CN109736350A - Pipe frame, which is set, on a kind of foundation pit leads fortune system and its construction method - Google Patents
Pipe frame, which is set, on a kind of foundation pit leads fortune system and its construction method Download PDFInfo
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- CN109736350A CN109736350A CN201910133044.4A CN201910133044A CN109736350A CN 109736350 A CN109736350 A CN 109736350A CN 201910133044 A CN201910133044 A CN 201910133044A CN 109736350 A CN109736350 A CN 109736350A
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Abstract
Pipe frame, which is set, on a kind of foundation pit leads fortune system and its construction method, it wherein leads fortune system and slides tool included in the symmetrically arranged fortune of leading of two lateral edge Pipe frame set direction of Foundation Pit side, lead the closing rope that two pre-buried pulleys and solderless wrapped connection two between the sliding tool of fortune on the extension direction of line both ends lead fortune sliding tool and two pre-buried pulleys；It leads the sliding tool of fortune and includes the branch pulley blocks at the top of support frame and support frame, two outsides in the vertical line layout direction of pre-buried pulley are provided with auxiliary locator.By leading the sliding setting having of fortune when the present invention constructs, realize pipeline fast leads fortune, the setting of branch pulley plays the role of fulcrum or sliding of the rope in circulation transport, and the effect of support frame, on the one hand it ensure that and lead desired height when transporting pipeline, on the other hand provide support force needed for leading fortune pipeline；The effect of pre-buried pulley had not only guaranteed the solderless wrapped connection of rope, but also the power of rope circulation can be provided when pipeline leads fortune；Auxiliary locator can lock rope, fixation when not recycling to rope.
Description
Technical field
The invention belongs to piping lane pipe engineering field, in particular on a kind of foundation pit, Pipe frame, which is set, leads fortune system and its construction
Method.
Background technique
Underground pipe gallery is to build a tunnel space in underground, and by electric power, communication, combustion gas, heat supply, plumbing etc. are each
Kind utilities pipeline is integrated in one, and is equipped with special access hole, hoisting port and monitoring system, implements unified planning, Uniting, system
One construction and management are the important infrastructure and " lifeline " for ensureing city operations.In underground pipe gallery construction
The laying that foundation pit carries out pipeline need to be dug, thus needs to carry out pipeline to lead transporting to survey to set an erection installation in foundation pit, but
The pipeline construction of fortune of leading in to(for) pipeline needs to expend a large amount of manpower, according to lifting machine again by the limit in place and cost
System, the transport of completion pipeline that cannot be time saving and energy saving, it is therefore desirable to provide a kind of pipeline at foundation pit lead the simple system of fortune with
And construction method.
Summary of the invention
The present invention proposes on a kind of foundation pit that Pipe frame is set and leads fortune system and its construction method, base when solving piping lane construction
Pipeline fast leads the problem of fortune on hole, and specific technical solution is as follows:
Pipe frame, which is set, on a kind of foundation pit leads fortune system, leads fortune included in two lateral edge Pipe frame set direction of Foundation Pit side is symmetrically arranged
Sliding tool leads two pre-buried pulleys between the sliding tool of fortune on the extension direction of line both ends and the sliding tool of fortune is led in solderless wrapped connection two and two pre-
Bury the closing rope of pulley.
The sliding tool of fortune of leading includes support frame and the branch pulley blocks being arranged at the top of support frame；The branch pulley blocks packet
The pulley of branch containing two side-by-side, the branch pulley are connect by pulley fixture with support frame.
Support frame as described above is tripod, and the tripod is made of three rod pieces, wherein three rod piece bottom end sections in etc.
The distribution of lumbar triangle shape, top intersects at a point.
Two outsides in the vertical line layout direction of the pre-buried pulley are provided with auxiliary locator, the auxiliary positioning
Device includes fixed ring and the fixation rope for being connected and fixed ring and rope.
The fixed ring and pre-buried pulley pass through positioning plate and connect with ground, and the positioning plate passes through in earth anchor and ground
Cast-in-place basis connection.
The fixed rope, which is worn, to be connect fixed ring and is connected on the rope of branch pulley and pre-buried pulley room by capel.
