CN105201522A - Earth pressure balance push bench - Google Patents
Earth pressure balance push bench Download PDFInfo
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- CN105201522A CN105201522A CN201510670097.1A CN201510670097A CN105201522A CN 105201522 A CN105201522 A CN 105201522A CN 201510670097 A CN201510670097 A CN 201510670097A CN 105201522 A CN105201522 A CN 105201522A
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- force transmission
- gate
- transmission ring
- balance pipe
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Abstract
The invention discloses an earth pressure balance push bench, which comprises a cutting disk, a disk driving mechanism, a housing and a spiral conveyer, wherein the back surface of the cutting disk is provided with an earth cabin; the disk driving mechanism comprises a central cylinder, a force transfer ring and a power source for driving the force transfer ring to rotate; the force transfer ring is connected to the back surface of the cutting disk; the central cylinder is communicated to the earth cabin; the housing is cylindrical; the front end of the housing is connected to a driving box; and the spiral conveyer extends into the housing from the rear end of the housing and is communicated in the central cylinder. The earth pressure balance push bench dislcosed by the invention is compact in structure, reliable in performance, convenient to operate, and high in automation degree, can make full use of available space of a pipe under the harsh conditions of construction space, and is greatly compressed in whole size of a main engine on the premise of keeping original functions.
Description
Technical field
The invention belongs to the realm of building construction, relate to a kind of soil pressing balance pipe jacking machine.
Background technology
Along with the development of urban construction, the population density significantly increases, and the vehicles get more and more, and urban traffic congestion limits urban development, and pipe curtain hidden construction process becomes the research emphasis that Underground Space Excavation becomes.Pipe-roofing method is the one of non-open cut technique, utilizes small-bore push-bench jacking mechanism in space to be excavated, to insert steel pipe in the horizontal direction thus shape pipe curtain in digging process.
At present, pipe-roof method construction is also widely used at home, but often equipment is simpler, precision and the efficiency of construction are guaranteed in the main experience by construction and artificial operation, especially the usual steel pipe joint of pipe curtain jacking is longer, and active well space is limited, make pipe-roof method construction equipment day by day harsh to the requirement of size.
Summary of the invention
The invention provides a kind of soil pressing balance pipe jacking machine, this soil pressing balance pipe jacking machine can solve push-bench of the prior art in use Problems existing.
Technical scheme of the present invention provides a kind of soil pressing balance pipe jacking machine, and it comprises:
Cutting tool, the back side of described Cutting tool is provided with Tu Cang;
Cutter plate driver mechanism, described cutter plate driver mechanism comprises central cylinder, force transmission ring and the power source for driving described force transmission ring to rotate; Described force transmission ring is connected to the back side of described Cutting tool, and described central cylinder is communicated in described Tu Cang;
Housing, described housing is tubular, and the front end of described housing is connected to described drive case;
Conveying worm, described conveying worm stretches into described enclosure interior by the rear end of described housing, and is communicated in described central cylinder.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: the front of described Cutting tool is provided with center cutter, bite and dual-pilot cutter.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: described cutter plate driver mechanism also comprises columniform casing and crossed roller bearing; Described central cylinder is arranged at the inside of described casing, and described force transmission ring and crossed roller bearing are surrounded on described central cylinder; One end of described force transmission ring is stretched out from the front end of described casing and is fixedly connected on the back side of described cutting, and the other end of described force transmission ring is connected to the inner ring of described crossed roller bearing; The outer ring of described crossed roller bearing is fixedly connected on the inwall of described casing.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: described power source is fixedly installed in the end plate of the rear end of described casing; Described power source comprises motor, reducer and pinion; Described motor drives described pinion rotation by described reducer, and the inner ring of described crossed roller bearing is internal gear, and the pinion internal messing of described power source is in the inner ring of described crossed roller bearing.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: be provided with lip-type packing between described force transmission ring and described casing.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: described housing comprises procapsid and back casing, and the front end of described procapsid is connected to described cutter plate driver mechanism, and the rear end of described procapsid is socketed on the front end of described back casing; Described enclosure interior is provided with multiple hinged oil cylinder, and one end of described hinged oil cylinder is articulated with the inwall of described procapsid, and its other end is articulated with the inwall of described back casing; Sealing ring is provided with between described procapsid and described back casing.In the tunneling process of soil pressing balance pipe jacking machine of the present invention, by controlling the flexible angle that can adjust axis between procapsid and back casing of hinged oil cylinder, thus change attitude and the tunneling direction of soil pressing balance pipe jacking machine.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: the arranged outside of described back casing has multiple buckle to protect projection; Described buckle protection projection is wedge shape, and described buckle protects the front end of tip towards described back casing of projection.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: described conveying worm comprises conveying cylindrical shell, screw rod, gate and the screw drives mechanism for drive screw turns; One end of described conveying cylindrical shell is communicated in described central cylinder, and its other end is communicated in described screw drives mechanism, and described screw drives mechanism is connected to described gate; Described screw rod is arranged at the inside of described conveying cylindrical shell and described screw drives mechanism, and the side of described screw rod is provided with helical blade.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: described screw drives mechanism comprises screw drives casing, force transmission ring, gear wheel and power source; Described force transmission ring is installed on described screw drives box house by bearing, and the described gear wheel of annular is fixedly connected on described force transmission ring, and the inner side of described force transmission ring is connected to the outer side edges edge of the helical blade of described screw rod; Described power source comprises motor, reducer and pinion, and described motor drives described pinion rotation by described reducer, and described pinion external toothing is in described gear wheel.
