CN106121507A - The operation platform of rotary drilling rig in foundation ditch - Google Patents
The operation platform of rotary drilling rig in foundation ditch Download PDFInfo
- Publication number
- CN106121507A CN106121507A CN201610671635.3A CN201610671635A CN106121507A CN 106121507 A CN106121507 A CN 106121507A CN 201610671635 A CN201610671635 A CN 201610671635A CN 106121507 A CN106121507 A CN 106121507A
- Authority
- CN
- China
- Prior art keywords
- bailey
- platform
- sliding seat
- pedestal
- track
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
Abstract
The invention discloses the operation platform of rotary drill digging machine in a kind of foundation ditch, provide operating condition for rotary drill digging machine.It includes forming pedestal, two Bailey beams being spliced respectively and for forming the track of rotary drill digging machine running lanes supported by multiple beret truss for being located at the end, hole, two described Bailey beams side by side and are all located on described pedestal along horizontal expansion respectively, and connect also by some beret truss between two described Bailey beams, described track includes the steel plate being laid in two described Bailey beams respectively, and the spacing of two described steel plates is corresponding to the spacing of rotary drill digging machine left and right wheels.This operation platform also includes that piston shoes running gear, described piston shoes running gear are arranged between described Bailey beam and described pedestal so that described Bailey beam can be slided along longitudinally opposed described pedestal.
Description
Technical field
The present invention relates to foundation pit construction field, particularly to the operation platform of rotary drill digging machine in a kind of foundation ditch.
Background technology
Some subway station especially transfer stop is when excavation, and foundation ditch level of ground water is higher.As, outside Gate of Everlasting Stability, station is ground, Beijing
No. 8 line three phases of ferrum and the transfer stop at station, more than foundation ditch level of ground water about 21.32m outside No. 14 line Gate of Everlasting Stability.More than waterline can adopt
With conventional earth excavation, must take underwater excavation mode below waterline, otherwise dewatering project amount is big, and dewatering project
Adjacent Buildings can be produced and destroy, it is therefore desirable to set up a transportable platform to realize underwater excavation.
The excavation of foundation pit form of the sealing scheme of underwater excavation mode and underwater concrete back cover is taked due to subway station,
And geology is more closely knit, conventional equipment all cannot efficiently accomplish the construction content of this operating mode.Rotary drilling rig have excavation ability but
Being not have working space and operating condition, therefore the operation platform of rotary drilling rig in design foundation ditch, can be that rotary drilling rig provides
Operating condition.
Summary of the invention
For reaching object above, the present invention provides the operation platform of rotary drill digging machine in a kind of foundation ditch, carries for rotary drill digging machine
For operating condition.
The technical solution used in the present invention is:
The operation platform of rotary drill digging machine in a kind of foundation ditch, it is characterised in that: include for be located at hole the end formed support pedestal,
Two respectively by multiple beret truss be spliced Bailey beam and for forming the track of rotary drill digging machine running lanes, two
Described Bailey beam side by side and is all located on described pedestal along horizontal expansion respectively, and if between two described Bailey beams also by
Dry beret truss connects, and described track includes the steel plate being laid in two described Bailey beams respectively, the spacing of two described steel plates
Spacing corresponding to rotary drill digging machine left and right wheels.
Preferably, this operation platform also includes that piston shoes running gear, described piston shoes running gear are arranged on described Bailey beam
And so that described Bailey beam can be slided along longitudinally opposed described pedestal between described pedestal.
It is highly preferred that described piston shoes running gear include being located on described pedestal the guide rail extended longitudinally, respectively with
The first sliding seat that described guide rail is slidingly fitted and the second sliding seat, one of them described Bailey beam is fixing is located at described first
On sliding seat, another described Bailey beam is fixing to be located on described second sliding seat.
Further, described first sliding seat, the bottom of the second sliding seat are respectively equipped with one layer of polyfluortetraethylene plate and lead to
Cross described polyfluortetraethylene plate and described guide rail phase sliding contact.
Further, described piston shoes running gear also includes for driving described first sliding seat and the second sliding seat along leading
The hydraulic drive mechanism of rail longitudinal sliding motion.
