CN104329094A - Screw pipe jacking machine and construction process thereof - Google Patents
Screw pipe jacking machine and construction process thereof Download PDFInfo
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- CN104329094A CN104329094A CN201410535504.3A CN201410535504A CN104329094A CN 104329094 A CN104329094 A CN 104329094A CN 201410535504 A CN201410535504 A CN 201410535504A CN 104329094 A CN104329094 A CN 104329094A
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- Prior art keywords
- pipe
- screw
- screw rod
- headstock
- head
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 4
- 239000004568 cement Substances 0.000 claims abstract description 28
- 239000003921 oil Substances 0.000 claims description 33
- 239000007858 starting material Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 7
- 239000010734 process oil Substances 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000010773 plant oil Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- -1 start grouting pump Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/005—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by forcing prefabricated elements through the ground, e.g. by pushing lining from an access pit
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a heading machine head soil discharge equidistant screw rod. The heading machine head soil discharge equidistant screw rod comprises a barrel, a screw rod, a screw blade group which is fixedly arranged on the screw rod and a soil discharge pipe, wherein the barrel and the soil discharge pipe sleeve the external part of the screw blade group, the screw blade group comprises a plurality of screw blades which are consistent in diameter and are equidistantly arranged, one end of the screw rod is close to a power source and is installed on a main shaft of the power source, and the other end of the screw rod is connected with a connector. A plurality of screw rods can be connected, the length of the screw blade group and the soil discharge pipe is prolonged and the long-distance soil conveying is facilitated. A construction process of a screw pipe jacking machine comprises the steps of firstly making preparations before construction, then installing a guide rod, installing the soil discharge pipe, installing a heading machine head and finally jacking a cement pipe. The screw pipe jacking machine and the construction process thereof have the advantages that the problem that soil blocks the soil discharge pipe can be solved, the damages to the screw blades and the screw rod are reduced, the manufacturing cost is further reduced, the manufacturing process is simplified, the labor intensity is reduced and the market promotion is facilitated.
Description
Technical field
The present invention relates to spoil disposal pipeline construction field, relate to a kind of spiral push-bench and construction technology thereof.
Background technology
Existing underground construction mode is all generally directly excavated by whole ground digging machine, then construct to the end, ground by under people, but this form of construction work needs a large amount of manpower and materials of waste and length consuming time, occupied ground are large, very unfavorable for communications and transportation, therefore a lot of city requirement stopping is this directly excavates the mode of carrying out constructing by ground, and use instead and respectively excavate an openning in starting point and destination county, then directly to construct at the bottom of ground, and the manpower and materials that this form of construction work needs are less, and can not be very large for communications and transportation impact.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of spiral push-bench and construction technology thereof, it can solve the situation of soil plug mud pipe, reduces the infringement to helical blade and screw rod.
The technical solution adopted for the present invention to solve the technical problems is: a kind of driving head spoil disposal isometric helix bar, comprise cylindrical shell, screw rod, be fixed on the helical blade set on screw rod and mud pipe, described cylindrical shell and mud pipe are set in outside helical blade set, it is consistent that described helical blade set comprises diameter, and with several helical blades of equidistant arrangement, one end of this screw rod is near power source and be arranged on the main shaft of power source, the other end is jointing then, many screw rods can be connected, extend the length of helical blade set and mud pipe, be convenient to the long-distance sand transport of earth.