The further improvement of soil pressing balance pipe jacking machine of the present invention is: described gate is connected to described screw drives mechanism by a bend pipe; Described gate comprises door-plate, gate oil cylinder and two gate deckle boards; Two gate deckle boards are parallel to each other, be installed on the opening part of described bend pipe, two gate deckle boards all offer slurry outlet, and described door-plate is inserted between two gate deckle boards, and described gate oil cylinder moves back and forth between two described gate deckle boards for driving described door-plate.
Soil pressing balance pipe jacking machine of the present invention has compact conformation, dependable performance, simple operation, advantage that automaticity is high.Under construction space exacting terms, the free space of push pipe can be made full use of, under the prerequisite not reducing any function, greatly reduce the overall dimensions of main frame.
Accompanying drawing explanation
Figure 1 shows that the three-dimensional view of soil pressing balance pipe jacking machine of the present invention;
Figure 2 shows that the sectional view of soil pressing balance pipe jacking machine of the present invention;
Fig. 3 is the sectional view of the cutter plate driver mechanism in the present invention;
Fig. 4 is the partial enlarged drawing at the pinion place in Fig. 3 medium power source;
Fig. 5 is the sectional view of the housing in the present invention;
Fig. 6 is a kind of cross sectional view of steel pipe joint of pipe curtain of the prior art;
Fig. 7 is the sectional view of the conveying worm in the present invention;
Fig. 8 is the partial enlarged drawing of Fig. 7 medium power source and screw drives casing junction;
Fig. 9 is the front view of the gate in the present invention;
Figure 10 is the cross sectional view of the gate in the present invention.
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this manual can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by detailed description of the invention different in addition, and the every details in this manual also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.
Soil pressing balance pipe jacking machine of the present invention is introduced below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, soil pressing balance pipe jacking machine of the present invention comprises Cutting tool 10, cutter plate driver mechanism 20, housing 30 and conveying worm 40.The back side of Cutting tool 10 is provided with native storehouse 12.Cutter plate driver mechanism 20 comprises central cylinder 21, force transmission ring 24 and the power source 22 for driving force transmission ring 24 to rotate.Force transmission ring 24 is connected to the back side of Cutting tool 10, and central cylinder 21 is communicated in Tu Cang.Housing 30 is tubular, and the front end of housing 30 is connected to cutter plate driver mechanism 20.It is inner that conveying worm 40 stretches into housing 30 by the rear end of housing 30, and be communicated in central cylinder 21.During use, soil pressing balance pipe jacking machine of the present invention is arranged at the end of steel pipe joint, for tunneling in soil layer inside.Cutting tool 10 is rotary cutting soil layer under the driving of cutter plate driver mechanism 20, earth enters native storehouse 12 through Cutting tool 10, earth enters central cylinder 21 from native storehouse 12 subsequently, is communicated in the conveying worm 40 of central cylinder 21 for earth to be transported to the afterbody of soil pressing balance pipe jacking machine from central cylinder 21.
As shown in Figure 1, Cutting tool 10 is circular.The front of Cutting tool 10 is provided with center cutter 13, bite 14 and dual-pilot cutter 15.Center cutter 13, bite 14 and dual-pilot cutter 15 are for shredding the soil layer in soil pressing balance pipe jacking machine front in the process of rotating at Cutting tool 10.Soil storehouse 12 is arranged at the back side of Cutting tool 10, and native storehouse 12 and Cutting tool 10 are the integrated design.
