CN106121507B - The construction platform of rotary drilling rig in foundation pit - Google Patents
The construction platform of rotary drilling rig in foundation pit Download PDFInfo
- Publication number
- CN106121507B CN106121507B CN201610671635.3A CN201610671635A CN106121507B CN 106121507 B CN106121507 B CN 106121507B CN 201610671635 A CN201610671635 A CN 201610671635A CN 106121507 B CN106121507 B CN 106121507B
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- CN
- China
- Prior art keywords
- bailey
- pedestal
- sliding seat
- construction platform
- track
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- 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.)
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Classifications
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- 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 a kind of construction platforms of rotary drill digging machine in foundation pit, and operating condition is provided for rotary drill digging machine.It includes being located at pedestal, two Bailey beams being spliced by multiple beret slices respectively and the track for being used to form rotary drill digging machine running lanes that hole bottom forms support, edge is located on the pedestal two Bailey beams with being laterally extended respectively side by side and, and it is also connected between two Bailey beams by several beret slices, the track includes the steel plate being laid on respectively in two Bailey beams, and the spacing of two steel plates corresponds to the spacing of rotary drill digging machine left and right wheels.The construction platform further includes piston shoes running gear, and the piston shoes running gear is arranged between the Bailey beam and the pedestal so that the Bailey beam can relatively described pedestal be slided along longitudinal direction.
Description
Technical field
The present invention relates to foundation pit construction field, the construction platform of rotary drill digging machine in more particularly to a kind of foundation pit.
Background technology
When excavating, foundation pit level of ground water is higher for certain subway stations especially transfer stop.Such as, it stands for Beijing outside Gate of Everlasting Stability
No. 8 three phases of line of iron and the transfer stop stood outside No. 14 line Gate of Everlasting Stability, more than foundation pit level of ground water about 21.32m.It more than water level line can adopt
With conventional earth excavation, underwater excavation mode must be taken below water level line, otherwise dewatering project amount is big, and dewatering project
Destruction can be generated to Adjacent Buildings, it is therefore desirable to set up a transportable platform to realize underwater excavation.
Since subway station takes the excavation of foundation pit form of underwater excavation mode and the sealing scheme of underwater concrete back cover,
And geology is more closely knit, conventional equipment can not efficiently accomplish the construction content of this operating mode.Rotary drilling rig possess excavation ability but
It is no working space and operating condition, therefore designs the construction platform of rotary drilling rig in foundation pit, can be provided for rotary drilling rig
Operating condition.
Invention content
To achieve the above objectives, the present invention provides a kind of construction platform of rotary drill digging machine in foundation pit, is carried for rotary drill digging machine
For operating condition.
The technical solution adopted by the present invention is：
The construction platform of rotary drill digging machine in a kind of foundation pit, it is characterised in that：Including being used to be located at the formation support of hole bottom
Pedestal, two Bailey beams being spliced respectively by multiple beret slices and the rail for being used to form rotary drill digging machine running lanes
Road, edge is located on the pedestal, and between two Bailey beams two Bailey beams with being laterally extended respectively side by side and
It is also connected by several beret slices, the track includes the steel plate being laid on respectively in two Bailey beams, two steel
The spacing of plate corresponds to the spacing of rotary drill digging machine left and right wheels.
Preferably, which further includes piston shoes running gear, and the piston shoes running gear is arranged on the Bailey beam
So that the Bailey beam can relatively described pedestal be slided along longitudinal direction between the pedestal.
It is highly preferred that the piston shoes running gear include being located at the guide rail extended longitudinally on the pedestal, respectively with
The first sliding seat and the second sliding seat that the guide rail is slidingly fitted, one of them described Bailey beam fixation are located at described first
On sliding seat, another described Bailey beam fixation is located on second sliding seat.
Further, first sliding seat, the second sliding seat bottom be respectively equipped with one layer of polyfluortetraethylene plate and lead to
Cross the polyfluortetraethylene plate and the guide rail phase sliding contact.
Further, the piston shoes running gear further includes that first sliding seat and the second sliding seat edge is driven to lead
The hydraulic drive mechanism of rail longitudinal sliding motion.