The construction technology of above-mentioned spiral push-bench comprises the steps:
The first step, prepares before work, and first according to designing requirement excavation active well, will be used for angle of rake foundation ditch equipment hangs in active well, detects foundation ditch equipment guide rail level, adjust the gradient with smart latitude instrument, level gauge; Recall front end withstand the steady borehole wall by adjusting screw mandrel before two again, then between when foundation ditch equipment rear backrest and the borehole wall, placing of concrete tamps, ensure that work progress can bear main top kick, again foundation ditch equipment and pumping plant oil pipe are connected, try main top out and move back and forth and headstock main shaft direction of rotation;
Second step: install guide peg, first probe loaded starter probe storehouse and demarcated parameter or laser guide drill bit is installed, mounting O-shaped rings in the male joint of guide rod, again by guide rod and starter male and female to connecting, locking is tightened with soket head cap screw, operate main top ram control valve, headstock clamp is fixed on a slot after oil cylinder, then mounting O-shaped rings on main shaft on headstock, guide rod is docked with main shaft male and female, after headstock, water swivel connects Grouting Pipe, operation rotary control valve, starter rotates, operation jacking ram control valve, starter starts to rotate jacking, start mud, mud is injected to pilot hole, instructed by wireless guide instrument or laser, by guide rod jacking oil cylinder stroke oil 650mm, valve returns meta, headstock clamp is extracted, handle ram control valve, headstock is motionless, oil cylinder is return, headstock is fixed at oil cylinder front end slot by clamp again, handle two control valve guide rods and rotate again jacking oil cylinder stroke 650mm, then valve returns meta, close grouting pump, handle ram control valve and headstock is fixed on slot after oil cylinder, load a new guiding and tighten locking by High-strength internal hexagon screw, as above a guide rod operation.Along with guide rod jacking one by one, instruct through wireless guide instrument or laser, control the degree of depth that starter creeps into and direction, bore what a pilot hole in setting place, starter stretches out accepting well simultaneously, and pulled down, namely guiding has been beaten;
3rd step: install mud pipe, headstock is returned to slot after oil cylinder, and clamp is fixed, top spoil disposal base is installed in headstock front end, fixed by 8 hex boltss, load mud pipe transit joint in the female joint position of guide rod, tighten locking with soket head cap screw, mud pipe is connected with transit joint by cone tooth, operating cyloinder control valve, headstock moves forward, and mud pipe is entered top spoil disposal base, moves forward with oil cylinder, mud pipe jacking pilot hole, and expose accepting well array mud tube transitions joint, pulled down, this operation completes;
4th step: install screw rod, the main shaft of headstock is installed screw rod transit joint, tighten locking by High-strength internal hexagon screw, then screw rod is docked with its transit joint, tighten locking by High-strength internal hexagon screw, operating cyloinder control valve, turned by spiral in spoil disposal drilling rod front end jacking mud pipe, a rule jacking, last screw rod is stretched from mud pipe accepting well, now screw rod installs, requires that every bar screw rod joint High-strength internal hexagon screw tightens locking;
5th step: load driving head, first connect development machine head horse and reach pressure oil pipe and drain mast and water pipe and Grouting Pipe, screw rod is docked with the pin and box sub of driving head spindle, lock with screw-driving again, top spoil disposal base is pulled down in headstock front end, install top cement base, then process oil cylinder valve, top cement base is headed into head supporting place, along with head reach, head front end butt tube docks with mud pipe, with anchor ear, mud pipe tail end and head front end butt tube are embraced, locking is tightened with four soket head cap screws, operation rotary valve, screw rod rotates, process oil cylinder valve, head reach heads in earth, driving head is cut lower earth and progressively goes out to accepting well array by screw rod, along with head jacking, this operation completes,
6th step: head into pipe of cement, pipe of cement front end seam is inserted in head tail end, behaviour's oil cylinder valve, after top spoil disposal base is headed into pipe of cement tail end seam, operating valve, rotational pressure and jacking pressure on monitoring foundation ditch equipment, control move speed, heading into Article 2 cement, pipe starts water pump, water is injected to mud pipe, heading into Article 3 pipe of cement, start grouting pump, mud is injected to handpiece case and pipe of cement shell, along with pipe of cement one rule jacking and the mud pipe accepting well, screw rod one rule is pulled down, finally tunnel head to eject accepting well, pull down driving head, transport and accept well earth, whole construction completes.
Described cylindrical shell is also provided with a conical mount and a conical pipe, and this conical mount is for being connected cylindrical shell and mud pipe.