As shown in Figures 2 and 3, cutter plate driver mechanism 20 specifically comprises: casing 28, crossed roller bearing 23, central cylinder 21, force transmission ring 24 and power source 22.Casing 28 is cylindrical, and central cylinder 21 is arranged at the inside of casing 28.Force transmission ring 24 and crossed roller bearing 23 are arranged at the inside of described casing and are surrounded on the outside of central cylinder 21.The force transmission ring 24 of tubular and columniform casing 28 dead in line.One end of force transmission ring 24 is stretched out from the front end of casing 28 and is bolted to connection the back side in Cutting tool 10, and the other end of force transmission ring 24 is bolted the inner ring in crossed roller bearing 23.The outer ring of crossed roller bearing 23 is bolted to connection the inner surface of the rear end end plate in casing 28.Be provided with lip-type packing 25 between force transmission ring 24 and casing 28, lip-type packing 25 is arranged at inner side and the outside of force transmission ring 24.Lip-type packing 25 can prevent mud from infiltrating casing 28 inside from the space between force transmission ring 24 and casing 28.
As shown in Figure 3 and Figure 4, power source 22 is fixedly installed in the external surface of the rear end end plate of casing 28, the present embodiment comprises 3 groups of power sources 22, is arranged at both sides and the bottom of central cylinder extension 29 respectively, and the power source 22 of both sides, central cylinder extension 29 does not draw in figure 3.Power source 22 rotates for driving force transmission ring 24 and Cutting tool 10.Each power source 22 includes a motor 221, one speed reducer 222, two bearing 223, bearing supports 224 and a pinion 225.Reducer 222 and motor 221 are fixedly installed in the rear end end plate of casing 28 by bearing support 224.As shown in Figure 4, the gear shaft of pinion 225 is fixedly installed in the inside of casing 28 by two bearings 223, motor 221 is rotated by reducer 222 driving pinion 225.The inner ring of crossed roller bearing 23 is internal gear, and pinion 225 internal messing of power source 22 is in the inner ring of crossed roller bearing 23.At the inwall of central cylinder extension 29, soil pressure case 26 is installed.
Shown in Fig. 1 and Fig. 5, housing 30 is tubular, and it comprises procapsid 31 and back casing 32.The front end of fore shell 31 body is connected to the rear end of cutter plate driver mechanism 20, and the rear end of procapsid 31 is socketed on the front end of back casing 32.Housing 30 inside is provided with multiple hinged oil cylinder 33, and one end of hinged oil cylinder 33 is articulated with the inwall of procapsid 31, and its other end is articulated with the inwall of back casing 32.In the present embodiment the number of hinged oil cylinder 33 be four, four hinged oil cylinders 33 around the inwall being distributed in housing 30,45 °, interval between adjacent two hinged oil cylinders 33.Each hinged oil cylinder 30 comprises a cylinder block and an oil cylinder piston cylinder, and the afterbody of cylinder block is articulated with the hinged oil cylinder seat 331 of procapsid 31 inwall, and the head of oil cylinder piston cylinder is articulated with the hinged oil cylinder seat 332 of back casing 32 inwall.In the tunneling process of soil pressing balance pipe jacking machine of the present invention, by controlling the flexible angle that can adjust axis between procapsid 31 and back casing 32 of hinged oil cylinder 33, thus change attitude and the tunneling direction of soil pressing balance pipe jacking machine.
As shown in Figure 5, sealing ring 321 is provided with between procapsid 31 and back casing 32.Sealing ring 321 infiltrates housing 30 inside for preventing the mud of housing 30 outside from the seam between procapsid 31 and back casing 32.In use, need the steel pipe joint of jacking to be socketed on the rear end of back casing 32, be provided with a circle sealing ring 323 in the rear end of back casing, sealing ring 323 infiltrates housing 30 inside for preventing mud from the seam between back casing 32 and steel pipe joint.
As shown in Figure 1 and Figure 5, the arranged outside of back casing 32 has multiple buckle to protect projection 322; Buckle protection projection 322 is wedge shape, and buckle protects the front end of tip towards back casing 32 of projection 322.The bottom of buckle protection projection 322 is bolted to connection the inwall in back casing 32, and the side of back casing 32 is provided with opening, and buckle protection projection 322 stretches out from the opening of back casing 32 side.The number of the projection 322 of buckle protection is in the present embodiment two or four, and four buckle protection projections 322 are arranged at the both sides of back casing 32.
