CN102748034A - Jacking type pipeline heading machine - Google Patents
Jacking type pipeline heading machine Download PDFInfo
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- CN102748034A CN102748034A CN2012102508264A CN201210250826A CN102748034A CN 102748034 A CN102748034 A CN 102748034A CN 2012102508264 A CN2012102508264 A CN 2012102508264A CN 201210250826 A CN201210250826 A CN 201210250826A CN 102748034 A CN102748034 A CN 102748034A
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Abstract
The invention relates to a jacking type pipeline heading machine, belongs to the field of engineering machinery equipment, and in particular relates to equipment for distribution of pipelines in an underground soil layer. The jacking type pipeline heading machine is characterized in that one side of the upper part of a machine head is connected with a machine-head turning mechanism so as to form the adjustable and rotatable machine head (3) which can rotate by 360 degrees; the input end of the adjustable and rotatable machine head (3) is connected with a central shaft (5), and the output end of the adjustable and rotatable machine head (3) is connected with a rotary knife (1); the central shaft (5) is fixedly arranged on the middle-upper part in a pipeline (26) by a bearing and a fixed bracket (33); the other end of the central shaft (5) is connected with a motor (7) by a transmission mechanism; and a pipeline (26) under the adjustable and rotatable machine head (3) is internally and additionally provided with a soil back-passing machine (10) which is used for discharging the soil out of the pipeline (26). The jacking type pipeline heading machine has the advantages that the structure is simple, the operation is convenient and the time and the labor are saved and the like; and a maintenance space is left between the adjustable and rotatable machine head and the pipeline, the safety is higher and the production efficiency is higher.
Description
Technical field
Jacking type pipeline development machine belongs to the engineering mechanical device field, is specifically related to a kind of equipment that underground soil layer interior conduit is laid that is used for.
Background technology
The pipeline development machine of underground soil layer pipeline is that present underground pipeline is laid a kind of equipment commonly used, and usually about 800mm ~ 1800mm, most before pipeline is laid and adopted manual work at the used pipe diameter of existing underground push pipe pipeline construction; Seldom use machinery to excavate construction, but not only the narrow and small construction in space is inconvenient owing to the hand digging operation, and operating efficiency is extremely low; Labour intensity is bigger, and manual work adopts mostly digs one section form of construction work of pushing up a joint again; This form of construction work exists very big potential safety hazard, and therefore, also some construction is to adopt the road heading machinery construction; Like application number is 200620024153.0, and name is called the Chinese patent of " a kind of underground pipeline development machine ", adopts this development machine construction; Though improved operating efficiency, this kind development machine and existing most road heading machinery thereof all are to adopt big machinery to improve scaled down version mostly, all exist handpiece case how thick; Head just has great problem of revolving planing surface, and this has just formed two fatal shortcomings: in revolving the plane process, once when running into bigger hard objects; Development machine just is difficult to tunnel forward, and the development machine pipeline that jacking is not gone forward the time can not withdraw from backward again, can not as the excavation mechinery of large tunnel, can freely return; The space of have no maintenance, remedying; Result of use is unsatisfactory, therefore, is difficult to be able to promote the use of.
Summary of the invention
The technical problem that the present invention will solve is: overcome the deficiency of prior art, the jacking type pipeline development machine that a kind of head is adjustable, safe, be convenient to keep in repair is provided.
The technical solution adopted for the present invention to solve the technical problems is: this jacking type pipeline development machine; Comprise the interior motor of installing of pipeline, pipeline that round steel pipe is processed and be installed in the pipeline front end and pass through the shaft-driven head in center by motor; It is characterized in that: described head top one side connects head and turns mechanism; Formation can 360 the adjustable rotating head of degree rotary setting; Adjustable rotating head input connects central axis, and cutter is revolved in the output connection, and central axis is fixedly mounted on middle and upper part in the pipeline through bearing and fixed support; The central axis other end connects motor through transmission mechanism, sets up in the pipeline of adjustable rotating head below earth is discharged to biography machine behind the outside earth of pipeline.Adjustable rotating head is turned mechanism through head and is realized the rotation of 360 degree around central axis, thereby makes that revolving revolving of cutter digs the position and can adjust arbitrarily as required, than before all-in-one-piece head, use more flexibly, and be convenient to maintenance personal's turnover.