The rope be it is loop-like, sequentially pass through the pre-buried pulley in this side, a branch pulley on the sliding tool of fortune is led in this side and right
A branch pulley on the sliding tool of fortune is led in side, followed by passes through another branch on the sliding tool of contralateral guidewire fortune further around the pre-buried pulley in opposite side is crossed
Pulley is then passed through this side and leads another branch pulley transported on sliding tool, is finally closed with the rope at the pre-buried pulley in this side.
Foundation pit two sides are symmetrically arranged at least two framves and lead the sliding tool of fortune, and the fortune of leading of every side is slided the setting of tool interval or is arranged side by side；
Two framves arranged side by side, which are led, to be fixed in connection frame between the top of the sliding tool of fortune by connecting plate connection, bottom end；The connection frame is
Rectangular frame is simultaneously bolted or pre-buried connection by cast-in-place basis with ground.
Pipe frame sets the construction method for leading fortune system on a kind of foundation pit, the specific steps are as follows:
Step 1: production connection frame, connecting plate and support frame, choose branch pulley, pre-buried cunning according to the length and weight for setting up pipeline
Wheel, fixed ring, fixed rope and rope；Wherein double two support frames will be connected in connection frame, and at the top of two support frames
Connect connecting plate；
Step 2: installing position, pre-buried pulley and auxiliary locator burial place in support frame, foundation pit, cast-in-place base are dug
Plinth concrete and pre-buried earth anchor, and complete to conserve；
Step 3:, with theodolite unwrapping wire, positioning, successively installation connects frame, support after detection concrete foundation platform solidifies completely
Frame and connecting plate and pre-buried pulley and auxiliary locator, and branch pulley is installed on connecting plate；
Step 4: successively wearing rope, and fixed rope is installed in fixed ring, fixed rope is mounted on by rope by capel
On；
Step 5 mounts pipeline on the opposite rope led between the sliding tool of fortune, opens capel and loosens fixed rope, starts pre-buried
Another rope for not mounting pipeline rotates between pulley driving leads the sliding tool of fortune, and the pipeline for the mounting that thus links slides on rope
Designated position；
Step 6 stops pre-buried pulley rotation when pipeline reaches designated position, closes capel, tightens fixed rope, so that rope
Rope be not driven.
The anchor force of the earth anchor is greater than the pulling force of rope, and the bearing capacity of the rope is greater than mounting pipeline gravity；It is described
Line classification should not mount respectively simultaneously and the measure that properly protects；In the daytime and night install when warning-sign is made on rope
Know, wherein being evenly arranged on rope with five colors coloured flag in the daytime, night installs colored low pressure bar-shaped LED water proof lamp band.
The invention has the following advantages:
The present invention passes through the setting for leading the sliding tool of fortune, and realize pipeline fast leads fortune, and wherein the setting of branch pulley, plays rope
In the fulcrum of circulation transport or the effect of sliding, on the one hand the and effect of support frame ensure that desired height when leading fortune pipeline, separately
On the one hand support force needed for leading fortune pipeline is provided；The setting of connection frame ensure that the connection of support frame and ground base,
Frame is connected when multiple support frames are used in conjunction holding integraty effect；The effect of pre-buried pulley had not only guaranteed the solderless wrapped connection of rope, but also can be
Pipeline provides the power of rope circulation when leading fortune；Auxiliary locator can lock rope, fixation when not recycling to rope.
In construction, need to only be articulated in pipeline can carry out leading fortune on one limb rope the present invention, save manpower, and applied structure
Part is simply easy to get, and install convenient is repeated again and recycled, and is greatly saved construction cost, ensure that construction working hour.
Detailed description of the invention
Fig. 1 be on foundation pit Pipe frame set lead fortune system construction schematic diagram；
Fig. 2 be on foundation pit Pipe frame set lead fortune system construction top view；
Fig. 3 is to lead the sliding lamps structure schematic diagram of fortune；
Fig. 4 is to lead the sliding lamps structure connection top view of fortune；
Fig. 5 is to lead the sliding tool connection top view of fortune；；
Fig. 6 is connection mount structure figure；
Fig. 7 is pre-buried pulley and auxiliary locator connection schematic diagram；
Fig. 8 is that pre-buried pulley with auxiliary locator connects top view.
Appended drawing reference: 1- foundation pit；2- leads the sliding tool of fortune；21- branch pulley；22- pulley fixture；23- support frame；24- connecting plate；3-
Pre-buried pulley；4- auxiliary locator；41- fixed ring；42- fixes rope；5- rope；6- earth anchor；7- positioning plate；8- connection frame.