As shown in Figure 5 and Figure 6, need the arranged outside of the steel pipe joint 50 of jacking to have outstanding buckle 51, in jack-in process, steel pipe joint 50 is socketed on the afterbody of back casing 32, and buckle protection projection 322 keeps off in the front end of buckle 51.Like this, steel pipe joint 50 can be avoided the hard foreign matter in the buckle 51 given prominence to and soil layer to collide causing buckle 51 to be out of shape in the process of underground jacking.In addition, buckle protection projection 322 is wedge shape, has less resistance in jack-in process, can effectively reduce the jacking resistance being positioned at buckle and protecting the buckle 51 at projection 322 rear to bring.
As shown in Figure 1 and Figure 7, conveying worm 40 comprises conveying cylindrical shell 42, screw rod 44, gate 45 and the screw drives mechanism 41 for drive screw 44 rotation.One end of conveying cylindrical shell 42 is communicated in central cylinder 21 by central cylinder extension 29, and its other end is communicated in screw drives mechanism 41.Screw drives mechanism 41 is connected to gate 45.Screw rod 44 is arranged at the inside of conveying cylindrical shell 42 and screw drives mechanism 41, and the side of screw rod is provided with helical blade 441.Screw rod 44 and conveying cylindrical shell 42 are coaxially arranged, and when screw rod 44 rotates, the axis of the earth of central cylinder 21 inside edge conveying cylindrical shell 42 is delivered to the afterbody of conveying worm 40 by the helical blade 441 of screw rod 44 side.
As shown in Figure 7 and Figure 8, screw drives mechanism 41 comprises screw drives casing 415, force transmission ring 412, gear wheel 411 and power source 43.The outside of force transmission ring 412 is arranged with the gear wheel 411 of two bearings 413 and a ring-type.Force transmission ring 412 is installed on the inside of screw drives casing 415 by above-mentioned two bearings 413.The gear wheel 411 of annular is fixedly connected on the external surface of force transmission ring 412, and the inner side of force transmission ring 412 is connected to the outer side edges edge of the helical blade 441 of screw rod 44 by the mode of welding.Power source 43 comprises motor 431, reducer 432 and pinion 434.Motor 431 is rotated by reducer 432 driving pinion 434.Motor 431 and reducer 432 are fixedly installed in the end face of screw drives casing 415, and pinion 434 is installed on the inside of screw drives casing 415 by two bearings 433.Pinion 434 external toothing is in gear wheel 411.U-shaped oil sealing 414 is provided with between the two ends of force transmission ring 412 and screw drives casing.
As Fig. 7, shown in Fig. 9 and Figure 10, gate 45 is connected to the screw drives casing 415 of screw drives mechanism 41 by a bend pipe 456.Gate 45 comprises door-plate 452, gate oil cylinder 451 and two gate deckle boards 453.Two gate deckle boards 453 are parallel to each other, are installed on the opening part of bend pipe 456.Two gate deckle boards 453 all offer slurry outlet 457, and the slurry outlet 457 of two gate deckle boards 453 overlaps.Door-plate 452 is inserted between two gate deckle boards 453.Gate oil cylinder 451 is installed on the both sides of door-plate 452, moves back and forth between two gate deckle boards 453 for driving door-plate 452.When conveying worm 40 needs to discharge the earth of its inside by gate 45, door-plate 452 is extracted out by gate oil cylinder 451 from two gate deckle boards 453, and earth is discharged from the slurry outlet of gate deckle board 453.When mud emission completes late gate oil cylinder 451, door-plate 452 is inserted in the space between two gate deckle boards 453, make door-plate 452 block the slurry outlet 457 of gate deckle board 453.
Soil pressing balance pipe jacking machine of the present invention has compact conformation, dependable performance, simple operation, advantage that automaticity is high.Under construction space exacting terms, the free space of push pipe can be made full use of, under the prerequisite not reducing any function, greatly reduce the overall dimensions of main frame.
The above is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, not departing from the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. a soil pressing balance pipe jacking machine, is characterized in that comprising:
Cutting tool, the back side of described Cutting tool is provided with Tu Cang;
Cutter plate driver mechanism, described cutter plate driver mechanism comprises central cylinder, force transmission ring and the power source for driving described force transmission ring to rotate; Described force transmission ring is connected to the back side of described Cutting tool, and described central cylinder is communicated in described Tu Cang;
Housing, described housing is tubular, and the front end of described housing is connected to described drive case;
Conveying worm, described conveying worm stretches into described enclosure interior by the rear end of described housing, and is communicated in described central cylinder.