One end that above-mentioned conical mount diameter is little is set on the outer wall of mud pipe, and the other end that conical mount diameter is larger is connected with the inwall of cylindrical shell, has a conical pipe in cylindrical shell, the large footpath of conical pipe tube port position, and the inside path, is convenient to earth and is pooled on screw rod.
Described mud pipe is fixedly linked by fixed mount and cylindrical shell.
The invention has the beneficial effects as follows: screw rod is by power source driven rotary and transmit power, helical blade set is rotated along with screw rod, earth enters from conical mount, earth blends by helical blade set, along with the rotation of helical blade set, earth is transported to the entrance of mud pipe, earth is seen off by mud pipe by the helical blade set being positioned at rear end, it can solve the situation of soil plug mud pipe, reduce the infringement to helical blade and screw rod, with reduce further manufacturing cost and simplifying manufacture craft, reduce labour intensity, be beneficial to marketing.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is present invention process flow chart.
In figure: 1-cylindrical shell, 2-screw rod, 3-helical blade set, 4-mud pipe, 5-conical pipe, 6-jointing, 7-main shaft, 9-conical mount.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
See Fig. 1, a kind of driving head spoil disposal isometric helix bar, comprise cylindrical shell 1, screw rod 2, be fixed on helical blade set 3 on screw rod 2 and mud pipe 4, described cylindrical shell 1 and mud pipe 4 are set in outside helical blade set 3, it is consistent that described helical blade set 3 comprises diameter, and with several helical blades of equidistant arrangement, one end of this screw rod 2 is near power source and be arranged on the main shaft 7 of power source, the other end is jointing 6 then, many screw rods 2 can be connected, extend the length of helical blade set 3 and mud pipe 4, be convenient to the long-distance sand transport of earth.
See Fig. 2, the construction technology of above-mentioned spiral push-bench comprises the steps:
The first step, prepares before work, and first according to designing requirement excavation active well, will be used for angle of rake foundation ditch equipment hangs in active well, detects foundation ditch equipment guide rail level, adjust the gradient with smart latitude instrument, level gauge; Recall front end withstand the steady borehole wall by adjusting screw mandrel before two again, then between when foundation ditch equipment rear backrest and the borehole wall, placing of concrete tamps, ensure that work progress can bear main top kick, again foundation ditch equipment and pumping plant oil pipe are connected, try main top out and move back and forth and headstock main shaft 7 direction of rotation;
Second step: install guide peg, first probe loaded starter probe storehouse and demarcated parameter or laser guide drill bit is installed, mounting O-shaped rings in the male joint of guide rod, again by guide rod and starter male and female to connecting, locking is tightened with soket head cap screw, operate main top ram control valve, headstock clamp is fixed on a slot after oil cylinder, then mounting O-shaped rings on main shaft 7 on headstock, guide rod is docked with main shaft 7 male and female, after headstock, water swivel connects Grouting Pipe, operation rotary control valve, starter rotates, operation jacking ram control valve, starter starts to rotate jacking, start mud, mud is injected to pilot hole, instructed by wireless guide instrument or laser, by guide rod jacking oil cylinder stroke oil 650mm, valve returns meta, headstock clamp is extracted, handle ram control valve, headstock is motionless, oil cylinder is return, headstock is fixed at oil cylinder front end slot by clamp again, handle two control valve guide rods and rotate again jacking oil cylinder stroke 650mm, then valve returns meta, close grouting pump, handle ram control valve and headstock is fixed on slot after oil cylinder, load a new guiding and tighten locking by High-strength internal hexagon screw, as above a guide rod operation.Along with guide rod jacking one by one, instruct through wireless guide instrument or laser, control the degree of depth that starter creeps into and direction, bore what a pilot hole in setting place, starter stretches out accepting well simultaneously, and pulled down, namely guiding has been beaten;
