CN108002288A - A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain - Google Patents
A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain Download PDFInfo
- Publication number
- CN108002288A CN108002288A CN201711300750.0A CN201711300750A CN108002288A CN 108002288 A CN108002288 A CN 108002288A CN 201711300750 A CN201711300750 A CN 201711300750A CN 108002288 A CN108002288 A CN 108002288A
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- hoistable platform
- drilling machine
- directional drilling
- construction
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000005553 drilling Methods 0.000 title claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 17
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/09—Other lifting devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain, belong to underground engineering construction and its technical field.The platform is made of support system and lifting system two parts；Lifting system includes chain block, hoistable platform, horizontal directional drilling machine and ways；Support system includes concrete foundation, army just beam connection chord member, army just beam center stayrod, army just chord member, army just beam top strut, junction steel plate, cross support, horizontal brace rod, army just beam lowermost strut, army just beam upright bar and guide slide in the middle part of beam；The present invention use fabricated construction system, is bolted component, convenient for disassembly and assembly, speed of application is fast, repeatable utilization, and scantling is smaller, is readily transported.
Description
Technical field
Patent of the present invention is related to a kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain, fits
For the construction of tunnel vertical duct curtain, belong to underground engineering construction and its technical field.
Background technology
During large cross-section tunnel is excavated, first have to squeeze into steel pipe by horizontal directional drilling machine on ground section,
Pipe curtain is formed, as preliminary bracing structure, then, progress earth excavation, supporting and tunnel in region are gone along with sb. to guard him what pipe curtain was formed
Main structure construction, ultimately forms tunnel.When horizontal tube curtain is constructed, top, can be in same level height by horizontal directional drilling machine
In degree, more pipe curtains are continuously squeezed into, construction efficiency is higher；And both sides vertical duct curtain construct when, horizontal directional drilling machine need with
The progress that soil layer excavates downwards, constantly adjusts its vertical position, gradually squeezes into pipe curtain steel pipe, and construction efficiency is relatively low.
In the prior art, the hoistable platform for horizontal directional drilling machine construction shares 5 kinds, and details are as follows：
(1) horizontal directional drilling machine hoistable platform is not used, with foundation soil support level directional drilling machine.As soil layer is downward
The progress of excavation, constantly adjusts the vertical position of horizontal directional drilling machine, gradually squeezes into pipe curtain steel pipe.This technical work efficiency compared with
It is low, it is necessary to stop by turns and move horizontal directional drilling machine and for a long time take machinery, construction period is longer, and costly.
(2) patent of invention of application number CN201310440875.9 discloses fixed type manual hoistable platform.One kind is fixed
Formula Manual lifting platform, including base, workbench and scissors-type lifting；Scissors-type lifting is upper and lower two layers of scissor group
Part, scissor component are two groups, every group of inner bracing piece and outer support bar included in the connection of X shapes, two layers scissor component junction
It is connected between two groups of scissor components by transverse connecting rod, fixed type manual hoistable platform has further included linear transmission mechanism,
Hand-operated mechanism, linear transmission mechanism driven member and one of transverse connecting rod phase are connected with linear transmission mechanism driving link
Even, two transverse connecting rods can be close to each other or remote by linear transmission mechanism drive, and then drives the liter of workbench
Drop.
There are 2 points of essence are different from patent of the present invention for hoistable platform described in the invention patent.
Lift work mode is different.The invention patent lift work mode is to drive lifting flat using linear transmission mechanism
Platform lifts, and patent of the present invention directly carries out lifting platform operation by setting chain block；
Oriented approach is different.The invention patent is not provided with vertical orientation system, and patent of the present invention is by setting vertical slideway
Orientation, ensures the accurate positionin of horizontal directional drilling machine.
(3) patent of invention of application number CN201320625580.4 discloses working at height processing hoistable platform.It is a kind of
Working at height processing hoistable platform, including：One movable pedestal；One Lifting platform, is arranged in parallel in above base；One lifting
Device, is arranged between movable pedestal and Lifting platform；One supporting rack, above Lifting platform；One placed mesa, for adding
Work machine can form mobile horizontal direction, longitudinal direction movement and 360 ° of swing offsets after putting；One horizontal direction driving dress
Put, be arranged on supporting rack；One longitudinal direction driving device, is arranged on above the driving device of left and right；One rotating driving device, if
Put above front and rear driving device；With a fixing device, placed mesa and supporting rack are connected.
Hoistable platform described in the invention patent is different from the patent scope of application of the present invention, and the invention patent is mainly used for cargo
Working at height processing, patent of the present invention is mainly used for the construction of tunnel vertical duct curtain.
