CN100422618C - Non-excavation type pipeline laying machine - Google Patents
Non-excavation type pipeline laying machine Download PDFInfo
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- CN100422618C CN100422618C CNB2006100167486A CN200610016748A CN100422618C CN 100422618 C CN100422618 C CN 100422618C CN B2006100167486 A CNB2006100167486 A CN B2006100167486A CN 200610016748 A CN200610016748 A CN 200610016748A CN 100422618 C CN100422618 C CN 100422618C
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Abstract
A device used for laying optical cable under non-excavated pipeline consists of steering unit formed by cone head and ball head cam, running unit formed by internal driving ring, external driving ring, sliding internal cavity and sliding external cavity as well as fixing unit formed by front and back fixing plates. It is featured as applying the stepping motor to drive said steering unit, using also stepping motor to drive said running unit and using steel wire rope to finalize transmission of said running unit for ensuring flexibility of said running unit.
Description
Technical field
The present invention relates to mechanical soil dynamics, mechatronics, Der Grundsatz der Maschinen, mechanical parts.
Background technique
Traditional pipe installation mode is to adopt the way of hand digging, pipeline is imbedded underground.Pipeline installation like this, efficient is low, and is serious to face of land vegetation deterioration.The construction plant that also has a kind of non-excavation type, this machinery are respectively to dig a bigger square hole at two ends, and machine is put at one end the hole, make a call to a hole with punching machine earlier, come reaming with it then, and this laying machinery lays that distance is limited, and it is loaded down with trivial details to construct, and efficient is low.
Summary of the invention
The object of the present invention is to provide a kind of long-distance that is suitable for, efficiently the underground utility paving mode.
For realizing the mode of this purpose employing driving of the present invention, make machine in underground walking by there being inside and outside driving ring to cooperate in fixed tray and slip inner chamber and the slip exocoel, utilize the turning part to assign to adjust direction.
Be provided with 4 fixed trays at the two ends of this machine, 16, fixed tray is by 15, on the nut A stuck-at-7, gear shaft A, 17, gear shaft A and 81, gear shaft B by 80, sliding bearing C and 82, sliding bearing D be fixed on 79, on the bevel gear shaft supporting base.
There is slip inner chamber and the slip exocoel that matches centre of the present invention, in slip inner chamber and slip exocoel, inside and outside driving ring is arranged, 33, outer driving ring is the spill plate-like, have 23,23 33, outer driving ring is together with 31, outer shroud dish plug and 62, end ring is with 28 before outer the driving, wire rope A wears, its mode of wearing is 28, wire rope A is 33, the both sides of outer driving ring axis, with its axis in same plane, 28. wire rope A walks around 36 respectively, inner drive ring guide roller and 37, outer driving ring guide roller, 37, outer driving ring guide roller is to be fixed on 62, the outer driving on the preceding end ring, 36, the inner drive ring guide roller is to be fixed on 35, in the inner drive ring plug, 35, the inner drive ring plug also is a split type, by 61, bolt C is stitched together two-part, 35, inner drive ring plug and 39, inner drive ring is by 38 of its inside, two bulbs connect joint and connect, 39, inner drive ring is a split type, be by 61, bolt C is stitched together two-part, and each inner drive ring Placement is with 35, inner drive ring plug and 39, the Placement of inner drive ring.
The wheeled cheese cavity that stirs of 60. nippers of drive part of the present invention also has a gear type to stir the cheese structure with 27, gear type is stirred cheese, have 91 on it, wire rope B, 91,90 of wire rope B, wire rope fixing head B is embedded in 40, in the gear cavity spill plug, 91, wire rope B passes 33, the mode of outer driving ring is with 28, wire rope A passes 33, the mode of outer driving ring, but 91, wire rope B and 33, the plane and 28 that the inner drive ring axis constitutes, wire rope A and 33, the plane that outer driving ring axis constitutes is vertical, 91, wire rope B walks around two 92, outer driving ring guide roller B and one is fixed on 40, on the gear cavity spill plug 89, guide roller, 91, wire rope B is connected in 60, the wheeled gear type of stirring in the cheese cavity of nipper is stirred on the cheese.The step motor drive reel drives inside and outside driving ring and relatively moves rapidly, and two kinds of devices cooperate just can make machinery in underground rapid walking.