Specific embodiment
By taking certain airport civil engineering as an example, there are 1, No. 2 pipe gallery and No. 1 luggage piping lane, terminal area APM segment is referred to as
APM, APM are about 300m；Subway and a length of tunnel 982m is worn, about 7.7 Wan ㎡；Pipe gallery is about 3078m；Pipe gallery has
The forms such as single-cabin structure, two chamber structures, three chamber structures are broadly divided into comprehensive storehouse, cold and hot storehouse, combustion gas storehouse, sewage storehouse, rainwater storehouse
Deng 1 depth 8.1m~13.55m of foundation pit.
As depicted in figs. 1 and 2, need to lay power pipeline and rainwater pipeline in the foundation pit 1 of the present embodiment, it is therefore desirable to base
Pipe frame, which is set, on hole 1 leads fortune system and carries out auxiliary installation, and Pipe frame, which is set, on the foundation pit leads fortune system, is included in foundation pit 1 and cheats side
Two lateral edge Pipe frame set directions are symmetrically arranged to lead the sliding tool 2 of fortune, and two led on the sliding tool 2 line both ends extension direction of fortune are pre-
It buries pulley 3 and the closing rope 5 of fortune sliding tool 2 and two pre-buried pulleys 3 is led in solderless wrapped connection two；The sliding tool 2 of fortune of leading includes support frame
23 and the branch pulley blocks at the top of support frame 23 are set；The branch pulley blocks include two side-by-side branch pulley 21, the branch
Pulley 21 is connect by pulley fixture 22 with support frame 23；Support frame as described above 23 is triangular frame, and the tripod is by three
Steel-pipe welding composition, wherein three steel pipe bottom end sections are distributed in isosceles triangle, top intersects at a point, the weldering of tripod top
Cableway pulley is connect, processing weld paints red white double-colored identification lacquer after carrying out preservative treatment.
In the present embodiment, 1 two sides of foundation pit are symmetrically arranged with two framves and lead the sliding tool 2 of fortune, and the sliding tool 2 of fortune of leading of every side is arranged side by side, by
In the common laying that this is electric power and rainwater pipeline two rows pipeline, therefore every side is arranged side by side that there are two lead the sliding tool 2 of fortune；Such as figure
3 are fixed on connection frame by the connection of connecting plate 24, bottom end between the top of the sliding tool 2 of fortune to shown in figure Fig. 5, two framves arranged side by side are led
In 8；The connecting plate 24 is steel stripe board or channel steel, as shown in fig. 6, the connection frame 8 is rectangle steel frame, by channel steel head
Tail is welded, and is bolted or pre-buried connection by cast-in-place basis with ground.
As shown in Figure 7 and Figure 8, two outsides in the vertical line layout direction of the pre-buried pulley 3 are provided with auxiliary positioning
Device 4, the auxiliary locator 4 includes fixed ring 41 and the fixation rope 42 for being connected and fixed ring 41 Yu rope 5, wherein fixing
Ring 41 is steel annulus, and fixed rope 42 is steel wire rope；The fixed ring 41 and pre-buried pulley 3 are connected by positioning plate 7 and ground
It connects, positioning plate 7 is steel rectangular slab, and the positioning plate 7 is connect by earth anchor 6 with basis cast-in-place in ground；The fixed rope 42
It wears and connects fixed ring 41 and on the rope 5 that is connected between branch pulley 21 and pre-buried pulley 3 by capel.
It wherein earth anchor 6 and leads the sliding tool 2 of fortune and is all made of concreting and form, concrete foundation platform is that big machinery is opened
Progress casting concrete forms after digging 3m × 3m × 2m foundation pit, wherein the built-in fitting processed in advance is placed in basis；Basis
Hole notices that slope prevents from collapsing, periodic maintenance after concreting, and after detection concrete foundation platform solidifies completely, fortune is led in installation
Sliding tool 2 and earth anchor 6, with theodolite unwrapping wire, positioning, fixed with 16# × 150mm expansion bolt four sides, the earth anchor 6 of east and west sides is drawn
Power built-in fitting and ropeway supporting trestle are straight line.