(4) patent of invention of application number CN201110440508.X discloses a kind of wall mounted lift.It is a kind of wall-mounted
Elevator includes hoistable platform, elevating mechanism and frame guide rail body, and frame guide rail body includes support frame and installed in support
Guide rail on frame, hoistable platform is arranged on frame guide rail body center, and side is provided with the roller that can be moved along the rail, lifting
Mechanism includes multiple chain roller, hydraulic cylinder, movable stand and chains, and movable stand both sides are respectively equipped with along above and below frame guide rail body
The pulley of movement, hydraulic cylinder body are vertically situated on hoistable platform, the cylinder rod connection movable stand of hydraulic cylinder, chain roller point
It is not arranged on hydraulic cylinder, chain one end is connected on hoistable platform, and the chain other end is arranged on connection movement around chain roller
On frame.The beneficial effect of the invention：Firm in structure, cargo dead-weight is big, and lifting is steady, and installation is safeguarded simple, it is not necessary to excavates melt pit
And top furred ceiling is not required to, operation is simple and reliable.
There are 2 points of essence are different from patent of the present invention for hoistable platform described in the invention patent.
Lift work mode is different.The patent of invention coordinates chain roller, chain, movable stand etc. to carry out by hydraulic cylinder
Lift work, patent of the present invention carry out lifting platform operation by setting chain block；
Supporting structure is different.The patent of invention sets support post and support frame as branch by leaning on building
Support structure, patent of the present invention is by setting independent assembled support system to be used as supporting structure.
(5) it is flat to disclose a kind of construction operation over shaft wall of vertical shaft lifting for the patent of invention of application number CN201120338571.8
Platform, is related to a kind of construction equipment, including operation trailer system and work lifting platform system, the operation trailer system bag
Include some hoist engines, switch board, swing to pulley and hoisting bracket, the work lifting platform system includes hoistable platform, lifting
Be provided with weighty slider on platform, hoistable platform is peripherally provided with the anti-skidding screw of some fixations and anti-frictional resistance wheel, hoist engine with
Switch board connects, and the steel cable of hoist engine is connected after pulley and hoisting bracket by swinging to a weighty slider.The present invention has perpendicular
The characteristics of upper and lower lifting and arbitrary point are fixed in well, solves personnel and equipment be able to can start shooting work at any time without departing from platform
The problem of making, so greatly improves work efficiency, and than traditional fast more than 2-3 times conventional of construction method, has saved cost, separately
It ensure that operating personnel and equipment equipment construction safety outside, it is very practical.
There are 2 points of essence are different from patent of the present invention for hoistable platform described in the invention patent.
The scope of application is different.The invention patent is mainly used for construction operation over shaft wall of vertical shaft, and patent of the present invention is mainly used for
The construction of tunnel vertical duct curtain；
Supporting structure is different.The invention patent is used as supporting structure, patent of the present invention using shaft wall and hoisting bracket
By setting independent assembled support system to be used as supporting structure.
Patent of the present invention is a kind of horizontal directional drilling machine assembled hoistable platform suitable for the construction of tunnel vertical duct curtain, can
Meet the needs that large cross-section tunnel vertical duct curtain is continuously constructed, reduce construction cost, ensure that the efficient of tunneltron curtain construction
Carry out, support system and lifting system use fabricated construction, and dismounting is simple, convenient transportation, repeats and utilizes.
The content of the invention
Patent of the present invention is a kind of horizontal directional drilling machine assembled hoistable platform suitable for the construction of tunnel vertical duct curtain, main
Solves the following technical problem run into tunnel vertical duct curtain work progress：
(1) when vertical duct curtain in tunnel is constructed using traditional handicraft, 12 vertical position adjustment programme of horizontal directional drilling machine is complicated,
Low construction efficiency, cycle length.
(2) horizontal directional drilling machine hoistable platform support system and lifting system build complexity, cycle length, not reproducible recycling
Utilize.
Patent of the present invention uses fabricated construction system, is bolted component, convenient for disassembly and assembly, speed of application is fast, can
Recycling, scantling is smaller, is readily transported.In tunnel vertical duct curtain work progress, by chain block 6, slided along being oriented to
Road 14, adjusts 9 vertical position of hoistable platform, reduces the workload that soil body layering is excavated downwards, is effectively shortened construction week
Phase, reduces construction cost.