Front end of the present invention has rotating conehead, 50 of knuckle section of the present invention, the bulb cam is by 56, sliding bearing A and 49, bulb cam supporting base connects, 50, bulb cam front end and 53, have 55 on corresponding of the conehead, the spherical slideway of bulb cam, 55, the spherical slideway of bulb cam has 51, two bulb struts, 51, the other end of two bulb struts is 53, in the conehead 52, in the conehead inner groovy, 50, the Placement of bulb cam and stepper motor is with 22, push away the moving motor and 26 of stepping, the Placement of bevel gear shaft, 50, the bulb cam is 48, turn in the cavity, 48, turn in the cavity is split type, two-part connect by bolt, 50, the sphere top of bulb cam is embedded in 53, in the conehead 54, in the interior spherical cavity of conehead, 53, the two-part that in the conehead also are split type connect by bolt.Adopt step motor drive, can adjust the direction that it advances quickly and accurately, the revolution of stepper motor can be controlled by wired control mode.
At first the starting point at pipeline installation digs long 6 six meters wide geosynclines of 1.5 meters, and this machinery is placed in the groove, withstands this machine at afterbody, starts this machine, and this machine will pierce in the soil, and its afterbody has draw ring, and the pipeline that can draw laying moves ahead.
This laying machinery can reach about 1500 meters at the ground down stroke.Can lay at a distance, also can closely lay per minute and can lay 30 meters efficient height, and, can the vegetation on the face of land not damaged yet.
Description of drawings
Fig. 1 is the non-excavation type pipeline laying machine plan view
Fig. 2 becomes an angle of 90 degrees sectional view for non-excavation type pipeline laying machine body running gear with the split surface that Fig. 1 can see
Fig. 3 is a cross-section cutaway view behind the conehead
Fig. 4 is a pushing stepping motor cavity front end view
Fig. 5 is excessive slip exocoel, an exocoel split collar and screw amalgamation sectional view view together
The inner drive ring sectional view of Fig. 6 for being connected by bolt C
Fig. 7 is outer driving ring dish plug partial sectional view
Fig. 8 is fixed tray cavity and fixed tray assembled view
Fig. 9 non-excavation type pipeline laying machine front view
Walking partial view before Figure 10 non-excavation type pipeline laying machine
Afterbody view before Figure 11 non-excavation type pipeline laying machine
Among the figure: 1, draw ring 2, periproct plug 3, bolt A 4, wire hole 5, reel 6, spiral stepper motor 7, positive stop lug boss 8, switch hook head 9, spline 10, anti-rotation wing plate 11, fixed tray rotating stepper motor 12, back fixed tray rotating stepper motor cavity 13, flexible axle 14, the spherical plug 15 that connects, nut A 16, fixed tray 17, gear shaft A 18, fixed tray cavity 19, adjust pad A 20, pushing stepping motor cavity rear end groove internal spline 21, pushing stepping motor cavity 22, promote the moving motor 23 of stepping, mounting flange 24, bolt B 25, universal slip joint 26, bevel gear shaft 27, gear type is stirred cheese 28, wire rope A 29, cover 30 rolls, rolling sleeve 31, outer driving ring dish plug 32, slip inner chamber 33, outer driving ring 34, slip exocoel 35, inner drive ring plug 36, inner drive ring guide roller 37, outer driving ring guide roller A 38, two bulbs connect joint 39, inner drive ring 40, gear cavity spill plug 41, gear type is stirred cheese supporting base 42, nut B 43, adjust pad B 44, adjust pad C 45, pulling stepper motor 46, pulling stepper motor chamber anti-rotation wing plate 47, flat key 