In the present embodiment, the rope 5 is loop-like wirerope, sequentially passes through the pre-buried pulley 3 in this side, the sliding tool of fortune is led in this side
A branch pulley 21 on a branch pulley 21 and the sliding tool 2 of contralateral guidewire fortune on 2, followed by wears further around the pre-buried pulley 3 in opposite side is crossed
Another branch pulley 21 on the sliding tool 2 of contralateral guidewire fortune is crossed, this side is then passed through and leads another branch pulley 21 transported on sliding tool 2, finally
It is closed with the rope 5 at the pre-buried pulley 3 in this side.
In the present embodiment, when wirerope is fixed using rope to be connect, regulation should be met with the rope card quantity of the diameter of wirerope
It is required that the last one length of rope card away from rope end cannot be less than wherein rope card spacing should be 6 times ~ 7 times of wirerope diameter
140mm；Card saddle clamping plate of restricting positive and negative should should must not interlock in the side of wirerope stress, U-bolt in the tail end of wirerope；
Diameter height at tail end steel wire rope compression should be made to flatten 1/3 to fasten after wirerope stress, and be preferably tightened to again；Work as steel wire
When nominal diameter of restricting is less than 18mm, rope card is at least 3；When wirerope nominal diameter is not more than equal to 18mm and is less than 26mm,
Rope card is at least 4；When wirerope nominal diameter is not more than equal to 26mm and is less than 36mm, rope card is at least 5；Wirerope is public
When diameter being claimed to be not more than equal to 36mm and be less than 44mm, rope card is at least 6；Wirerope nominal diameter be not more than equal to 44mm and
When less than 60mm, rope card is at least 7.
In the present embodiment, the anchor force of the earth anchor 6 is greater than the pulling force of rope 5, and the bearing capacity of the rope 5 is greater than mounting
Pipeline gravity；The line classification should not mount respectively simultaneously and the measure that properly protects；In the daytime and night install when in rope 5
Upper production alarming sign, wherein being evenly arranged on rope 5 with five colors coloured flag in the daytime, it is anti-that night installs colored low pressure bar-shaped LED
Water light bar.
It wherein, is 90 meters across APM piping lane cableway length, by being calculated: every meter of PE feedwater piping DN100 water-filling is certainly
Weight is 8 kilograms, and every meter of cable self weight is 5.6 kilograms；Every meter of 18# wirerope self weight is 1.2 kilograms；The load of 18# wirerope by
Power is 7400 kilograms, and 18 cubes of 6 pulling force of earth anchor are 48.6 tons；The self weight of earth anchor 6 is 48.6 tons, and safe wire cable load is 7400 public
Jin, wherein wirerope self weight+cable self weight+water pipe and medium self weight are 1.2 × 360+5.6 × 180+8 × 90=2160 kilogram,
It is 2.16 tons.
Therefore, the self weight > wirerope self weight+cable self weight+water pipe of earth anchor 6 and medium self weight, are 22.5 times of the latter；Steel
Cord charge of surety > wirerope self weight+cable self weight+water pipe and medium self weight, are 3.43 times of the latter, pass through the above load
Be calculated: the cableway of perforation APM piping lane fully meets the laying requirement of water, electric line.
In conjunction with Fig. 1 to Fig. 8, further illustrate that Pipe frame sets the construction method for leading fortune system on a kind of foundation pit, has
Steps are as follows for body:
Step 1: production connection frame 8, connecting plate 24 and support frame 23, the length and weight selection branch pulley 21 of foundation erection pipeline,
Pre-buried pulley 3, fixed ring 41, fixed rope 42 and rope 5；Wherein double two support frames 23 will be connected in frame 8 connecting, and
Connecting plate 24 is connected at the top of two support frames 23.
Step 2: installing 4 burial place of position, pre-buried pulley 3 and auxiliary locator in support frame 23, basis is dug
Hole, and cast-in-place base concrete and pre-buried earth anchor 6, and complete to conserve.
Step 3:, with theodolite unwrapping wire, positioning, successively installation connects frame after detection concrete foundation platform solidifies completely
8, support frame 23 and connecting plate 24 and pre-buried pulley 3 and auxiliary locator 4, and branch pulley 21 is installed on connecting plate 24.
Step 4: successively wearing rope 5, and fixed rope 42 is installed in fixed ring 41, it will fixed rope 42 by capel
It is mounted on rope 5.