The technical solution adopted by the present invention is a kind of horizontal directional drilling machine assembled liter for the construction of tunnel vertical duct curtain
Platform drops, which is made of support system and lifting system two parts：
Lifting system includes chain block 6, hoistable platform 9, horizontal directional drilling machine 12 and ways 15, horizontal directional drill
Machine 12 is positioned over 9 top of hoistable platform, and ways 15 is welded in 9 side of hoistable platform, and chain block 6 is connected by carrying hook
It is connected on hoistable platform 9,6 top of chain block is connected to army just in the middle part of beam on chord member 4 by carrying hook.
Support system includes concrete foundation 1, army just beam connection chord member 2, army just beam center stayrod 3, army just string in the middle part of beam
Bar 4, army just beam top strut 5, junction steel plate 7, cross support 8, horizontal brace rod 10, army just beam lowermost strut 11, army just beam
Upright bar 13 and guide slide 14；
Just beam connection chord member 2 is vertically laid for army, and just beam lowermost strut 11 is laid along horizontal longitudinal direction for army, horizontal connection
Bar 10 is laid along horizontal cross, and just beam lowermost strut 11 is bolted that just beam is connected chord member in army with horizontal brace rod 10 for army
2 bottoms, just beam connects chord member 2, the army node installation that just beam lowermost strut 11 and horizontal brace rod 10 connect in coagulation soil matrix for army
On plinth 1；Just beam upright bar 13 is the skeleton structure of support system for army, and just vertically just beam connects chord member 2, army for the army of standing on for beam upright bar 13 for army
Just at the node that beam lowermost strut 11 and horizontal brace rod 10 connect；Just beam connection chord member 2 passes through bolt and army's just beam upright bar for army
13 connections；Army just 3 army of being bolted to of beam center stayrod just 13 lower part of beam upright bar；Just beam top strut 5 passes through bolt for army
Connect army just 13 top of beam upright bar；Cross support 8 is located at the middle part of hoistable platform 9, and cross support 8 is arranged on adjacent army, and just beam is stood
Between bar 13；Junction steel plate 7 is located at the intersection midpoint of cross support 8, passes through bolt between cross support 8 and junction steel plate 7
Connection；14 army of being welded in of guide slide is just on the outside of beam upright bar 13.
Patent key technology of the present invention is as follows：
(1) support system Israeli troops are just built based on beam, are bolted, and scantling is small, intensity is high, dismounting
Simply, convenient transportation, repeats and utilizes.
(2) earth excavation is once completed, and reduces the workload that the earthwork is gradually excavated downwards, by chain block 6 along leading
To 14 lifting hoistable platform 9 of slideway, the vertical position of controlled level directional drilling machine 12, can meet positioned at the perpendicular of different height position
The requirement continuously constructed to pipe curtain steel pipe, whole work progress are easy to operate, it is not necessary to extra power, it is efficient and convenient.
Brief description of the drawings
The schematic diagram of Fig. 1 overall structure structures.
The front view of Fig. 2 overall structure structures.
The top view of Fig. 3 overall structure structures.
The left view of Fig. 4 overall structure structures.
The vertical guide frame partial enlarged view of Fig. 5 overall structure structures.
The support system of Fig. 6 overall structure structures.
The lifting system of Fig. 7 overall structure structures.
The horizontal directional drilling machine assembled hoistable platform assembly process of Fig. 8 overall structure structures.
Embodiment
The technical solution adopted by the present invention is a kind of horizontal directional drilling machine assembled liter for the construction of tunnel vertical duct curtain
Platform drops, which is made of support system and lifting system two parts：
Lifting system includes chain block 6, hoistable platform 9, horizontal directional drilling machine 12 and ways 15, horizontal directional drill
Machine 12 is positioned over 9 top of hoistable platform, and ways 15 is welded in 9 side of hoistable platform, and chain block 6 is connected by carrying hook
It is connected on hoistable platform 9,6 top of chain block is connected to army just in the middle part of beam on chord member 4 by carrying hook.