3rd step: install mud pipe 4, headstock is returned to slot after oil cylinder, and clamp is fixed, top mud pipe 4 is installed in headstock front end, fixed by 8 hex boltss, load mud pipe 4 transit joint in the female joint position of guide rod, tighten locking with soket head cap screw, mud pipe 4 is connected with transit joint by cone tooth, operating cyloinder control valve, headstock moves forward, and mud pipe 4 is entered top mud pipe 4, moves forward with oil cylinder, mud pipe 4 jacking pilot hole, and expose accepting well mud pipe 4 transit joint, pulled down, this operation completes;
4th step: install screw rod 2, the main shaft 7 of headstock is installed screw rod 2 transit joint, locking is tightened by High-strength internal hexagon screw, then screw rod 2 is docked with its transit joint, locking is tightened by High-strength internal hexagon screw, operating cyloinder control valve, by in screw rod 2 front end jacking mud pipe 4, one rule jacking, last screw rod 2 is stretched from mud pipe 4 accepting well, now screw rod 2 installs, requires that every bar screw rod 2 joint High-strength internal hexagon screw tightens locking;
5th step: load driving head, first connect development machine head horse and reach pressure oil pipe and drain mast and water pipe and Grouting Pipe, screw rod 2 is docked with the pin and box sub of driving head spindle 7, lock with screw-driving again, top mud pipe 4 is pulled down in headstock front end, install top cement base, then process oil cylinder valve, top cement base is headed into head supporting place, along with head reach, head front end butt tube docks with mud pipe 4, with anchor ear, mud pipe 4 tail end and head front end butt tube are embraced, locking is tightened with four soket head cap screws, operation rotary valve, screw rod 2 rotates, process oil cylinder valve, head reach heads in earth, driving head is cut lower earth and progressively goes out to accepting well array by screw rod 2, along with head jacking, this operation completes,
6th step: head into pipe of cement, pipe of cement front end seam is inserted in head tail end, behaviour's oil cylinder valve, after top mud pipe 4 is headed into pipe of cement tail end seam, operating valve, rotational pressure and jacking pressure on monitoring foundation ditch equipment, control move speed, heading into Article 2 cement, pipe starts water pump, water is injected to mud pipe 4, heading into Article 3 pipe of cement, start grouting pump, mud is injected to handpiece case and pipe of cement shell, along with pipe of cement one rule jacking and the mud pipe 4 accepting well, screw rod 2 one rule is pulled down, finally tunnel head to eject accepting well, pull down driving head, transport and accept well earth, whole construction completes.
Described cylindrical shell 1 is also provided with a conical mount 9 and a conical pipe 5, and this conical mount 9 is for being connected cylindrical shell 1 and mud pipe 4.
One end that above-mentioned conical mount 9 diameter is little is set on the outer wall of mud pipe 4, and the other end that conical mount 9 diameter is larger is connected with the inwall of cylindrical shell 1, has a conical pipe 5 in cylindrical shell 1, the large footpath of conical pipe 5 tube port position, and the inside path is convenient to earth and is pooled on screw rod 2.
Described mud pipe 4 is fixedly linked by fixed mount and cylindrical shell 1.
Real work, reduces manufacturing cost and simplifies manufacture craft, reducing labour intensity, being beneficial to marketing.