48, turn to cavity 49, bulb cam supporting base 50, bulb cam 51, two bulb struts 52, conehead inner groovy 53, conehead 54, spherical cavity 55 in the conehead, the spherical slideway 56 of bulb cam, sliding bearing A 57, preceding fixed tray cavity 58, preceding fixed tray rotating stepper motor cavity 59, pulling stepper motor cavity 60, the wheeled cheese cavity 61 that stirs of nipper, bolt C 62, end ring 63 before outer the driving, excessive slip exocoel 64, exocoel split collar 65, screw 66, wire rope fixing head A 67, gear type is stirred cheese cavity gib head 68, gear type is stirred cheese cavity spill plug 69, gear type is stirred cheese cavity 70, bevel gear shaft supports 71, gear type is stirred cheese cavity spline 72, pushing stepping motor cavity switch hook head 73, pushing stepping motor cavity positive stop lug boss 74, pushing stepping motor cavity anti-rotation wing plate 75, pushing stepping motor cavity rear end groove 76, back fixed tray cavity switch hook head 77, back fixed tray cavity positive stop lug boss 78, sliding bearing B 79, bevel gear shaft supporting base 80, sliding bearing C 81, gear shaft B 82, sliding bearing D 83, gear shaft C 84, nut C 85, flexible shaft protecting 86, fixed tray rotating stepper motor cavity gib head 87, spiral stepper motor supporting base 88, spiral stepper motor cavity 89, guide roller B 90, wire rope fixing head B 91, wire rope B 92, outer driving ring guide roller B
Embodiment
Afterbody of the present invention 88, spiral stepper motor cavity is split type, so-called split type is divided into two cylindrical integral exactly from axis, it is all like this to mention split type mechanism later on.88, two-part of spiral stepper motor cavity with 3, bolt A connects, 88, have 87 in the spiral stepper motor cavity, spiral stepper motor supporting base, 6, the spiral stepper motor just by 88, two-part of spiral stepper motor cavity are pieced together and the time impacting force that produces be fixed in the above, 6, the spiral step motor shaft is connected by interference fit and 5, reel, and 1, the screw thread of draw ring by screw thread and 2, periproct plug is empty is connected.
Afterbody of the present invention 88, spiral stepper motor cavity links to each other by cooperation and 12, the back fixed tray rotating stepper motor cavity of 8, switch hook head and 86, fixed tray electric rotating machine cavity gib head, simultaneously 8,9 on the switch hook head and 88, fixed tray rotating stepper motor cavity, spline match, 88, have 10 on the fixed tray rotating stepper motor cavity, the anti-rotation wing plate.
88 of afterbody of the present invention, fixed tray electric rotating machine cavity also is a split type, also be to connect by bolt, 88, be special 11 in the fixed tray rotating stepper motor cavity, the fixed tray rotating stepper motor, 11, the output shaft of fixed tray rotating stepper motor is 13, flexible axle, 12, back fixed tray rotating stepper motor cavity is the spherical attachment hole and 18 by its front end, on the fixed tray cavity 14, the incompatible connection that matches of the spherical bulb that connects plug, 13, flexible axle is by 85, flexible shaft protecting and 83, the spline fitted of gear shaft C external part connects, 83, gear shaft C adopts 82, sliding bearing D and 14, the spherical plug that connects connects, 83, the gear disk of gear shaft C and 81, gear shaft B and 17, the gear disk of gear shaft A is meshed, 82, the gear disk inner side surface and 14 of sliding bearing D, between the spherical connection plug is 19, adjust pad A, 82, sliding bearing D is by 84, nut C stuck-at-4, the spherical connection on the plug.