Support system includes concrete foundation 1, army just beam connection chord member 2, army just beam center stayrod 3, army just string in the middle part of beam
Bar 4, army just beam top strut 5, junction steel plate 7, cross support 8, horizontal brace rod 10, army just beam lowermost strut 11, army just beam
Upright bar 13 and guide slide 14；
Just beam connection chord member 2 is vertically laid for army, and just beam lowermost strut 11 is laid along horizontal longitudinal direction for army, horizontal connection
Bar 10 is laid along horizontal cross, and just beam lowermost strut 11 is bolted that just beam is connected chord member in army with horizontal brace rod 10 for army
2 bottoms, just beam connects chord member 2, the army node installation that just beam lowermost strut 11 and horizontal brace rod 10 connect in coagulation soil matrix for army
On plinth 1；Just beam upright bar 13 is the skeleton structure of support system for army, and just vertically just beam connects chord member 2, army for the army of standing on for beam upright bar 13 for army
Just at the node that beam lowermost strut 11 and horizontal brace rod 10 connect；Just beam connection chord member 2 passes through bolt and army's just beam upright bar for army
13 connections；Army just 3 army of being bolted to of beam center stayrod just 13 lower part of beam upright bar；Just beam top strut 5 passes through bolt for army
Connect army just 13 top of beam upright bar；Cross support 8 is located at the middle part of hoistable platform 9, and cross support 8 is arranged on adjacent army, and just beam is stood
Between bar 13；Junction steel plate 7 is located at the intersection midpoint of cross support 8, passes through bolt between cross support 8 and junction steel plate 7
Connection；14 army of being welded in of guide slide is just on the outside of beam upright bar 13；
A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain of patent of the present invention is specifically real
Construction journey is divided into two parts, and first part is assembled for horizontal directional drilling machine assembled hoistable platform, as shown in figure 8, second
A part is the construction of tunnel vertical duct curtain.
Support system Israeli troops are just built based on beam, are bolted, and scantling is small, intensity is high, dismounting letter
Single, assembled efficient, short construction period, convenient transportation, repeats and recycles.
Earth excavation is once completed, and reduces the workload that the earthwork is gradually excavated, by chain block 6 along guide slide 14
Lifting hoistable platform 9, the vertical position of controlled level directional drilling machine 12, can meet the vertical duct curtain steel pipe connecting positioned at different height
The requirement of continuous construction, whole work progress are easy to operate, it is not necessary to extra power, it is efficient and convenient.
Horizontal directional drilling machine assembled hoistable platform assembly process is as follows：
Process 1：Casting concrete basis 1, army's just beam connection chord member 2, army just beam center stayrod 3, army just beam top strut 5
And just beam lowermost strut 11 is bolted for army, half Pin frames of left (right side) side are formed；
Process 2：In left (right side) side, half Pin frames symmetric position repeats process 1, forms half Pin frames of right (left side) side；
Process 3：In the top and bottom of half Pin frames of left and right sides, the first Pin frames are connected into by chord member 4 in the middle part of army just beam
Frame；
Process 4：Repeat process 1~process 3, formed second and third, four Pin frames, and in the 2nd Pin frames and the 3rd Pin frames
Just on the outside of beam upright bar 13, guide slide 14 is bolted in frame army；
Process 5：Horizontal brace rod 10 and chassis body structure are fixed by bolt；
Process 6：Cross support 8, junction steel plate 7 are connected with chassis body structure by bolt, so far, support system is spelled
Install into；
Process 7：Lifting system is connected integral, formation horizontal directional drilling machine assembled hoistable platform with support system.
The work progress of tunnel vertical duct curtain is as follows：
(1) earthwork is once excavated to vertical duct curtain bottom；
(2) the horizontal directional drilling machine assembled hoistable platform assembled is transported to precalculated position；
(3) vertical position of horizontal directional drilling machine 12 is adjusted by chain block 6, is fixed squeezing into pipe curtain steel pipe position in advance
Hoistable platform 9；
(4) tunnel vertical duct curtain steel pipe is gradually squeezed into from top to bottom；
(5) tunnel vertical duct curtain construction is completed.
Claims (3)
- A kind of 1. horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain, it is characterised in that：The platform It is made of support system and lifting system two parts：Lifting system includes chain block (6), hoistable platform (9), horizontal directional drilling machine (12) and ways (15), and level is fixed Hoistable platform (9) top is positioned over to drilling machine (12), ways (15) is welded in hoistable platform (9) side, chain block (6) It is connected to by carrying hook on hoistable platform (9), chain block (6) top is connected to army's just string in the middle part of beam by carrying hook On bar (4)；Support system includes concrete foundation (1), army just beam connection chord member (2), army just beam center stayrod (3), army just in the middle part of beam Just just beam lower part is supportted for beam top strut (5), junction steel plate (7), cross support (8), horizontal brace rod (10), army for chord member (4), army Bar (11), army just beam upright bar (13) and guide slide (14)；Just beam connection chord member (2) is vertically laid for army, and just beam lowermost strut (11) is laid along horizontal longitudinal direction for army, horizontal connection Bar (10) is laid along horizontal cross, and just beam lowermost strut (11) and horizontal brace rod (10) are bolted that just beam connects in army for army Chord member (2) bottom is connect, just beam connects chord member (2), army just beam lowermost strut (11) and the node of horizontal brace rod (10) connection for army In concrete foundation (1)；Just beam upright bar (13) is the skeleton structure of support system for army, and just beam upright bar (13) is vertically vertical for army In army, just beam is connected at chord member (2), the army node that just beam lowermost strut (11) and horizontal brace rod (10) connect；Just beam connects for army By bolt, just beam upright bar (13) is connected chord member (2) with army；Army's just beam center stayrod (3) army of being bolted to just beam upright bar (13) lower part；Army just beam top strut (5) army of being bolted just beam upright bar (13) top；Cross support (8) is positioned at lifting In the middle part of platform (9), cross support (8) is arranged on adjacent army just between beam upright bar (13)；Junction steel plate (7) is located at cross support (8) intersection midpoint, is bolted between cross support (8) and junction steel plate (7)；Guide slide (14) army of being welded in Just on the outside of beam upright bar (13).