Further, the hydraulic drive mechanism includes first sliding seat and the second sliding seat is driven to slide
Hydraulic jack, the track of creeping that is fixed on the pedestal, the hydraulic jack, which has, climbs head, described to climb on head
Offer and creep the matched slot of track, and the headgear of climbing is located at described creep on track.
Preferably, the Bailey beam includes multiple transversely sequentially connected Bailey brackets, and each Bailey bracket includes multiple
The beret slice for being layered on top of each other and connecting along longitudinal direction.
It is highly preferred that the Bailey beam further includes multiple yoke plates extended longitudinally, each yoke plate and corresponding shellfish thunder
Each beret slice of frame connects respectively.
Preferably, the upper surface of the steel plate in the Bailey beam is welded with multiple reinforcing bars, and multiple reinforcing bars are laterally spaced to match
Row.
Preferably, the pedestal includes the steel plate that pre-buried thickness is greater than or equal to 2cm.
The present invention has the following advantages compared with prior art by using above-mentioned technical proposal：Spliced by beret slice
Main body of the Bailey beam of composition as construction platform is laid with the left and right wheels that steel plate is used to accept rotary drill digging machine, Er Qie on it
The globality of construction platform ensure that using beret slice connection between the good Bailey beam of two assembly, be rotary drill digging machine in ground iron-based
In hole construction provide it is a kind of build conveniently, the good construction platform of fastness.
Description of the drawings
Attached drawing 1 is the vertical view of the construction platform in foundation pit；
Attached drawing 2 is the side view of the construction platform in foundation pit；
Attached drawing 3 be attached drawing 2 in A-A to sectional view；
Attached drawing 4 is the sectional view of B-B direction in attached drawing 3；
Attached drawing 5 be attached drawing 3 in C-C to sectional view.
Figure label is：
1st, pedestal；2nd, Bailey beam；20th, Bailey bracket；200th, beret slice；21st, yoke plate；3rd, track；
4th, guide rail；5a, the first sliding seat；5b, the second sliding seat；51st, polyfluortetraethylene plate；52nd, axis pin is connected；53rd, even
Extension bar；
6th, hydraulic drive mechanism；60th, it creeps track；61st, hydraulic jack；62nd, head is climbed.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art.Lateral, the longitudinal direction that are referred in the present invention are the usual observations according to those skilled in the art
It visual angle and is defined to describe convenient, does not limit specific direction, e.g., correspond respectively to the side shown in arrow in attached drawing 1
To.
Attached drawing 1-5 show the construction platform of rotary drill digging machine in a kind of foundation pit of the present invention, particularly a kind ofly iron-based
The construction platform of rotary drill digging machine in hole.Wherein, rotary drilling rig is a kind of construction of pore-forming operation in suitable building foundation engineering
Machinery is primarily adapted for the construction of the soil layers such as sand, cohesive soil, slity soil, in a variety of grounds such as bored concrete pile, diaphragm wall, strengthening of foundation
It is used widely in foundation construction.The closely knit soil body is mainly stirred into pine using churning driven in subway foundation pit, facilitates pump will
The mixture of the soil body and water is sucked out.
With reference to shown in attached drawing 1-5, the construction platform of rotary drill digging machine in a kind of foundation pit is located at hole bottom formation branch including being used for
1, two Bailey beam 2 being spliced respectively by multiple beret slices 200 of the pedestal held and be used to form rotary drill digging machine traveling
The track 3 of channel.
The part of pedestal 1 is embedded in the bottom of hole, the thickness that pedestal 1 in the present embodiment includes being embedded in the bottom of hole be more than or
Steel plate equal to 2cm.
Two Bailey beams 2 are located on pedestal 1 and extend transversely respectively, and be set up in parallel.Bailey beam 2 is by multiple Bailey brackets
20 are transversely sequentially connected the trusses of composition, mostly window to be spent to be fixed as connecting elements with bolt between Bailey bracket 20.Bailey bracket
20, it is the steelframe of established certain unit, can be spliced with it and be assembled into many components, equipment.20 length and width dimensions of Bailey bracket
Generally 3m × 1.5m.Specifically, each Bailey bracket 20 includes multiple beret slices 200 for being layered on top of each other and connecting along longitudinal direction.Have
Set up rapid, the advantages of mobility strong, Bailey beam 2 is convenient and efficient, and sidewalk is provided for construction, increase the quick of construction with conveniently.