Claims (4)
1. a driving head spoil disposal isometric helix bar, comprise cylindrical shell, screw rod, be fixed on helical blade set on screw rod and mud pipe, it is characterized in that: described cylindrical shell and mud pipe are set in outside helical blade set, it is consistent that described helical blade set comprises diameter, and with several helical blades of equidistant arrangement, one end of this screw rod is near power source and be arranged on the main shaft of power source, the other end is jointing then, many screw rods can be connected, extend the length of helical blade set and mud pipe, be convenient to the long-distance sand transport of earth;
Above-mentioned spiral push-bench it is characterized in that construction technology comprises the steps:
The first step, prepares before work, and first according to designing requirement excavation active well, will be used for angle of rake foundation ditch equipment hangs in active well, detects foundation ditch equipment guide rail level, adjust the gradient with smart latitude instrument, level gauge; Recall front end withstand the steady borehole wall by adjusting screw mandrel before two again, then between when foundation ditch equipment rear backrest and the borehole wall, placing of concrete tamps, ensure that work progress can bear main top kick, again foundation ditch equipment and pumping plant oil pipe are connected, try main top out and move back and forth and headstock main shaft direction of rotation;
Second step: install guide peg, first probe loaded starter probe storehouse and demarcated parameter or laser guide drill bit is installed, mounting O-shaped rings in the male joint of guide rod, again by guide rod and starter male and female to connecting, locking is tightened with soket head cap screw, operate main top ram control valve, headstock clamp is fixed on a slot after oil cylinder, then mounting O-shaped rings on main shaft on headstock, guide rod is docked with main shaft male and female, after headstock, water swivel connects Grouting Pipe, operation rotary control valve, starter rotates, operation jacking ram control valve, starter starts to rotate jacking, start mud, mud is injected to pilot hole, instructed by wireless guide instrument or laser, by guide rod jacking oil cylinder stroke oil 650mm, valve returns meta, headstock clamp is extracted, handle ram control valve, headstock is motionless, oil cylinder is return, headstock is fixed at oil cylinder front end slot by clamp again, handle two control valve guide rods and rotate again jacking oil cylinder stroke 650mm, then valve returns meta, close grouting pump, handle ram control valve and headstock is fixed on slot after oil cylinder, load a new guiding and tighten locking by High-strength internal hexagon screw, as above a guide rod operation,
along with guide rod jacking one by one, instruct through wireless guide instrument or laser, control the degree of depth that starter creeps into and direction, bore what a pilot hole in setting place, starter stretches out accepting well simultaneously, and pulled down, namely guiding has been beaten;
3rd step: install mud pipe, headstock is returned to slot after oil cylinder, and clamp is fixed, top spoil disposal base is installed in headstock front end, fixed by 8 hex boltss, load mud pipe transit joint in the female joint position of guide rod, tighten locking with soket head cap screw, mud pipe is connected with transit joint by cone tooth, operating cyloinder control valve, headstock moves forward, and mud pipe is entered top spoil disposal base, moves forward with oil cylinder, mud pipe jacking pilot hole, and expose accepting well array mud tube transitions joint, pulled down, this operation completes;
4th step: install screw rod, the main shaft of headstock is installed screw rod transit joint, tighten locking by High-strength internal hexagon screw, then screw rod is docked with its transit joint, tighten locking by High-strength internal hexagon screw, operating cyloinder control valve, turned by spiral in spoil disposal drilling rod front end jacking mud pipe, a rule jacking, last screw rod is stretched from mud pipe accepting well, now screw rod installs, requires that every bar screw rod joint High-strength internal hexagon screw tightens locking;
5th step: load driving head, first connect development machine head horse and reach pressure oil pipe and drain mast and water pipe and Grouting Pipe, screw rod is docked with the pin and box sub of driving head spindle, lock with screw-driving again, top spoil disposal base is pulled down in headstock front end, install top cement base, then process oil cylinder valve, top cement base is headed into head supporting place, along with head reach, head front end butt tube docks with mud pipe, with anchor ear, mud pipe tail end and head front end butt tube are embraced, locking is tightened with four soket head cap screws, operation rotary valve, screw rod rotates, process oil cylinder valve, head reach heads in earth, driving head is cut lower earth and progressively goes out to accepting well array by screw rod, along with head jacking, this operation completes,
6th step: head into pipe of cement, pipe of cement front end seam is inserted in head tail end, behaviour's oil cylinder valve, after top spoil disposal base is headed into pipe of cement tail end seam, operating valve, rotational pressure and jacking pressure on monitoring foundation ditch equipment, control move speed, heading into Article 2 cement, pipe starts water pump, water is injected to mud pipe, heading into Article 3 pipe of cement, start grouting pump, mud is injected to handpiece case and pipe of cement shell, along with pipe of cement one rule jacking and the mud pipe accepting well, screw rod one rule is pulled down, finally tunnel head to eject accepting well, pull down driving head, transport and accept well earth, whole construction completes.