18. fixed tray cavitys of standing part of the present invention also are split types, two-part are connected by bolt, 16, fixed tray is by 15, on the nut A stuck-at-7, gear shaft A, 17, gear shaft A and 81, gear shaft B by 80, sliding bearing C and 82, sliding bearing D be fixed on 79, on the bevel gear shaft supporting base, 18, the fixed tray cavity be by 76, back fixed tray cavity switch hook head and 75, the interlock mutually of pushing stepping motor cavity rear end groove, and and 20, the cooperation of pushing stepping motor cavity rear end groove internal spline.21, be special 22 in the pushing stepping motor cavity, push away the moving motor of stepping, 21, symmetric arrangement 74 on the pushing stepping motor cavity, pushing stepping motor cavity anti-rotation wing plate, 22, the output shaft that pushes away the moving motor of stepping is by 23, mounting flange and special 25, universal slip joint connects, 23, mounting flange and special 25, it is by 24 that universal slip joint connects, bolt B is fastening, 23, mounting flange and 22, the output shaft that pushes away the moving motor of stepping is by 47, flat key connects, 26, bevel gear shaft and 25, the Placement of universal slip joint is with 25, universal slip joint and 22, push away the Placement of the output shaft of the moving motor of stepping, 72, pushing stepping motor cavity switch hook head and 71, gear type is stirred cheese cavity spline fitted.
26. bevel gear shafts of drive part of the present invention be by sliding bearing be fixed on 70, bevel gear shaft supports, 69, to stir the cheese cavity be that the bolt that passes through of split type connects to gear type, 69, gear type stir in the cheese cavity be 27, gear type stirs cheese, 27, gear type stir and twining 28 on the cheese, wire rope A27, gear type stir cheese by 42, nut B is fixed on 41, gear type is stirred on the cheese supporting base, 27, gear type stir cheese by 43, adjust pad B and 44, adjust that pad C adjusts axial position so that with 26, the bevel gear shaft engagement.31, outer shroud dish plug acts on 68, gear type stirs in the cheese cavity spill plug pit, 66, wire rope fixing head A is embedded in 68, gear type stirs in the cheese cavity spill plug, 67, gear type is stirred the gib head interlock of cheese cavity gib head and 63, excessive slip exocoel, split type 63, the excessive slip exocoel by 64, exocoel split collar and 65, screw amalgamation be in the same place.34, the structure of slip exocoel and the mode that is merged with 63, the structure of excessive slip exocoel and be merged mode.32, the slip inner chamber is an integral body, 34, slip exocoel and 32, slip inner chamber Placement with 63, excessive slip exocoel and 69, the gear type Placement of stirring the cheese cavity.
33 of drive part of the present invention, outer driving ring is the spill plate-like, have 23,23 33, outer driving ring is together with 31, outer shroud dish plug and 62, end ring is with 28 before outer the driving, wire rope A wears, its mode of wearing is 28, the both sides of wire rope A driving ring axis outside 33., with its axis in same plane, 28. wire rope A walks around 36 respectively, inner drive ring guide roller and 37, outer driving ring guide roller, 37, outer driving ring guide roller is to be fixed on 62, the outer driving on the preceding end ring, 36, the inner drive ring guide roller is to be fixed on 35, in the inner drive ring plug, 35, the inner drive ring plug also is a split type, by 61, bolt C is stitched together two-part, 35, inner drive ring plug and 39, inner drive ring is by 38 of its inside, two bulbs connect joint and connect, 39, inner drive ring is a split type, be by 61, bolt C is stitched together two-part, and each inner drive ring Placement is with 35, inner drive ring plug and 39, the Placement of inner drive ring.
The stack of drive part of the present invention 39, inner drive ring withstands on 40, on the gear cavity spill plug.60, nipper wheeled stir cheese cavity and internal structure thereof also have with 59. pulling stepper motor cavity Placements with 12, fixed tray rotating stepper motor cavity and 88, spiral stepper motor cavity Placement.60, nipper wheeled stir cheese cavity and slip exocoel Placement with 63, excessive slip exocoel and 69, the gear type Placement of stirring the cheese cavity.