2. soil pressing balance pipe jacking machine as claimed in claim 1, is characterized in that: the front of described Cutting tool is provided with center cutter, bite and dual-pilot cutter.
3. soil pressing balance pipe jacking machine as claimed in claim 1, is characterized in that: described cutter plate driver mechanism also comprises columniform casing and crossed roller bearing; Described central cylinder is arranged at the inside of described casing, and described force transmission ring and crossed roller bearing are surrounded on described central cylinder; One end of described force transmission ring is stretched out from the front end of described casing and is fixedly connected on the back side of described cutting, and the other end of described force transmission ring is connected to the inner ring of described crossed roller bearing; The outer ring of described crossed roller bearing is fixedly connected on the inwall of described casing.
4. soil pressing balance pipe jacking machine as claimed in claim 3, is characterized in that: described power source is fixedly installed in the end plate of the rear end of described casing; Described power source comprises motor, reducer and pinion; Described motor drives described pinion rotation by described reducer, and the inner ring of described crossed roller bearing is internal gear, and the pinion internal messing of described power source is in the inner ring of described crossed roller bearing.
5. soil pressing balance pipe jacking machine as claimed in claim 3, is characterized in that: be provided with lip-type packing between described force transmission ring and described casing.
6. soil pressing balance pipe jacking machine as claimed in claim 1, it is characterized in that: described housing comprises procapsid and back casing, the front end of described procapsid is connected to described cutter plate driver mechanism, and the rear end of described procapsid is socketed on the front end of described back casing; Described enclosure interior is provided with multiple hinged oil cylinder, and one end of described hinged oil cylinder is articulated with the inwall of described procapsid, and its other end is articulated with the inwall of described back casing; Sealing ring is provided with between described procapsid and described back casing.
7. soil pressing balance pipe jacking machine as claimed in claim 6, is characterized in that: the arranged outside of described back casing has multiple buckle to protect projection; Described buckle protection projection is wedge shape, and described buckle protects the front end of tip towards described back casing of projection.
8. soil pressing balance pipe jacking machine as claimed in claim 1, is characterized in that: described conveying worm comprises conveying cylindrical shell, screw rod, gate and the screw drives mechanism for drive screw turns; One end of described conveying cylindrical shell is communicated in described central cylinder, and its other end is communicated in described screw drives mechanism, and described screw drives mechanism is connected to described gate; Described screw rod is arranged at the inside of described conveying cylindrical shell and described screw drives mechanism, and the side of described screw rod is provided with helical blade.
9. soil pressing balance pipe jacking machine as claimed in claim 8, is characterized in that: described screw drives mechanism comprises screw drives casing, force transmission ring, gear wheel and power source; Described force transmission ring is installed on described screw drives box house by bearing, and the described gear wheel of annular is fixedly connected on described force transmission ring, and the inner side of described force transmission ring is connected to the outer side edges edge of the helical blade of described screw rod; Described power source comprises motor, reducer and pinion, and described motor drives described pinion rotation by described reducer, and described pinion external toothing is in described gear wheel.