Step 5 mounts pipeline on the opposite rope 5 led between the sliding tool 2 of fortune, opens capel and loosens fixed rope 42,
Start pre-buried pulley 3 drive lead the sliding tool 2 of fortune between another rope 5 for not mounting pipeline rotate, the pipeline for the mounting that thus links exists
Designated position is slided on rope 5；
Step 6 stops pre-buried pulley 3 and rotates, close capel, tighten fixed rope 42, make when pipeline reaches designated position
Rope 5 is obtained not to be driven.
Obviously, above-described embodiment is only intended to clearly illustrate made by outstanding feature of the invention and illustrates, and is not pair
The restriction of embodiment of the present invention；It, still can be on the basis of above explained use for those skilled in the art
It makes other variations or changes in different ways, if not carrying out inventive improvements to it, all belongs to the scope of protection of the present invention.
Claims (10)
1. Pipe frame, which is set, on a kind of foundation pit leads fortune system, it is characterised in that: be included in foundation pit (1) and cheat the two lateral edge Pipe frame side of setting of side
The sliding tool (2) of fortune is led to symmetrically arranged, leads two pre-buried pulleys (3) between transporting sliding tool (2) on the extension direction of line both ends, with
And the closing rope (5) of sliding tool (2) and two pre-buried pulleys (3) of fortune is led in solderless wrapped connection two.
2. Pipe frame, which is set, on a kind of foundation pit according to claim 1 leads fortune system, it is characterised in that: described to lead the sliding tool of fortune
(2) comprising support frame (23) and the branch pulley blocks being arranged at the top of support frame；The branch pulley blocks include two side-by-side branch
Pulley (21), the branch pulley (21) are connect by pulley fixture (22) with support frame (23).
3. Pipe frame, which is set, on a kind of foundation pit according to claim 2 leads fortune system, it is characterised in that: support frame as described above (23)
For tripod, the tripod is made of three rod pieces, wherein three rod piece bottom end sections are distributed in isosceles triangle, top phase
It meets at a bit.
4. Pipe frame, which is set, on a kind of foundation pit according to claim 1 leads fortune system, it is characterised in that: the pre-buried pulley
(3) two outsides in vertical line layout direction are provided with auxiliary locator (4), and the auxiliary locator (4) includes solid
Determine ring (41) and is connected and fixed the fixation rope (42) of ring (41) Yu rope (5).
5. Pipe frame, which is set, on a kind of foundation pit according to claim 4 leads fortune system, it is characterised in that: the fixed ring (41)
It is connect by positioning plate (7) with ground with pre-buried pulley (3), the positioning plate (7) passes through cast-in-place base in earth anchor (6) and ground
Plinth connection.
6. Pipe frame, which is set, on a kind of foundation pit according to claim 5 leads fortune system, it is characterised in that: the fixed rope (42)
It wears and connects fixed ring (41) and on the rope (5) that is connected between branch pulley (21) and pre-buried pulley (3) by capel.
7. being set to Pipe frame on a kind of foundation pit described in 6 any one lead fortune system according to claim 1, it is characterised in that: institute
State rope (5) be it is loop-like, sequentially pass through the pre-buried pulley in this side (3), a branch pulley (21) on the sliding tool (2) of fortune is led in this side and
A branch pulley (21) on the sliding tool (2) of contralateral guidewire fortune followed by passes through the sliding tool of contralateral guidewire fortune further around the pre-buried pulley in opposite side (3) are crossed
(2) another branch pulley (21) on is then passed through this side and leads another branch pulley (21) on the sliding tool (2) of fortune, finally with this side
Rope (5) closure at pre-buried pulley (3).
8. Pipe frame, which is set, on a kind of foundation pit according to claim 2 or 3 leads fortune system, it is characterised in that: foundation pit (1) two sides
It is symmetrically arranged at least two framves and leads the sliding tool (2) of fortune, the fortune of leading of every side is slided the setting of tool (2) interval or is arranged side by side；Arranged side by side
Two framves, which are led, to be fixed in connection frame (8) between the top of the sliding tool (2) of fortune by connecting plate (24) connection, bottom end；The connection frame (8)
It is bolted or pre-buried connection for rectangular frame and by cast-in-place basis with ground.