Described adjustable rotating head comprises upper gear box and lower tooth roller box, and the interior cover suit that upper gear box is installed through the overcoat and the lower gear upper box part of its underpart installation is an one.
The group that cogs is housed in the described upper gear box, and the group that cogs one end connects central axis, and the lower end connects the upper gear box output shaft; The lower tooth wheels are housed in the lower tooth roller box, and lower tooth wheels upper end connects lower tooth roller box power shaft, and front end connects power output shaft, and revolves cutter through the power output shaft connection.
Described upper gear box output shaft is the inner splined shaft that is provided with internal spline, and lower tooth roller box power shaft is the outside splined shaft that is provided with external splines, and upper gear box output shaft and lower tooth roller box power shaft are one through inside and outside spline socket.Through interior external splines, the distance between the gear-box up and down that can realize stretching increases the head height, and then reaches the purpose that the cutter radius of gyration is revolved in adjusting between upper gear box output shaft and the lower tooth roller box power shaft.
Described head is turned mechanism and is installed in upper gear box top one side; Head is turned mechanism and is comprised that first power set and head tune gear train; Head tunes gear train and comprises a pair of big pinion that is meshed; Pinion is installed on the first power set output shaft, and gear wheel is installed in the upper gear box upper outside, and is fixedly set on the central axis.By first power set power is provided, tunes gear train by head and give central axis, drive adjustable rotating head thus and can in 360 degree, form at any angle around central axis and rotate transmission of power, with this regulate revolve cutter revolve the plane position.
Be provided with micro-adjusting mechanism between axle sleeve that described central axis is outside and the fixed support; Micro-adjusting mechanism is provided with two groups or many groups; Correspondence is installed in the central axis both sides, and micro-adjusting mechanism comprises adjustable plate, fixed head and adjusting bolt, and adjustable plate is fixedly connected in the central axis both sides; Fixed head is fixedly mounted on the fixed support of central axis both sides, and adjustable plate and fixed head are one through regulating adjustable being spirally connected of bolt.Through regulating the relative position between adjustable plate and the fixed head, realize any fine setting of central axis in perpendicular 360 degree with this, to guarantee the location and the centering of central axis.
All offer rectangular through hole on described adjustable plate and the fixed head, strip hole on the adjustable plate and vertical setting of strip hole on the fixed head are regulated bolt and are installed in the strip hole.
The biography machine comprises that cleaning scraping blade, rotating disk, second power set, back pass the machine side plate and go out buccal funnel behind the described earth; The cleaning scraping blade is the flap of end bending; Be distributed on through the turning joint connector on the excircle of round turntable, on the rotating disk fixed installation back biography machine side plate thereunder, the back passes the machine side plate one end pipeline that is fixedly connected; Second power set are installed in the rotating disk below; The output shaft of second power set connects the center of rotating disk, and the back passes machine side plate rear end and is provided with out buccal funnel, goes out the corresponding conveyer of installing in buccal funnel lower end.By second power set power is provided; Drive rotating disk and rotation simultaneously; Transfer out timely through the earth that digs that is screwed into of cleaning scraping blade its top; Conveyer is used for earth is cleared out of pipe interior completely, advances faster so that revolve cutter, has also saved the great amount of manpower work.
Described transmission mechanism is gear drive, sprocket chain strip transmission mechanism or Worm and worm-wheel gearing.
Described rear end of pipeline connects the hydraulic jack output, and the hydraulic jack other end withstands on the reserve wall at its back.Promote whole the advancing of pipeline through hydraulic jack.
Compared with prior art, the beneficial effect that the present invention had is:
1, change the plane mode of revolving, use flexibility height, simple to operation: as to adopt the mode that begins to revolve plane from some points, accomplish the plane that revolves by adjustable rotating head rotation then from a little disc to another little disc; Be in layer revolve the slow progression of plane formula; Therefore, in the process of construction, can find whether there are obstructions such as other pipelines, cable in the pipeline of Guan Dong front at any time; Avoid unnecessary economic loss; Also the gap between adjustable rotating head and the pipeline be can measure at any time, the pipe hole of pipeline and the gap between the adjustable rotating head regulated, consistent with the balance of keeping the pipe hole;
2, head is adjustable, safe and reliable: adjustable rotating head head can also be implemented in the rotation adjusting of 360 degree in the same plane when accomplishing to fix a point to revolve plane, because it is little to revolve the size of cutter; Therefore when excavating forward when running into hard objects, enough spaces are left on the next door of revolving cutter, can use other subsidy instrument to construct or remote monitoring through manual work; Remove the construction of hard objects continued; The be more convenient for maintenance in later stage, safety is higher, and production efficiency is higher.