The wheeled cheese cavity that stirs of 60. nippers of drive part of the present invention also has a gear type to stir the cheese structure with 27, gear type is stirred cheese, have 91 on it, wire rope B, 91,90 of wire rope B, wire rope fixing head B is embedded in 40, in the gear cavity spill plug, 91, wire rope B passes 33, the mode of outer driving ring is with 28, wire rope A passes 33, the mode of outer driving ring, but 91, wire rope B and 33, the plane and 28 that the inner drive ring axis constitutes, wire rope A and 33, the plane that outer driving ring axis constitutes is vertical, 91, wire rope B walks around two 92, outer driving ring guide roller B and one is fixed on 40, on the gear cavity spill plug 89, guide roller, 91, wire rope B is connected in 60, the wheeled gear type of stirring in the cheese cavity of nipper is stirred on the cheese.57, the Placement of preceding fixed tray cavity and 58, preceding fixed tray rotation stepping electricity cavity is with the Placement of 12. fixed tray rotating stepper motor cavitys and 18, fixed tray cavity.58, preceding fixed tray rotation stepping electricity inside cavity structure with 12, the internal structure of back fixed tray rotating stepper motor cavity.
50 of knuckle section of the present invention, the bulb cam is by 56, sliding bearing A and 49, bulb cam supporting base connects, 50, bulb cam front end and 53, have 55 on corresponding of the conehead, the spherical slideway of bulb cam, 55, the spherical slideway of bulb cam has 51, two bulb struts, 51, the other end of two bulb struts is 53, in the conehead 52, in the conehead inner groovy, 50, the Placement of bulb cam and stepper motor is with 22, push away the moving motor and 26 of stepping, the Placement of bevel gear shaft, 50, the bulb cam is 48, turn in the cavity, 48, turn in the cavity is split type, two-part connect by bolt, 50, the sphere top of bulb cam is embedded in 53, in the conehead 54, in the interior spherical cavity of conehead, 53, the two-part that in the conehead also are split type connect by bolt.
Claims (7)
1. non-excavation type pipeline laying machine, it mainly is the knuckle section that is made of conehead and bulb cam; The running gear that inner drive ring, outer driving ring, slip inner chamber and slip exocoel constitute; Partly form with the fixing device that the front and back fixed tray constitutes; It is characterized in that: spiral stepper motor cavity (88) is a split type, and two-part of spiral stepper motor cavity (88) connect with bolt A (3), and draw ring (1) is connected by the tapped hole of screw thread with periproct plug (2); Spiral stepper motor cavity (88) links to each other with back fixed tray rotating stepper motor cavity (12) by the cooperation of its switch hook head (8) and fixed tray rotating stepper motor cavity gib head (86), has anti-rotation wing plate (10) on the spiral stepper motor cavity (88); The output shaft of fixed tray rotating stepper motor (11) is flexible axle (13), back fixed tray rotating stepper motor cavity (12) is by the incompatible connection that matches of the spherical attachment hole of its front end is connected plug (14) with sphere on the fixed tray cavity (18) bulb, the gear disk of gear shaft C (83) is meshed with the gear disk of gear shaft B (81) and gear shaft A (17), fixed tray cavity (18) also is a split type, two-part are connected by bolt, fixed tray cavity (18) is by back fixed tray cavity switch hook head (76) and pushing stepping motor cavity rear end groove (75) interlock mutually, and cooperates with pushing stepping motor cavity rear end groove internal spline (20); Pushing stepping motor cavity switch hook head (72) stirs cheese cavity spline (71) with gear type and cooperates; It is that the gear type that drives bad plug (35) and inner drive ring (39) motion in promoting is stirred the cheese system that gear type is stirred in the cheese cavity (69); Outer shroud dish plug (31) acts on gear type and stirs in cheese cavity spill plug (68) pit, wire rope fixing head A (66) is embedded in gear type and stirs in the cheese cavity spill plug (68), gear type is stirred the gib head interlock of cheese cavity gib head (67) and excessive slip exocoel (63), the excessive slip exocoel (63) of split type by exocoel split collar (64) and screw (65) amalgamation together, slip inner chamber (32) is an integral body, each outer driving ring (33) is to adopt wire rope A (28) to connect between the spill plate-like, inner drive ring plug (35) also is a split type, by bolt C (61) two-part are stitched together, inner drive ring (39) connects by two bulbs connection joints (38) of its inside; The wheeled cheese cavity (60) that stirs of nipper also has a gear type to stir cheese, and gear type is stirred wire rope B (91) on the cheese, to spur outer driving ring dish plug (31) and outer driving ring (33); On corresponding of bulb cam (50) front end and the conehead (53) the spherical slideway (55) of bulb cam is arranged, at the spherical slideway of bulb cam (55) two bulb struts (51) are arranged, conehead inner groovy (52) lining of the other end of two bulb struts (51) in conehead (53), bulb cam (50) is in turning to cavity (48), turning in the cavity (48) is split type, two-part connect by bolt, the sphere top of bulb cam (50) is embedded in the interior spherical cavity (54) of the interior conehead of conehead (53), also is that two-part of split type connect by bolt in the conehead (53).