- 2. a kind of horizontal directional drilling machine assembled lifting for the construction of tunnel vertical duct curtain according to claim 1 is flat Platform, it is characterised in that：Hoistable platform specific implementation engineering is divided into two parts, and first part is horizontal directional drilling machine assembled Hoistable platform is assembled, and the second part is the construction of tunnel vertical duct curtain；Support system Israeli troops are just built based on beam, are bolted, and scantling is small, intensity is high, and dismounting is simple, are spelled Efficient, short construction period is filled, convenient transportation, repeats and recycle；Earth excavation is once completed, and reduces the workload that the earthwork is gradually excavated, by chain block (6) along guide slide (14) Lifting hoistable platform (9), the vertical position of controlled level directional drilling machine (12), can meet the vertical duct curtain steel positioned at different height The requirement continuously constructed is managed, whole work progress is easy to operate, it is not necessary to extra power, it is efficient and convenient；Horizontal directional drilling machine assembled hoistable platform assembly process is as follows：Process 1：Casting concrete basis (1), just just just beam top is supportted for beam center stayrod (3), army for beam connection chord member (2), army for army Just beam lowermost strut (11) is bolted for bar (5) and army, forms half Pin frames of left or right side；Process 2：In left or right side, half Pin frames symmetric position repeats process 1, forms right or half Pin frames of left side；Process 3：In the top and bottom of half Pin frames of left and right sides, the first Pin frames are connected into by chord member (4) in the middle part of army just beam；Process 4：Repeat process 1~process 3, formed second and third, four Pin frames, and in the 2nd Pin frames and the 3rd Pin frames army Just on the outside of beam upright bar (13), guide slide (14) is bolted；Process 5：Horizontal brace rod (10) is fixed with chassis body structure by bolt；Process 6：Cross support (8), junction steel plate (7) are connected with chassis body structure by bolt, so far, support system is spelled Install into；Process 7：Lifting system is connected integral, formation horizontal directional drilling machine assembled hoistable platform with support system.
- 3. a kind of horizontal directional drilling machine assembled lifting for the construction of tunnel vertical duct curtain according to claim 2 is flat Platform, it is characterised in that：The work progress of tunnel vertical duct curtain is as follows：(1) earthwork is once excavated to vertical duct curtain bottom；(2) the horizontal directional drilling machine assembled hoistable platform assembled is transported to precalculated position；(3) vertical position of horizontal directional drilling machine (12) is adjusted by chain block (6), is fixed squeezing into pipe curtain steel pipe position in advance Hoistable platform (9)；(4) tunnel vertical duct curtain steel pipe is gradually squeezed into from top to bottom；(5) tunnel vertical duct curtain construction is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300750.0A CN108002288A (en) | 2017-12-10 | 2017-12-10 | A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300750.0A CN108002288A (en) | 2017-12-10 | 2017-12-10 | A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain |
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| Publication Number | Publication Date |
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| CN108002288A true CN108002288A (en) | 2018-05-08 |
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| CN201711300750.0A Pending CN108002288A (en) | 2017-12-10 | 2017-12-10 | A kind of horizontal directional drilling machine assembled hoistable platform for the construction of tunnel vertical duct curtain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253437A (en) * | 2018-09-03 | 2019-01-22 | 中建二局第二建筑工程有限公司 | Portable construction lamp bracket |
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| CN109253437A (en) * | 2018-09-03 | 2019-01-22 | 中建二局第二建筑工程有限公司 | Portable construction lamp bracket |
| CN109253437B (en) * | 2018-09-03 | 2024-05-31 | 中建二局第二建筑工程有限公司 | Portable construction lamp bracket |
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