It is also connected between two Bailey beams 2 by several beret slices 200, the globality of connection guarantee 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 further includes multiple yoke plates 21 extended longitudinally, together
The laterally spaced arrangement of multiple yoke plates 21 in one Bailey beam 2 and each beret slice 200 with corresponding Bailey bracket 20 divides respectively
It does not connect, increases the whole torsional property of Bailey bracket 20.
Track 3 includes two corresponding steel plates being laid in above-mentioned two Bailey beam 2 respectively, and steel plate is by the way of full weld
It is fixedly connected in Bailey beam 2, for two crawler travels for rotary drill digging machine.And multiple reinforcing bars are welded on the upper surface of steel plate
Frictional force during improving crawler travel between track 3, multiple laterally spaced arrangements of reinforcing bar.
Bailey beam 2 and track 3 thereon are along foundation pit width direction（That is, laterally）It places, rotary drilling rig on the track 3 may be used
To work along width direction, and in order to which rotary drilling rig is made longitudinally to work along foundation pit, which further includes piston shoes
Running gear installs piston shoes running gear to realize moving along foundation pit longitudinal direction below Bailey beam 2.With reference to attached drawing 3-5 institutes
Show, above-mentioned Bailey beam 2 can be along longitudinal direction slidably arranged on pedestal 1, and piston shoes running gear is arranged on Bailey beam 2 and pedestal 1
Between so that Bailey beam 2 opposite base 1 can be slided along longitudinal direction.
Piston shoes running gear includes the guide rail 4 extended longitudinally being located on pedestal 1, is slidingly fitted respectively with guide rail 4
The first sliding seat 5a and the second sliding seat 5b, one of fixation of Bailey beam 2 is located on the first sliding seat 5a, another
The fixation of Bailey beam 2 is located on the second sliding seat 5b.Specifically, guide rail 4 is bolted to connection the pre-embedded steel slab in pedestal 1
On, the first sliding seat 5a, the second sliding seat 5b bottom be respectively equipped with one layer of polyfluortetraethylene plate 52 and by the polytetrafluoro
The 4 phase sliding contact of vinyl plate 52 and the guide rail, 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 further includes hydraulic drive mechanism 6, for driving the first sliding seat 5a and the second sliding seat 5b edges
Guide rail 4 slides, and is mainly made 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 in bearing and anchor bolt, operates solenoid valve, shrinks piston rod, and hydraulic jack 61 is made to drive shellfish
Thunder truss advances, and continuous operation jack realizes that truss drives weight continuously to creep.Specifically, hydraulic jack 61 passes through connection
Bar 53 is fixedly connected with the first sliding seat 5a, and the first sliding seat 5a is fixedly connected by connecting axis pin 52 with the second sliding seat 5b,
So that hydraulic jack 61, when its piston rod is flexible, the first sliding seat 5a and the second sliding seat 5b can be with its corresponding slips.It climbs
Row track 60 is fixed at the wherein one end of guide rail 4, and hydraulic drive mechanism 6 is installed for supporting.Hydraulic jack 61 has
Head is climbed, climbs on head the 60 matched slot of track that offers and creep, headgear is climbed and is located at and creep on track 60.
The construction platform of rotary drill digging machine has following specific in above-mentioned foundation pit
1st, platform bearer ability is big
Excavation of foundation pit rotary drilling rig construction platform can load-bearing about 90t weight.Parameters of loading is as follows：
（1）Platform structure is conducted oneself with dignity：1# platforms 120.6t；2# platforms 106.9t；
（2）Drilling equipment（31 SR250 fully hydraulic auger drills）Gross mass 71t；Crawler width 800mm, track center
Away from 3500mm；
（3）Drilling machine maximum twist power：250 kN·m；
（4）Shoveling weight：20 kN
（5）The wheeled elevating conveyor gross masses of SYL958 are 22.4t（Work quality is 17.4t；Specified mounted mass is 5t）；Wheelbase
3.2m；Front axle weight 16.3t, rear axle weight 6.1t.