2. non-excavation type pipeline laying machine according to claim 1, it is characterized in that: spiral stepper motor cavity (88) links to each other with back fixed tray rotating stepper motor cavity (12) by the cooperation of its switch hook head (8) and fixed tray electric rotating machine cavity gib head (86), and switch hook head (8) matches with spline (9) on the spiral stepper motor cavity (88).
3. non-excavation type pipeline laying machine according to claim 1, it is characterized in that: bevel gear shaft (26) is to be fixed on bevel gear shaft by sliding bearing to support (70), it is that the bolt that passes through of split type connects that gear type is stirred cheese cavity (69), it is that gear type is stirred cheese (27) that gear type is stirred in the cheese cavity (69), gear type is stirred and is being twined wire rope A (28) on the cheese (27), gear type is stirred cheese (27) and is fixed on gear type by nut B (42) and stirs on the cheese supporting base (41), and gear type is stirred cheese (27) by adjusting pad B (43) and adjusting pad C (44) adjustment axial position so that mesh with bevel gear shaft (26).
4. non-excavation type pipeline laying machine according to claim 1, it is characterized in that: outer driving ring (33) is the spill plate-like, each outer driving ring (33) wears with wire rope A (28) together with outer shroud dish plug (31) and the preceding end ring (62) of outer driving, its mode of wearing is wire rope A (28) both sides of driving ring (33) axis outside, with its axis in same plane, wire rope A (28) walks around inner drive ring guide roller (36) and outer driving ring guide roller (37) respectively, outer driving ring guide roller (37) is to be fixed on outer the driving on the front end bad (62), and inner drive ring guide roller (36) is to be fixed in the inner drive ring plug (35).
5. non-excavation type pipeline laying machine according to claim 1, it is characterized in that: inner drive ring plug (35) and inner drive ring (39) are that the two bulbs by its inside are connected joint (38) and connect, inner drive ring (39) is a split type, be by bolt C (61) two-part to be stitched together, the inner drive ring of stack (39) withstands on the gear cavity spill plug (40).
6. non-excavation type pipeline laying machine according to claim 1, it is characterized in that: the wheeled cheese cavity (60) that stirs of nipper also has a gear type to stir cheese, gear type is stirred wire rope B (91) on the cheese, the wire rope fixing head B (90) of wire rope B (91) is embedded in the gear cavity spill plug (40), wire rope B (91) passes the mode that the mode of outer driving ring (33) is passed outer driving ring (33) with wire rope A (28), but wire rope B (91) is vertical with the plane that outer driving ring (33) axis constitutes with wire rope A (28) with the plane that outer driving ring (33) axis constitutes, wire rope B (91) walks around two outer driving ring guide roller B (92) and and is fixed on guide roller (89) on the gear cavity spill plug (40), and wire rope B (91) is connected in the wheeled gear type of stirring in the cheese cavity (60) of nipper and stirs on the cheese.