Description of drawings
Fig. 1 is the front view sketch map of structure of the present invention.
Fig. 2 is the right view sketch map of adjustable rotating head of the present invention.
Fig. 3 is the vertical view sketch map that passes machine behind the earth of the present invention.
Fig. 4 is the local enlarged diagram of A part of Fig. 1 of the present invention.
Fig. 5 is that micro-adjusting mechanism of the present invention and piping erection concern the lateral view sketch map.
Wherein: 1; Revolve cutter 2; Power output shaft 3; Adjustable rotating head 4; First power set 5; Central axis 6; Axle sleeve 7; Motor 8; Gear drive 9; Conveyer 10; Biography machine 11 behind the earth; Upper gear box 12; Lower tooth roller box 13; Head tunes gear train 14; Group 15 cogs; Overcoat 16; Interior cover 17; Upper gear box output shaft 18; Lower tooth roller box power shaft 19; Lower tooth wheels 20; Cleaning scraping blade 21; Turning joint connector 22; Rotating disk 23; Second power set 24; The back passes machine side plate 25; Go out buccal funnel 26; Pipeline 27; Hydraulic jack 28; Reserve wall 29; Micro-adjusting mechanism 30; Adjustable plate 31; Fixed head 32; Regulate bolt 33; Fixed support.
The specific embodiment
Fig. 1 ~ 3rd, most preferred embodiment of the present invention, 1 ~ 5 couple of the present invention further specifies below in conjunction with accompanying drawing.
With reference to accompanying drawing 1 ~ 5: this jacking type pipeline development machine; Mainly comprise the motors 7 installed in pipeline 26 that round steel pipe processes, the pipeline 26, be installed in biography machine 10 behind head that pipeline 26 front ends drive through central axis 5 by motor 7 and the earth; Head top one side connects head and turns mechanism; Formation can 360 the adjustable rotating head 3 of degree rotary setting, adjustable rotating head 3 inputs connect central axis 5, output connects and revolves cutter 1; Central axis 5 is fixedly mounted on middle and upper part in the pipeline 26 through bearing and fixed support 33; Central axis 5 other ends connect motor 7 through transmission mechanism, and transmission mechanism is gear drive 8, sprocket chain strip transmission mechanism or Worm and worm-wheel gearing, and correspondences are provided with earth is discharged to biography machine 10 behind the outside earth of pipeline 26 in the pipeline 26 of adjustable rotating head 3 belows.
Adjustable rotating head 3 is mainly formed by upper gear box 11 and lower tooth roller box 12 intersection suits, and interior cover 16 suits that upper gear box 11 is installed through the overcoat 15 and lower tooth roller box 12 tops of its underpart installation are one; The group 14 that cogs is housed in the upper gear box 11, and the group that cogs 14 1 ends connect central axis 5, and the group that cogs 14 lower ends connect upper gear box output shaft 17; Lower tooth wheels 19 are housed in the lower tooth roller box 12; Lower tooth wheels 19 upper ends connect lower tooth roller box power shaft 18; Lower tooth wheels 19 front ends connect power output shaft 2, and revolve cutter 1 through power output shaft 2 connections, revolve cutter 1 for being fixedly mounted on power output shaft 2 ends; Be uniformly distributed with by a plurality of blade annulars and surround, the circle of formation is revolved the internal diameter of the maximum gauge of planing surface less than pipeline 26; Upper gear box output shaft 17 is the inner splined shaft that is provided with internal spline; Lower tooth roller box power shaft 18 is the outside splined shaft that is provided with external splines; Upper gear box output shaft 17 is one with lower tooth roller box power shaft 18 through inside and outside spline socket, and can realize the up-down stretch of distance between upper gear box 11 and the lower tooth roller box 12 through interior external splines.
Head is turned mechanism and is installed in upper gear box 11 tops one side; Head is turned mechanism and is comprised that first power set 4 tune gear train 13 with head; Head tunes gear train 13 and comprises a pair of big pinion that is meshed; Pinion is installed on first power set, 4 output shafts, and gear wheel is installed in upper gear box 11 upper outside, and is fixedly set on the central axis 5.
