner, the shape of the sliding rod 31 is matched with that of the sliding grooves 30, the sliding rod 31 can drive the first threaded rod 21 and the second threaded rod 22 to rotate when rotating, the sliding rod 31 can also be driven to rotate when rotating the first threaded rod 21 or the second threaded rod 22, the sliding rod 31 cannot interfere with the movement of the first threaded rod 21 and the second threaded rod 22, and because the directions of the first threaded hole 19 and the second threaded hole 20 are opposite, the first threaded rod 21 and the second threaded rod 22 can reversely move at the same speed, therefore, the power tube 10 can be clamped and fixed at the central position to smoothly work, and great convenience is brought to users for clamping and fixing the power tubes 10 with different calibers.
In the invention, when a user uses the device, firstly, a part of the device of the working tube 4 is selected according to the curvature, then the threaded ring 3 is in threaded connection with the first threaded groove 2, the threaded block 9 is in threaded connection with the second threaded groove 17, thus the power tube 10 with different curvatures can be jacked, then the power tube 10 is placed in the fixed groove 18, the first threaded rod 21 or the second threaded rod 22 on one fixing device is rotated, then the sliding rod 31 is driven, the first threaded rod 21 and the second threaded rod 22 move reversely at the same speed, and the two connecting rods 26 are driven to move reversely at the same speed through the turntable 24 and the baffle 25, so that the two clamping rods 27, the two clamping blocks 28 and the two protection pads 29 move reversely to the proper positions at the same time, the power tube 10 is clamped and fixed at the central position, and then the steps are repeated to finish the clamping and fixing work of the other fixing device, so just convenient completion the fixed work of center centre gripping of electric power pipe 10, very big satisfied the user to the fixed demand of centre gripping of different bore electric power pipe 10, open air pump 14 after that, air pump 14 blows to seal box 13 through work trachea 15, then blow to first thread groove 2 and work pipe 4 through breather pipe 12, make slider 6 slide, promote slide bar 7 then, thread block 9 and joint seat 16 follow curvilinear motion, so electric power pipe 10 alright with smooth completion curvilinear motion, no longer need carry out many broken line motions, very big improvement construction quality.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The large-caliber reinforced concrete electric jacking pipe structure comprises a base (1) and is characterized in that a first thread groove (2) is formed in one side wall of the base (1), a thread ring (3) is connected to the inner thread of the first thread groove (2), a pneumatic device is arranged at one end, away from the thread ring (3), of the base (1), a working pipe (4) is fixedly connected to one end, away from the first thread groove (2), of the thread ring (3), the working pipe (4) is arranged in an arc shape, a sliding block (6) is connected to the working pipe (4) in a sliding mode, a sliding rod (7) is fixedly connected to one end, away from the first thread groove (2), of the sliding block (6), the sliding rod (7) is arranged in a shape matched with that of the working pipe (4), a first sealing gasket (8) is arranged on one side wall, away from the sliding rod (7), of the sliding block (6), a threaded block (9) is fixedly connected to one end, far away from the sliding block (6), of the sliding rod (7), a clamping device is arranged at one end, far away from the sliding rod (7), of the threaded block (9), and an electric power tube (10) is arranged at one end, far away from the threaded block (9), of the clamping device;
the clamping device comprises a clamping seat (16) which is arranged at one end, far away from the sliding rod (7), of a threaded block (9), a second threaded groove (17) is formed in one side wall, close to the threaded block (9), of the clamping seat (16), the threaded block (9) is connected in the second threaded groove (17) in a threaded mode, a fixing groove (18) is formed in one side wall, far away from the threaded block (9), of the clamping seat (16), the power tube (10) is located in the fixing groove (18), two fixing devices are arranged in the clamping seat (16) and are arranged in a cross mode, one fixing device is far away from the fixing groove (18), and the other fixing device is close to the fixing groove (18);
the fixing device comprises a first threaded hole (19) and a second threaded hole (20) which are respectively arranged on two opposite outer walls of a clamping seat (16), the thread directions of the first threaded hole (19) and the second threaded hole (20) are opposite, the first threaded hole (19) and the second threaded hole (20) are communicated, the first threaded hole (19) is in threaded connection with a first threaded rod (21), the second threaded hole (20) is in threaded connection with a second threaded rod (22), one end, far away from each other, of the first threaded rod (21) and the second threaded rod (22) is fixedly connected with a rotary plate (24), the first threaded rod (21) and the second threaded rod (22) are fixedly connected with a baffle plate (25), the first threaded rod (21) and the second threaded rod (22) are rotatably connected with a connecting rod (26), and each connecting rod (26) is arranged between the rotary plate (24) and the baffle plate (25), two the equal fixedly connected with supporting rod (27) of one end of baffle (25) is kept away from in supporting rod (26), two the one end that connecting rod (26) were kept away from in supporting rod (27) all runs through and sets up in joint seat (16) back stretching into fixed slot (18), two the equal fixed connection of one end that connecting rod (26) were kept away from in supporting rod (27) has grip block (28), two the equal fixedly connected with protection pad (29) of one end that supporting rod (27) were kept away from in grip block (28), all be equipped with sliding tray (30), two on the lateral wall that first threaded rod (21) and second threaded rod (22) are close to each other sliding tray (30) common sliding connection has sliding bar (31), sliding tray (30) are square setting, the shape of sliding bar (31) is the matching setting with the shape of sliding tray (30).