7. non-excavation type pipeline laying machine according to claim 1 is characterized in that: bulb cam (50) is to be connected with bulb cam supporting base (49) by sliding bearing A (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100167486A CN100422618C (en) | 2006-04-05 | 2006-04-05 | Non-excavation type pipeline laying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100167486A CN100422618C (en) | 2006-04-05 | 2006-04-05 | Non-excavation type pipeline laying machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101050830A CN101050830A (en) | 2007-10-10 |
| CN100422618C true CN100422618C (en) | 2008-10-01 |
Family
ID=38782374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100167486A Expired - Fee Related CN100422618C (en) | 2006-04-05 | 2006-04-05 | Non-excavation type pipeline laying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100422618C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899320B (en) * | 2014-03-26 | 2016-02-03 | 中铁工程装备集团有限公司 | Direct pipelayer |
| CN104482297A (en) * | 2014-11-15 | 2015-04-01 | 赵涌韬 | Dragging device |
| CN110535072B (en) * | 2019-10-10 | 2021-02-09 | 宋红浩 | Trenchless power cable laying pipe penetrating device and power cable laying method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318638A (en) * | 1980-01-23 | 1982-03-09 | Vibra-King, Inc. | Cable detensioning apparatus |
| CN2460824Y (en) * | 2000-11-10 | 2001-11-21 | 镇江煤矿专用设备厂 | Mud water balance push bench |
| US20020100192A1 (en) * | 2001-02-01 | 2002-08-01 | Brian Kenkel | Plow for installing utility lines |
| CN1434234A (en) * | 2003-03-06 | 2003-08-06 | 上海隧道工程股份有限公司 | Central screw type soil pressure balance miniature push bench |
| CN2593002Y (en) * | 2002-12-12 | 2003-12-17 | 上海市机械施工公司 | Front-mounted cutter head cutting mud-water casting and staving apparatus |
| US20040223812A1 (en) * | 2001-09-04 | 2004-11-11 | Wentworth Steven W. | Method and apparatus for replacement of underground pipe |
| CN2722003Y (en) * | 2004-08-21 | 2005-08-31 | 中铁四局集团有限公司给排水工程分公司 | Mud-water balanced pipe jacking apparatus with floating cutter head |
| EP1540219B1 (en) * | 2002-01-14 | 2007-05-30 | Earth Tool Company L.L.C. | Method and apparatus for replacement of underground pipe |
-
2006
- 2006-04-05 CN CNB2006100167486A patent/CN100422618C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318638A (en) * | 1980-01-23 | 1982-03-09 | Vibra-King, Inc. | Cable detensioning apparatus |
| CN2460824Y (en) * | 2000-11-10 | 2001-11-21 | 镇江煤矿专用设备厂 | Mud water balance push bench |
| US20020100192A1 (en) * | 2001-02-01 | 2002-08-01 | Brian Kenkel | Plow for installing utility lines |
| US20040223812A1 (en) * | 2001-09-04 | 2004-11-11 | Wentworth Steven W. | Method and apparatus for replacement of underground pipe |
| EP1540219B1 (en) * | 2002-01-14 | 2007-05-30 | Earth Tool Company L.L.C. | Method and apparatus for replacement of underground pipe |
| CN2593002Y (en) * | 2002-12-12 | 2003-12-17 | 上海市机械施工公司 | Front-mounted cutter head cutting mud-water casting and staving apparatus |
| CN1434234A (en) * | 2003-03-06 | 2003-08-06 | 上海隧道工程股份有限公司 | Central screw type soil pressure balance miniature push bench |
| CN2722003Y (en) * | 2004-08-21 | 2005-08-31 | 中铁四局集团有限公司给排水工程分公司 | Mud-water balanced pipe jacking apparatus with floating cutter head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101050830A (en) | 2007-10-10 |
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