Be provided with micro-adjusting mechanism 29 between the axle sleeve 6 of central axis 5 outsides and the fixed support 33; Micro-adjusting mechanism 29 is provided with two groups or many groups; Correspondence is installed in central axis 5 both sides, and micro-adjusting mechanism 29 comprises adjustable plate 30, fixed head 31 and regulate bolt 32 that adjustable plate 30 is fixedly connected in central axis 5 both sides; Fixed head 31 is fixedly mounted on the fixed support 33 of central axis 5 both sides, and adjustable plate 30 is one with fixed head 31 through regulating bolt 32 adjustable being spirally connected.All offer rectangular through hole on adjustable plate 30 and the fixed head 31, the vertical setting of strip hole on the strip hole on the adjustable plate 30 and the fixed head 31, adjusting bolt 32 is installed in the strip hole.
The course of work is following: the present invention is when work; The plane mode of revolving that is adopted is to begin to revolve plane from some points, accomplishes the plane that revolves from a little disc to another little disc by 3 rotations of adjustable rotating head then, is that in layer the plane formula of revolving is excavated; When excavation runs into hard objects forward; Enough spaces are left on the next door of revolving cutter 1, can use other subsidy instrument to construct through manual work, remove the construction of hard objects continued.
At first; By motor 7 power is provided; Give central axis 5 through transmission mechanism with transmission of power; Central axis 5 is given transmission of power the upper gear box 11 of adjustable rotating head 3; Central axis 5 parts in the upper gear box 11 are given transmission of power and the lower tooth roller box power shaft 18 of upper gear box output shaft 17 through inside and outside spline socket with upper gear box output shaft 17 through the group 14 that cogs, and lower tooth roller box power shaft 18 is given power output shaft 2 through lower tooth wheels 19 with transmission of power, are finally driven by power output shaft 2 and revolve cutter 1 and realize revolving digging and transport and move.In revolving the process of plane, dig earth down through biography machine 10 behind the earth is arranged, cleaning scraping blade 20 provides power to rotate by second power set 23; Earth is focused on out buccal funnel 25; Get into conveyer 9 by going out buccal funnel 25, deliver to ground by conveyer 9, because employing is the rotary plane operation of revolving; Can produce the counter-rotating of pipeline 26; Reconcile the counter-rotating of pipeline 26 with adjustable inversion device, integral body of the present invention motive force forward is to be accomplished by the hydraulic jack 27 that withstands on adjustable rotating head 3 and pipeline 26 back, and the back of hydraulic jack 27 withstands on the reserve wall 28.
Wherein, adjustable rotating head 3 carries out deciding circle, orientation and location through its outside pipeline 26, come to feel relieved, locate as main movement shaft with central axis 5 for revolving the plane center, by adjustable rotating head 3 with revolve cutter 1 and accomplish and revolve planing and make radius.Revolve cutter 1 revolving in perpendicular when digging the position in needs adjustment, stop motor 7, start first power set 4; First power set 4 tune gear train 13 through head and give central axis 5 with transmission of power; Central axis 5 tunes the gear wheel that gear train 13 is fixedly mounted on upper gear box 11 upper outside through head, drives adjustable rotating head 3 and rotates in the scope of 360 degree of perpendicular around central axis 5, thus; Adjusting is revolved revolving of cutter 1 and is dug the position; And when preventing to excavate forward, because up and down inclination about eccentric causing, main shaft can be regulated eccentric angles by 360 degree.Moreover; Again since between upper gear box output shaft 17 and the lower tooth roller box power shaft 18 through inside and outside splined; Can realize the up-down stretch of the distance between upper gear box 11 and the lower tooth roller box 12 thus; Through regulate this distance control revolve cutter 1 revolve the plane diameter, remedy because of revolving revolving that cutter 1 wearing and tearing cause and dig the defective that diameter changes, the assurance of maximum dynamics is revolved and is dug pipe hole dia unanimity.
For guaranteeing adjustable rotating head 3 rotation adjustment centering and location afterwards; Can realize the miniature adjusting of central axis 5 in perpendicular 360 degree through micro-adjusting mechanism 29; When need regulating, open and regulate bolt 32, upwards, downwards, the position of Mobility Center axle 5 arbitrarily to the left or to the right; Realization is to the miniature adjusting of central axis 5 in perpendicular 360 degree, and adjustable range is probably about 2cm.