10. soil pressing balance pipe jacking machine as claimed in claim 8, is characterized in that: described gate is connected to described screw drives mechanism by a bend pipe; Described gate comprises door-plate, gate oil cylinder and two gate deckle boards; Two gate deckle boards are parallel to each other, be installed on the opening part of described bend pipe, two gate deckle boards all offer slurry outlet, and described door-plate is inserted between two gate deckle boards, and described gate oil cylinder moves back and forth between two described gate deckle boards for driving described door-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670097.1A CN105201522B (en) | 2015-10-13 | 2015-10-13 | Soil pressing balance pipe jacking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670097.1A CN105201522B (en) | 2015-10-13 | 2015-10-13 | Soil pressing balance pipe jacking machine |
Publications (2)
| Publication Number | Publication Date |
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| CN105201522A true CN105201522A (en) | 2015-12-30 |
| CN105201522B CN105201522B (en) | 2017-12-12 |
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| CN201510670097.1A Active CN105201522B (en) | 2015-10-13 | 2015-10-13 | Soil pressing balance pipe jacking machine |
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| CN105697022A (en) * | 2016-01-22 | 2016-06-22 | 青岛静力工程股份有限公司 | Underground engineering squeezing-in device |
| CN106468173A (en) * | 2015-08-14 | 2017-03-01 | 赵明 | A kind of manhole blind flange of spiral excavation of earthwork machine |
| CN106704704A (en) * | 2017-01-13 | 2017-05-24 | 徐州徐工基础工程机械有限公司 | Out-machine bypass structure for slurry balance pipe jacking machine |
| CN106761801A (en) * | 2017-01-10 | 2017-05-31 | 佛山市康思达液压机械有限公司 | A kind of hard rock push-bench |
| CN107386407A (en) * | 2017-09-05 | 2017-11-24 | 天津恒信有源机械设备有限公司 | Cobble push-bench feeds conveying structure |
| CN107401406A (en) * | 2017-09-05 | 2017-11-28 | 天津恒信有源机械设备有限公司 | A kind of new push-bench applied to cobble structure |
| CN108180021A (en) * | 2018-03-05 | 2018-06-19 | 安徽路鼎科技股份有限公司 | The anti-rotational wing plate of push-bench |
| CN108625872A (en) * | 2018-07-17 | 2018-10-09 | 中国铁建重工集团有限公司 | A kind of push-bench |
| CN110195596A (en) * | 2019-06-03 | 2019-09-03 | 石家庄铁道大学 | A kind of model test earth pressure balanced push-bench analogy method and constructional device |
| CN112253222A (en) * | 2020-08-26 | 2021-01-22 | 煤科集团沈阳研究院有限公司 | Pipe jacking tunneling equipment for roadway rescue |
| CN112459799A (en) * | 2020-11-23 | 2021-03-09 | 张同勇 | Construction method of underground water supply pipeline |
| CN113279765A (en) * | 2021-05-08 | 2021-08-20 | 王海军 | Tunnel construction grinding device with high durability |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106468173A (en) * | 2015-08-14 | 2017-03-01 | 赵明 | A kind of manhole blind flange of spiral excavation of earthwork machine |
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| CN106761801B (en) * | 2017-01-10 | 2018-08-03 | 佛山市康思达液压机械有限公司 | A kind of hard rock push-bench |
| CN106704704A (en) * | 2017-01-13 | 2017-05-24 | 徐州徐工基础工程机械有限公司 | Out-machine bypass structure for slurry balance pipe jacking machine |
| CN107401406A (en) * | 2017-09-05 | 2017-11-28 | 天津恒信有源机械设备有限公司 | A kind of new push-bench applied to cobble structure |
| CN107386407A (en) * | 2017-09-05 | 2017-11-24 | 天津恒信有源机械设备有限公司 | Cobble push-bench feeds conveying structure |
| CN108180021A (en) * | 2018-03-05 | 2018-06-19 | 安徽路鼎科技股份有限公司 | The anti-rotational wing plate of push-bench |
| CN108625872A (en) * | 2018-07-17 | 2018-10-09 | 中国铁建重工集团有限公司 | A kind of push-bench |
| CN110195596A (en) * | 2019-06-03 | 2019-09-03 | 石家庄铁道大学 | A kind of model test earth pressure balanced push-bench analogy method and constructional device |
| CN112253222A (en) * | 2020-08-26 | 2021-01-22 | 煤科集团沈阳研究院有限公司 | Pipe jacking tunneling equipment for roadway rescue |
| CN112253222B (en) * | 2020-08-26 | 2022-05-10 | 中煤科工集团沈阳研究院有限公司 | Pipe jacking tunneling equipment for roadway rescue |
| CN112459799A (en) * | 2020-11-23 | 2021-03-09 | 张同勇 | Construction method of underground water supply pipeline |
| CN113279765A (en) * | 2021-05-08 | 2021-08-20 | 王海军 | Tunnel construction grinding device with high durability |
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Effective date of registration: 20211110 Address after: 200232 5th floor, No. 1099, Wanping South Road, Xuhui District, Shanghai Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Patentee after: Shanghai Waigaoqiao tunnel machinery Co.,Ltd. Address before: 200232 5th floor, No. 1099, Wanping South Road, Xuhui District, Shanghai Patentee before: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. |
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Address after: No. 1099, No. 5, Wan Ping Nan Road, Xuhui District, Shanghai Patentee after: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Patentee after: Shanghai urban construction tunnel equipment Co., Ltd Address before: No. 1099, No. 5, Wan Ping Nan Road, Xuhui District, Shanghai Patentee before: SHANGHAI TUNNEL ENGINEERING Co.,Ltd. Patentee before: Shanghai Waigaoqiao tunnel machinery Co., Ltd |