, platform mobility it is good
Bailey beam 2 and track 3 thereon can be realized along foundation pit and longitudinally flexibly be moved, and cover entire excavation of foundation pit face
Product.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of construction platform of rotary drill digging machine in foundation pit, it is characterised in that：Base including being used to be located at the formation support of hole bottom
Seat, two Bailey beams being spliced respectively by multiple beret slices and the track for being used to form rotary drill digging machine running lanes, two
A Bailey beam is arranged side by side and is located on the pedestal with respectively extending transversely, and also logical between two Bailey beams
Cross the connection of several beret slices, the track includes the steel plate being laid on respectively in two Bailey beams, two steel plates
Spacing corresponds to the spacing of rotary drill digging machine left and right wheels；The construction platform further includes piston shoes running gear, the piston shoes running gear
It is arranged between the Bailey beam and the pedestal so that the Bailey beam can the pedestal slides relatively along longitudinal direction, the piston shoes
Running gear includes the guide rail extended longitudinally being located on the pedestal, first to be slidingly fitted respectively with the guide rail is slided
Dynamic seat and the second sliding seat, one of them described Bailey beam fixation are located on first sliding seat, another described Bailey beam
Fixation is located on second sliding seat, and the piston shoes running gear further includes to drive first sliding seat and the second cunning
Dynamic hydraulic drive mechanism of the seat along guide rail longitudinal sliding motion, the hydraulic drive mechanism include for drive first sliding seat and
The hydraulic jack of second sliding seat slip, the track of creeping being fixed on the pedestal, the hydraulic jack have
Head is climbed, and described that the matched slot of track that offers and creep is climbed on head, the headgear of climbing is located at described creep on track；The base
Seat includes the steel plate that pre-buried thickness is greater than or equal to 2cm.
2. construction platform according to claim 1, it is characterised in that：The bottom of first sliding seat, the second sliding seat
It is respectively equipped with one layer of polyfluortetraethylene plate and by the polyfluortetraethylene plate and the guide rail phase sliding contact.
3. construction platform according to claim 1, it is characterised in that：The Bailey beam is transversely sequentially connected including multiple
Bailey bracket, each Bailey bracket include multiple beret slices for being layered on top of each other and connecting along longitudinal direction.
4. construction platform according to claim 3, it is characterised in that：The Bailey beam further includes multiple extend longitudinally
Each beret slice of yoke plate, each yoke plate and corresponding Bailey bracket connects respectively.
5. construction platform according to claim 1, it is characterised in that：The upper surface of steel plate in the Bailey beam is welded with
Multiple reinforcing bars, multiple laterally spaced arrangements of reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671635.3A CN106121507B (en) | 2016-08-15 | 2016-08-15 | The construction platform of rotary drilling rig in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610671635.3A CN106121507B (en) | 2016-08-15 | 2016-08-15 | The construction platform of rotary drilling rig in foundation pit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121507A CN106121507A (en) | 2016-11-16 |
| CN106121507B true CN106121507B (en) | 2018-06-19 |
Family
ID=57259066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610671635.3A Active CN106121507B (en) | 2016-08-15 | 2016-08-15 | The construction platform of rotary drilling rig in foundation pit |
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| Country | Link |
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| CN (1) | CN106121507B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306550A (en) * | 2019-07-23 | 2019-10-08 | 江苏苏南建筑安装工程有限公司 | It is used to support the trestle device of jumbolter |
| CN111236242B (en) * | 2020-03-17 | 2021-10-26 | 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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| CN101046099A (en) * | 2007-04-18 | 2007-10-03 | 上海市第二市政工程有限公司 | Self descending unit on track beam |
| CN101078214A (en) * | 2007-04-18 | 2007-11-28 | 上海市第二市政工程有限公司 | Automatic excavation and construction device for deep foundation ditch |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106121507A (en) | 2016-11-16 |
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