In addition, be excavation, slow progression in layer because the present invention adopts, therefore; In the process of construction; Can find whether there are obstructions such as other pipelines, cable in the pipeline of Guan Dong front, avoid unnecessary economic loss, also can measure the gap between adjustable rotating head 3 and the pipeline 26 at any time at any time; Regulate the pipe hole of pipeline 26 and the gap between the adjustable rotating head 3, consistent with the balance of keeping the pipe hole; In addition, enough spaces are left in the middle rear end of pipeline 26, can control or remote monitoring the maintenance in the later stage of being more convenient for by artificial direct control.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But everyly do not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and remodeling that above embodiment did, still belong to the protection domain of technical scheme of the present invention according to technical spirit of the present invention.
Claims (10)
1. jacking type pipeline development machine; Comprise the interior motor of installing (7) of pipeline (26), pipeline (26) that round steel pipe is processed and be installed in the head that pipeline (26) front end is driven through central axis (5) by motor (7); It is characterized in that: described head top one side connects head and turns mechanism; Formation can 360 the adjustable rotating head (3) of degree rotary setting; Adjustable rotating head (3) input connects central axis (5), and cutter (1) is revolved in the output connection, and central axis (5) is fixedly mounted on the interior middle and upper part of pipeline (26) through bearing and fixed support (33); Central axis (5) other end connects motor (7) through transmission mechanism, sets up in the pipeline (26) of adjustable rotating head (3) below earth is discharged to biography machine (10) behind the outside earth of pipeline (26).
2. jacking type pipeline development machine according to claim 1; It is characterized in that: described adjustable rotating head (3) comprises upper gear box (11) and lower tooth roller box (12), and interior cover (16) suit that upper gear box (11) is installed through the overcoat (15) and lower tooth roller box (12) top of its underpart installation is an one.
3. jacking type pipeline development machine according to claim 2 is characterized in that: the group (14) that cogs is housed in the described upper gear box (11), and the group that cogs (14) one ends connect central axis (5), and the lower end connects upper gear box output shaft (17); Lower tooth wheels (19) are housed in the lower tooth roller box (12), and lower tooth wheels (19) upper end connects lower tooth roller box power shaft (18), and front end connects power output shaft (2), and revolves cutter (1) through power output shaft (2) connection.
4. jacking type pipeline development machine according to claim 3; It is characterized in that: described upper gear box output shaft (17) is the inner splined shaft that is provided with internal spline; Lower tooth roller box power shaft (18) is the outside splined shaft that is provided with external splines, and upper gear box output shaft (17) is one with lower tooth roller box power shaft (18) through inside and outside spline socket.
5. jacking type pipeline development machine according to claim 1; It is characterized in that: described head is turned mechanism and is installed in upper gear box (11) top one side; Head is turned mechanism and is comprised that first power set (4) and head tune gear train (13), and head tunes gear train (13) and comprises a pair of big pinion that is meshed, and pinion is installed on first power set (4) output shaft; Gear wheel is installed in upper gear box (11) upper outside, and is fixedly set on the central axis (5).
6. jacking type pipeline development machine according to claim 1; It is characterized in that: be provided with micro-adjusting mechanism (29) between axle sleeve (6) that described central axis (5) is outside and the fixed support (33); Micro-adjusting mechanism (29) is provided with two groups or many groups; Correspondence is installed in central axis (5) both sides, and micro-adjusting mechanism (29) comprises adjustable plate (30), fixed head (31) and regulate bolt (32) that adjustable plate (30) is fixedly connected in central axis (5) both sides; Fixed head (31) is fixedly mounted on the fixed support (33) of central axis (5) both sides, and adjustable plate (30) and fixed head (31) are one through regulating adjustable being spirally connected of bolt (32).
7. jacking type pipeline development machine according to claim 6; It is characterized in that: all offer rectangular through hole on described adjustable plate (30) and the fixed head (31); Vertical setting of strip hole on strip hole on the adjustable plate (30) and the fixed head (31) regulated bolt (32) and is installed in the strip hole.