9. Pipe frame sets the construction method for leading fortune system on a kind of foundation pit according to claim 8, which is characterized in that specific
Steps are as follows:
Step 1: production connection frame (8), connecting plate (24) and support frame (23), choose branch according to the length and weight for setting up pipeline
Pulley (21), pre-buried pulley (3), fixed ring (41), fixed rope (42) and rope (5)；It wherein will the connection pair in connection frame (8)
Two support frames (23) are arranged, and connect connecting plate (24) at the top of two support frames (23)；
Step 2: installing position, pre-buried pulley (3) and auxiliary locator (4) burial place in support frame (23), basis is dug
Hole, cast-in-place base concrete and pre-buried earth anchor (6), and complete to conserve；
Step 3: detection concrete foundation platform solidify completely after, with theodolite unwrapping wire, positioning, successively installation connect frame (8),
Support frame (23) and connecting plate (24) and pre-buried pulley (3) and auxiliary locator (4), and branch is installed on connecting plate (24) and is slided
It takes turns (21)；
Step 4: successively wearing rope (5), and fixed rope (42) are installed on fixed ring (41), it will fixed rope by capel
(42) it is mounted on rope (5)；
Step 5 mounts pipeline on the opposite rope (5) led between the sliding tool (2) of fortune, opens capel and loosens fixed rope
(42), start pre-buried pulley (3) drive lead the sliding tool (2) of fortune between another rope (5) rotation for not mounting pipeline, thus linkage is hung
The pipeline connect slides into designated position on rope (5)；
Step 6 stops pre-buried pulley (3) rotation, closes capel, tighten fixed rope when pipeline reaches designated position
(42), so that rope (5) be not driven.
10. Pipe frame sets the construction method for leading fortune system on a kind of foundation pit according to claim 9, it is characterised in that: institute
The anchor force for stating earth anchor (6) is greater than the pulling force of rope (5), and the bearing capacity of the rope (5) is greater than mounting pipeline gravity；The pipe
Line classification should not mount respectively simultaneously and the measure that properly protects；In the daytime and when night installs on rope (5) makes warning-sign
Know, wherein being evenly arranged on rope (5) with five colors coloured flag in the daytime, night installs colored low pressure bar-shaped LED water proof lamp band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133044.4A CN109736350B (en) | 2019-02-22 | 2019-02-22 | Pipeline erection and guide system on foundation pit and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910133044.4A CN109736350B (en) | 2019-02-22 | 2019-02-22 | Pipeline erection and guide system on foundation pit and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109736350A true CN109736350A (en) | 2019-05-10 |
| CN109736350B CN109736350B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910133044.4A Active CN109736350B (en) | 2019-02-22 | 2019-02-22 | Pipeline erection and guide system on foundation pit and construction method thereof |
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| KR101025317B1 (en) * | 2010-12-09 | 2011-03-29 | 고엄식 | Apparatus for forming underground dome concrete structure and constructing method using the same |
| CN107792790A (en) * | 2017-10-16 | 2018-03-13 | 中国化学工程第十四建设有限公司 | Installation and application for the aerial cableway of mountain region construction material transport |
| CN208074267U (en) * | 2018-03-23 | 2018-11-09 | 中国十七冶集团有限公司 | A kind of hanging bracing means of Urban Underground pipe gallery excavation pit gut line |
| CN209741909U (en) * | 2019-02-22 | 2019-12-06 | 北京城建集团有限责任公司 | pipeline erects guided transport system on foundation ditch |
-
2019
- 2019-02-22 CN CN201910133044.4A patent/CN109736350B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101025317B1 (en) * | 2010-12-09 | 2011-03-29 | 고엄식 | Apparatus for forming underground dome concrete structure and constructing method using the same |
| CN107792790A (en) * | 2017-10-16 | 2018-03-13 | 中国化学工程第十四建设有限公司 | Installation and application for the aerial cableway of mountain region construction material transport |
| CN208074267U (en) * | 2018-03-23 | 2018-11-09 | 中国十七冶集团有限公司 | A kind of hanging bracing means of Urban Underground pipe gallery excavation pit gut line |
| CN209741909U (en) * | 2019-02-22 | 2019-12-06 | 北京城建集团有限责任公司 | pipeline erects guided transport system on foundation ditch |
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| Publication number | Publication date |
|---|---|
| CN109736350B (en) | 2023-09-22 |
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