2. The large-caliber reinforced concrete electric jacking pipe structure for jacking with a small curvature curve as claimed in claim 1, wherein the pneumatic device comprises a through hole (11) arranged on one side wall of the first thread groove (2) far away from the thread ring (3), one end of the through hole (11) far away from the first thread groove (2) penetrates through the base (1), a vent pipe (12) is arranged in the through hole (11), two ends of the vent pipe (12) penetrate through the through hole (11), a seal box (13) is arranged on one side wall of the base (1), the seal box (13) is arranged right opposite to the vent pipe (12), an air pump (14) is arranged on the outer wall of one side of the seal box (13) far away from the base (1), the output end of the air pump (14) is arranged right opposite to the vent pipe (12), a working air pipe (15) is fixedly connected to the output end of the air pump (14), one end of the working air pipe (15) far away from the air pump (14) penetrates through the outer wall of the seal box (13).
3. The large-caliber reinforced concrete electric jacking pipe structure for small-curvature curve jacking as claimed in claim 1, wherein a second sealing gasket (5) is fixedly connected to the inner wall of the first thread groove (2) on the side far away from the thread ring (3).
4. The electric jacking pipe structure for the reinforced concrete with the large caliber for the small curvature curve jacking as claimed in claim 1, wherein an auxiliary plate (23) is fixedly connected to the inner wall of the working pipe (4), the auxiliary plate (23) is arranged away from the threaded ring (3), and the sliding rod (7) is arranged to penetrate through the auxiliary plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911339967.1A CN110899416B (en) | 2019-12-23 | 2019-12-23 | Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911339967.1A CN110899416B (en) | 2019-12-23 | 2019-12-23 | Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110899416A CN110899416A (en) | 2020-03-24 |
| CN110899416B true CN110899416B (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911339967.1A Active CN110899416B (en) | 2019-12-23 | 2019-12-23 | Large-caliber reinforced concrete electric jacking pipe structure for jacking with small curvature curve |
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| CN87212634U (en) * | 1987-12-17 | 1988-09-14 | 中国建筑科学研究院工程抗震研究所 | Piercing push bench |
| RU2192575C2 (en) * | 2000-06-13 | 2002-11-10 | Кашин Сергей Михайлович | Pipe line section and method of its manufacture |
| CN202746763U (en) * | 2012-08-29 | 2013-02-20 | 金中天集团建设有限公司 | Large-diameter and long-distance slurry balance pipe-jacking construction device for reinforced concrete pipe |
| CN206191060U (en) * | 2016-10-08 | 2017-05-24 | 安顺集团建设有限公司 | Gas pipeline push pipe construction structures |
| CN108916467A (en) * | 2018-06-08 | 2018-11-30 | 中国五冶集团有限公司 | Heavy caliber sigmoid curve pipe jacking construction method |
| CN208347776U (en) * | 2018-06-19 | 2019-01-08 | 江苏环宇建设工程有限公司 | Air pressure balance method conduit jacking |
| CN109538824A (en) * | 2018-12-28 | 2019-03-29 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of large-diameter steel reinforced concrete electric power jacking pipe structure of small curvature curved jacking |
| CN110159836A (en) * | 2019-05-15 | 2019-08-23 | 安徽昊宇建设工程有限公司 | A kind of small-bore pipeline jacking construction method |
| CN209587342U (en) * | 2019-03-18 | 2019-11-05 | 尹云华 | A kind of architectural engineering hydraulic push bench |
-
2019
- 2019-12-23 CN CN201911339967.1A patent/CN110899416B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212634U (en) * | 1987-12-17 | 1988-09-14 | 中国建筑科学研究院工程抗震研究所 | Piercing push bench |
| RU2192575C2 (en) * | 2000-06-13 | 2002-11-10 | Кашин Сергей Михайлович | Pipe line section and method of its manufacture |
| CN202746763U (en) * | 2012-08-29 | 2013-02-20 | 金中天集团建设有限公司 | Large-diameter and long-distance slurry balance pipe-jacking construction device for reinforced concrete pipe |
| CN206191060U (en) * | 2016-10-08 | 2017-05-24 | 安顺集团建设有限公司 | Gas pipeline push pipe construction structures |
| CN108916467A (en) * | 2018-06-08 | 2018-11-30 | 中国五冶集团有限公司 | Heavy caliber sigmoid curve pipe jacking construction method |
| CN208347776U (en) * | 2018-06-19 | 2019-01-08 | 江苏环宇建设工程有限公司 | Air pressure balance method conduit jacking |
| CN109538824A (en) * | 2018-12-28 | 2019-03-29 | 中国电建集团福建省电力勘测设计院有限公司 | A kind of large-diameter steel reinforced concrete electric power jacking pipe structure of small curvature curved jacking |
| CN209587342U (en) * | 2019-03-18 | 2019-11-05 | 尹云华 | A kind of architectural engineering hydraulic push bench |
| CN110159836A (en) * | 2019-05-15 | 2019-08-23 | 安徽昊宇建设工程有限公司 | A kind of small-bore pipeline jacking construction method |
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| CN110899416A (en) | 2020-03-24 |
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