2. spiral push-bench as claimed in claim 1, is characterized in that: on described cylindrical shell, be also provided with a conical mount and a conical pipe, this conical mount is for being connected cylindrical shell and mud pipe.
3. spiral push-bench as claimed in claim 1, it is characterized in that: one end that above-mentioned conical mount diameter is little is set on the outer wall of mud pipe, the other end that conical mount diameter is larger is connected with the inwall of cylindrical shell, a conical pipe is had in cylindrical shell, the large footpath of conical pipe tube port position, the inside path, is convenient to earth and is pooled on screw rod.
4. spiral push-bench as claimed in claim 1, is characterized in that: described mud pipe is fixedly linked by fixed mount and cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535504.3A CN104329094B (en) | 2014-10-13 | 2014-10-13 | A kind of construction technology of spiral push-bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535504.3A CN104329094B (en) | 2014-10-13 | 2014-10-13 | A kind of construction technology of spiral push-bench |
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| Publication Number | Publication Date |
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| CN104329094A true CN104329094A (en) | 2015-02-04 |
| CN104329094B CN104329094B (en) | 2016-09-21 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863630A (en) * | 2015-06-03 | 2015-08-26 | 南京湛泸科技有限公司 | Heading machine used for emergency rescue channel of well mine roadway roof |
| CN105888536A (en) * | 2016-06-05 | 2016-08-24 | 江苏宏博机械制造有限公司 | Novel drilling device |
| CN106402491A (en) * | 2016-10-25 | 2017-02-15 | 韶关市铁友建设机械有限公司 | Double-output cutting machine head with planetary mechanism |
| CN107664038A (en) * | 2017-10-18 | 2018-02-06 | 安徽路鼎科技股份有限公司 | Bore top machine and thirdly step push bench process |
| CN108119157A (en) * | 2018-02-05 | 2018-06-05 | 韶关市铁友建设机械有限公司 | A kind of intelligent steering declines type mud water balance push bench and its pipeline construction technique |
| CN108487915A (en) * | 2018-05-24 | 2018-09-04 | 江苏地龙重型机械有限公司 | A kind of push-bench with rotary cutting head |
| CN113550758A (en) * | 2021-08-03 | 2021-10-26 | 广州市市政集团有限公司 | Guide type miniature pipe jacking construction method |
| CN113605916A (en) * | 2021-09-09 | 2021-11-05 | 北京市市政二建设工程有限责任公司 | Tool pipe for sludge geological formation pipe jacking construction |
| CN114811181A (en) * | 2022-03-09 | 2022-07-29 | 安徽鸿德玻璃钢环保设备有限公司 | Miniature push pipe of glass steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107664038A (en) * | 2017-10-18 | 2018-02-06 | 安徽路鼎科技股份有限公司 | Bore top machine and thirdly step push bench process |
| CN108119157A (en) * | 2018-02-05 | 2018-06-05 | 韶关市铁友建设机械有限公司 | A kind of intelligent steering declines type mud water balance push bench and its pipeline construction technique |
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| CN113550758A (en) * | 2021-08-03 | 2021-10-26 | 广州市市政集团有限公司 | Guide type miniature pipe jacking construction method |
| CN113605916A (en) * | 2021-09-09 | 2021-11-05 | 北京市市政二建设工程有限责任公司 | Tool pipe for sludge geological formation pipe jacking construction |
| CN113605916B (en) * | 2021-09-09 | 2024-02-02 | 北京市市政二建设工程有限责任公司 | Tool pipe for mud geological stratum pipe jacking construction |
| CN114811181A (en) * | 2022-03-09 | 2022-07-29 | 安徽鸿德玻璃钢环保设备有限公司 | Miniature push pipe of glass steel |
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|---|---|
| CN104329094B (en) | 2016-09-21 |
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