Further, described hydraulic drive mechanism includes for driving described first sliding seat and the second sliding seat to slide
Hydraulic jack, the track of creeping that is fixedly installed on described pedestal, described hydraulic jack has climbs head, described in climb on head
Offer the groove matched with track of creeping, described in climb headgear be located at described in creep on track.
Preferably, described Bailey beam includes multiple Bailey bracket being transversely sequentially connected with, and each described Bailey bracket includes multiple
Along the described beret truss being longitudinally layered on top of each other and connecting.
It is highly preferred that described Bailey beam also includes multiple yoke plate extended longitudinally, each described yoke plate and corresponding shellfish thunder
The each described beret truss of frame connects respectively.
Preferably, the upper surface of the steel plate in described Bailey beam is welded with multiple reinforcing bar, and multiple reinforcing bars are laterally spaced joins
Row.
Preferably, described pedestal includes the pre-buried thickness steel plate more than or equal to 2cm.
The present invention, by using technique scheme, is compared with prior art had the advantage that and is spliced by beret truss
The Bailey beam constituted, as the main body of operation platform, lays steel plate thereon for accepting the left and right wheels of rotary drill digging machine, Er Qie
Beret truss is used to connect the globality that ensure that operation platform, for rotary drill digging machine at ground iron-based between the Bailey beam that two assembly are good
In hole construction provide a kind of build conveniently, operation platform that fastness is good.
Accompanying drawing explanation
Accompanying drawing 1 is the top view of the operation platform in foundation ditch；
Accompanying drawing 2 is the side view of the operation platform in foundation ditch；
Accompanying drawing 3 be in accompanying drawing 2 A-A to sectional view；
Accompanying drawing 4 be in accompanying drawing 3 B-B to sectional view；
Accompanying drawing 5 be in accompanying drawing 3 C-C to sectional view.
Figure is numbered:
1, pedestal；2, Bailey beam；20, Bailey bracket；200, beret truss；21, yoke plate；3, track；
4, guide rail；5a, the first sliding seat；5b, the second sliding seat；51, polyfluortetraethylene plate；52, bearing pin is connected；53, connecting rod；
6, hydraulic drive mechanism；60, creep track；61, hydraulic jack；62, head is climbed.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art.Horizontal, the longitudinal direction mentioned in the present invention is the usual observation according to those skilled in the art
Visual angle and defining to describe convenient, does not limit concrete direction, e.g., corresponds respectively to the side shown in arrow in accompanying drawing 1
To.
Accompanying drawing 1-5 show the operation platform of rotary drill digging machine in a kind of foundation ditch of the present invention, particularly a kind of ground iron-based
The operation platform of rotary drill digging machine in hole.Wherein, the construction of pore-forming operation during rotary drilling rig is a kind of applicable building foundation engineering
Machinery, is primarily adapted for the soil layer constructions such as sand, cohesive soil, slity soil, at multiple grounds such as bored concrete pile, diaphragm wall, strengthenings of foundation
Foundation construction is used widely.In subway foundation pit, mainly by churning driven, the closely knit soil body is stirred pine, facilitate pump to incite somebody to action
The mixture sucking-off of the soil body and water.
Referring to the drawings shown in 1-5, the operation platform of rotary drill digging machine in a kind of foundation ditch, including for being located at the formation of the end, hole
The pedestal held 1, two respectively by multiple beret truss 200 be spliced Bailey beam 2 and for formed rotary drill digging machine travel
The track 3 of passage.
The part of pedestal 1 is embedded at the end, hole, the pedestal 1 in the present embodiment include being embedded in thickness at the end, hole more than or
Steel plate equal to 2cm.
Two Bailey beams 2 are located on pedestal 1 and extend transversely respectively, and are set up in parallel.Bailey beam 2 is by multiple Bailey brackets
20 trusses being transversely sequentially connected with composition, many to spend window as connecting elements between Bailey bracket 20, fix with bolt.Bailey bracket
20, it is the steelframe of an established cell, a lot of component, equipment can be assembled into its splicing.Bailey bracket 20 length and width size
Generally 3m × 1.5m.Specifically, each Bailey bracket 20 includes multiple along the beret truss 200 being longitudinally layered on top of each other and connecting.Have
Setting up rapidly, the advantage of mobility strong, Bailey beam 2 is convenient and swift, provides sidewalk for construction, increases the quick and convenient of construction.