8. jacking type pipeline development machine according to claim 1; It is characterized in that: biography machine (10) comprises that cleaning scraping blade (20), rotating disk (22), second power set (23), back pass machine side plate (24) and go out buccal funnel (25) behind the described earth; Cleaning scraping blade (20) is the flap of end bending; Be distributed on the excircle of round turntable (22) through turning joint connector (21), on rotating disk (22) the fixed installation back biography machine side plate (24) thereunder, the back passes machine side plate (24) the one ends pipeline (26) that is fixedly connected; Second power set (23) are installed in rotating disk (22) below; The output shaft of second power set (23) connects the center of rotating disk (22), and the back passes machine side plate (24) rear end and is provided with out buccal funnel (25), goes out the corresponding conveyer (9) of installing in buccal funnel (25) lower end.
9. jacking type pipeline development machine according to claim 1 is characterized in that: described transmission mechanism is gear drive (8), sprocket chain strip transmission mechanism or Worm and worm-wheel gearing.
10. according to claim 1 or 8 each described jacking type pipeline development machines, it is characterized in that: described pipeline (26) rear end connects hydraulic jack (27) output, and hydraulic jack (27) other end withstands on the reserve wall (28) at its back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250826.4A CN102748034B (en) | 2012-07-19 | 2012-07-19 | Jacking type pipeline heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250826.4A CN102748034B (en) | 2012-07-19 | 2012-07-19 | Jacking type pipeline heading machine |
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| Publication Number | Publication Date |
|---|---|
| CN102748034A true CN102748034A (en) | 2012-10-24 |
| CN102748034B CN102748034B (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210250826.4A Expired - Fee Related CN102748034B (en) | 2012-07-19 | 2012-07-19 | Jacking type pipeline heading machine |
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| Country | Link |
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| CN (1) | CN102748034B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104262A (en) * | 2012-12-08 | 2013-05-15 | 张永忠 | Mud water type hydraulic driving jacking pipe |
| CN103711492A (en) * | 2013-04-26 | 2014-04-09 | 苏州二建建筑集团有限公司 | Pipe-jacking type cable sleeve passage construction method |
| CN105134234A (en) * | 2015-08-09 | 2015-12-09 | 刘玉秋 | Waist-round pipe jacking equipment |
| CN108729922A (en) * | 2018-05-31 | 2018-11-02 | 中国铁建重工集团有限公司 | A kind of push-bench and formula pipe jacking construction method can be retracted |
| CN111712613A (en) * | 2018-02-13 | 2020-09-25 | 齐尔珀特伦齐莱斯有限公司 | System and method for underground pipe installation |
| US11959338B2 (en) | 2022-09-15 | 2024-04-16 | Arcbyt, Inc. | Multi-tool boring systems and methods of operating such systems |
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| EP0677643A1 (en) * | 1994-04-15 | 1995-10-18 | Alpine Westfalia Berg- und Tunneltechnik GmbH & Co. | Tunnel boring machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104262A (en) * | 2012-12-08 | 2013-05-15 | 张永忠 | Mud water type hydraulic driving jacking pipe |
| CN103711492A (en) * | 2013-04-26 | 2014-04-09 | 苏州二建建筑集团有限公司 | Pipe-jacking type cable sleeve passage construction method |
| CN103711492B (en) * | 2013-04-26 | 2016-01-20 | 苏州二建建筑集团有限公司 | A kind of jacking-type cable sleeve channel construction method |
| CN105134234A (en) * | 2015-08-09 | 2015-12-09 | 刘玉秋 | Waist-round pipe jacking equipment |
| CN111712613A (en) * | 2018-02-13 | 2020-09-25 | 齐尔珀特伦齐莱斯有限公司 | System and method for underground pipe installation |
| US11287060B2 (en) | 2018-02-13 | 2022-03-29 | Zilper Trenchless, Inc. | Systems and methods for underground pipe installation and soil clearing |
| CN108729922A (en) * | 2018-05-31 | 2018-11-02 | 中国铁建重工集团有限公司 | A kind of push-bench and formula pipe jacking construction method can be retracted |
| CN108729922B (en) * | 2018-05-31 | 2024-02-02 | 中国铁建重工集团股份有限公司 | Push bench and retractable push bench construction method |
| US11959338B2 (en) | 2022-09-15 | 2024-04-16 | Arcbyt, Inc. | Multi-tool boring systems and methods of operating such systems |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102748034B (en) | 2014-08-20 |
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