Connect also by some beret truss 200 between two Bailey beams 2, connect the globality ensureing platform, between two Bailey beams 2
Distance is slightly less than the distance between two crawler belts of rotary drilling rig.Each Bailey beam 2 also includes multiple yoke plate 21 extended longitudinally, with
The laterally spaced arrangement of multiple yoke plates 21 in one Bailey beam 2 and respectively with each beret truss 200 points of corresponding Bailey bracket 20
Do not connect, increase the overall torsional property of Bailey bracket 20.
Track 3 includes that two corresponding are respectively laid on the steel plate in above-mentioned two Bailey beam 2, and steel plate uses the mode of full weld
In fixing connection Bailey beam 2, for two crawler travels for rotary drill digging machine.And on the upper surface of steel plate, weld multiple reinforcing bar
With frictional force during raising crawler travel and between track 3, the laterally spaced arrangement of multiple reinforcing bars.
Bailey beam 2 and track thereon 3 are placed along foundation ditch width (that is, horizontal), and rotary drilling rig on the track 3 may be used
To be operated along width, and in order to make rotary drilling rig along foundation ditch longitudinally work, this operation platform also includes piston shoes
Running gear, installs piston shoes running gear below Bailey beam 2 and realizes the movement along foundation ditch longitudinal direction.3-5 institute referring to the drawings
Showing, above-mentioned Bailey beam 2 can be along being arranged on pedestal 1 with longitudinal sliding, and piston shoes running gear is arranged on Bailey beam 2 and pedestal 1
Between so that Bailey beam 2 can be slided along longitudinally opposed pedestal 1.
Piston shoes running gear includes the guide rail 4 extended longitudinally being located on pedestal 1, is slidingly fitted with guide rail 4 respectively
The first sliding seat 5a and the second sliding seat 5b, one of them Bailey beam 2 is fixing to be located on described first sliding seat 5a, another
Bailey beam 2 is fixing to be located on the second sliding seat 5b.Specifically, guide rail 4 is bolted to connection the pre-embedded steel slab at pedestal 1
On, the first sliding seat 5a, the bottom of the second sliding seat 5b are respectively equipped with one layer of polyfluortetraethylene plate 52 and by described polytetrafluoro
Vinyl plate 52 and described guide rail 4 phase sliding contact, two Bailey beams 2 by bolt assembly be separately fixed at the first sliding seat 5a,
On second sliding seat 5b.
Piston shoes running gear also includes hydraulic drive mechanism 6, for driving the first sliding seat 5a and the second sliding seat 5b edge
Guide rail 4 slides, and is mainly made up of hydraulic jack 61, upper climbing head, lower climbing head, hydraulic control station, bearing, track 60 etc. of creeping,
Track 60 of creeping is fixed by bearing and anchor bolt, operates electromagnetic valve, shrinks piston rod, makes hydraulic jack 61 drive shellfish
Thunder truss advances, and continuous operation jack realizes truss and drives weight to creep continuously.Specifically, hydraulic jack 61 is by connecting
Bar 53 and the first sliding seat 5a is fixing to be connected, and by connecting, bearing pin 52 and the second sliding seat 5b is fixing to be connected the first sliding seat 5a,
Making hydraulic jack 61 when its piston rod stretches, the first sliding seat 5a and the second sliding seat 5b can slide accordingly with it.Climb
Row track 60 is fixedly installed on the wherein one end of guide rail 4, is used for supporting installation hydraulic drive mechanism 6.Hydraulic jack 61 has
Climb head, climb and on head, offer the groove matched with track 60 of creeping, climb headgear and be located at and creep on track 60.
In above-mentioned foundation ditch, the operation platform of rotary drill digging machine has the most specific
1, platform bearer ability is big
Excavation of foundation pit rotary drilling rig operation platform can load-bearing about 90t weight.Parameters of loading is as follows:
(1) platform structure deadweight: 1# platform 120.6t；2# platform 106.9t；
(2) drilling equipment (3 1 SR250 fully hydraulic auger drill) gross mass 71t；Crawler width 800mm, track gage
3500mm；
(3) rig maximum twist power: 250 kN m；
(4) shoveling weight: 20 kN
(5) SYL958 wheeled elevating conveyor gross mass be 22.4t(work quality be 17.4t；Specified mounted mass is 5t)；Wheelbase
3.2m；Front axle weight 16.3t, rear axle weight 6.1t.
, platform mobility good
Bailey beam 2 and track thereon 3 can realize longitudinally moving flexibly along foundation ditch, cover whole excavation of foundation pit area.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (10)
1. the operation platform of rotary drill digging machine in a foundation ditch, it is characterised in that: include the base forming support for being located at the end, hole
Seat, two respectively by multiple beret truss be spliced Bailey beam and for forming the track of rotary drill digging machine running lanes,
Two described Bailey beams side by side and are all located on described pedestal along horizontal expansion respectively, and the most logical between two described Bailey beams
Crossing some beret truss to connect, described track includes the steel plate being laid in two described Bailey beams respectively, two described steel plates
Spacing is corresponding to the spacing of rotary drill digging machine left and right wheels.
Operation platform the most according to claim 1, it is characterised in that: this operation platform also includes piston shoes running gear, institute
State piston shoes running gear to be arranged between described Bailey beam and described pedestal so that described Bailey beam can be along longitudinally opposed described base
Seat slides.
Operation platform the most according to claim 2, it is characterised in that: described piston shoes running gear includes being located at described pedestal
On the guide rail extended longitudinally, the first sliding seat being slidingly fitted with described guide rail respectively and the second sliding seat, Qi Zhongyi
Individual described Bailey beam is fixing to be located on described first sliding seat, and another described Bailey beam is fixing is located at described second sliding seat
On.
Operation platform the most according to claim 3, it is characterised in that: described first sliding seat, the bottom of the second sliding seat
It is respectively equipped with one layer of polyfluortetraethylene plate and by described polyfluortetraethylene plate and described guide rail phase sliding contact.
Operation platform the most according to claim 3, it is characterised in that: described piston shoes running gear also includes for driving
State the first sliding seat and the second sliding seat hydraulic drive mechanism along guide rail longitudinal sliding motion.
Operation platform the most according to claim 5, it is characterised in that: described hydraulic drive mechanism includes for driving described
Hydraulic jack that first sliding seat and the second sliding seat slide, the track of creeping being fixedly installed on described pedestal, described liquid
Pressure jack has and climbs head, described in climb and on head, offer the groove matched with track of creeping, described in climb headgear be located at described in creep
On track.
Operation platform the most according to claim 1, it is characterised in that: described Bailey beam includes multiple being transversely sequentially connected with
Bailey bracket, each described Bailey bracket includes multiple along the described beret truss being longitudinally layered on top of each other and connecting.
Operation platform the most according to claim 7, it is characterised in that: described Bailey beam also includes multiple extending longitudinally
Yoke plate, each described beret truss of each described yoke plate and corresponding Bailey bracket connects respectively.
Operation platform the most according to claim 1, it is characterised in that: the upper surface of the steel plate in described Bailey beam is welded with
Multiple reinforcing bars, the laterally spaced assortment of multiple reinforcing bars.
Operation platform the most according to claim 1, it is characterised in that: described pedestal include pre-buried thickness more than or etc.
Steel plate in 2cm.
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|---|---|---|---|
| CN201610671635.3A CN106121507B (en) | 2016-08-15 | 2016-08-15 | The construction platform of rotary drilling rig in foundation pit |
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|---|---|---|---|
| CN201610671635.3A CN106121507B (en) | 2016-08-15 | 2016-08-15 | The construction platform of rotary drilling rig in foundation pit |
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| CN106121507B CN106121507B (en) | 2018-06-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236242A (en) * | 2020-03-17 | 2020-06-05 | 中交隧道工程局有限公司 | Antitorque foundation ditch of bailey beam excavates platform under water |
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| Publication number | Publication date |
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| CN106121507B (en) | 2018-06-19 |
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