CN208534435U - A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device - Google Patents
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device Download PDFInfo
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- CN208534435U CN208534435U CN201821086951.5U CN201821086951U CN208534435U CN 208534435 U CN208534435 U CN 208534435U CN 201821086951 U CN201821086951 U CN 201821086951U CN 208534435 U CN208534435 U CN 208534435U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 239000002893 slag Substances 0.000 title claims abstract description 35
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 53
- 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 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 14
- 239000003818 cinder Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010276 construction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, belongs to building field piling Technology field.The device includes upper plenum cylinder, lower cavity cylinder and ejector, and upper plenum cylinder includes upper plenum cylindrical solid, and upper plenum cylindrical solid upper surface is equipped with upper closing disk, lower part is equipped with self-locking device and strut mounting hole；Lower cavity cylinder includes lower cavity cylindrical solid, and lower cavity cylindrical solid lower surface is equipped with lower closing disk；Ejector includes pedestal and the lower fulcrum bar being set on the base, upper rack posts are arranged on lower fulcrum bar, reserved side opening is equipped on the outside of upper rack posts, upper rack posts are equipped with spring a, lower fulcrum bar is equipped with spring b, upper rack posts connect upper plenum cylinder and lower cavity cylinder, and are fixed by self-locking device, and the diameter of locking bar is matched with the internal diameter of reserved side opening.Present apparatus structure is simple, small volume, and convenient transportation is easy to operate, is not necessarily to other external force ancillary equipments, and an operator is only needed to can be achieved with overall process scarfing cinder work.
Description
Technical field
The utility model belongs to building field piling Technology field, in particular to a kind of cast-in-situ bored pile eject water
Press slag cleaning device.
Background technique
In recent years, cast-in-situ bored pile is because its wide adaptation range, bearing capacity of single pile are high, construction noise is small, at low cost and apply
The advantages that work facilitates is widely used in pattern foundation pit supporting structure and pile foundation construction field in all kinds of architectural engineerings.With skyscraper
It is increasing, the requirement to bearing capacity of pile foundation is also higher and higher.But due to the particularity of construction process for bored pile,
Bearing capacity constructed in factor be affected, the especially bottom hole sediment layer performance that seriously affects bearing capacity of pile foundation.According to " building
Build standard for pile foundation " regulation, Pile bottom sediment thickness control standard are as follows: type stake is held at end, should not exceed 50mm；It rubs
Wiping type stake, should not exceed 100mm.To ensure to meet code requirement, in work progress the control of reinforced hole bottom sediment thickness just at
One of Construction Quality for Bore Filling Pile and the critical issue of bearing capacity of pile foundation.
Cast-in-situ bored pile mainly uses secondary mud borehole cleaning method at present, i.e. first time sediment processing is when pore-forming operation reaches
To after predetermined depth, drilling machine is not promoted immediately, but casting operation is continued in original position, until sediment near bottom hole is cleared up
Until clean, coarse-grained soil can only be cleared up major part by current processing, and descending reinforcing cage and installation pour conduit later, due to this
Activity time is longer, and the mud little particle sediment in static a period of time slowly sinks to bottom hole, need to carry out secondary pile hole cleaning in this way,
Two kinds of methods are typically now used, it is a kind of that new mud displacement hole internal difference mud is pressed by conduit using slush pump, due on silt
It is slow to return speed, scarfing cinder ability is poor, not enough thoroughly, is only suitable for minor diameter and not deep stake；Another kind uses the side of gas lift reverse circulation
Method, the compressed air generated with pressure fan, is sent in borehole cleaning outlet pipe through mixer by air supply tube and is mixed with mud in hole, is produced
It is poor to bear mud severe inside and outside water pipe, in this role, manages interior mud along outlet pipe and rises flowing, form mud and sediment outside hole
It is flowed out outside stake along pipe upwards through outlet pipe, while constantly feeding new mud displacement into hole, achieve the purpose that borehole cleaning, but to more than 10
Stake scarfing cinder within rice is not thorough enough, and scarfing cinder speed is slow, also needs to increase pressure fan ancillary equipment, causes the big of manpower and material resources
Amount increases, its activity duration is not effectively reduced while operating expenses increases.
Utility model content
For the above problem existing in background technique, the utility model is intended to provide a kind of cast-in-situ bored pile eject water
Press slag cleaning device and its construction method.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that including upper plenum cylinder, lower sky
Chamber cylinder and ejector, the upper plenum cylinder include upper plenum cylindrical solid, and upper plenum cylindrical solid upper surface is equipped with upper circle
Cover board, lower part are equipped with self-locking device and strut mounting hole；Lower cavity cylinder includes lower cavity cylindrical solid, lower cavity cylindrical solid
Lower surface is equipped with lower closing disk, and lower cavity cylindrical solid two sides upper and lower position is symmetrically arranged with bolt box a and bolt is reserved
Hole b；Ejector includes pedestal and the lower fulcrum bar being set on the base, and upper rack posts are arranged on lower fulcrum bar, are equipped on the outside of upper rack posts pre-
Stay side opening, upper rack posts are equipped with spring a, and lower fulcrum bar is equipped with spring b, upper rack posts sequentially pass through from the bottom up bolt box b,
Strut mounting hole and bolt box a connect upper plenum cylinder with lower cavity cylinder, and are connected by self-locking device and reserved side opening
Fixation is connect, the diameter of locking bar is matched with the internal diameter of reserved side opening.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that upper plenum cylindrical solid is cavity
Type cylindrical body, upper part opening are parallel closing, and the bottom fold inward of cavity type cylindrical body constitutes lower part in-flanges, lower part
The gap spacing of in-flanges and cylindrical sidewall is greater than the thickness of upper plenum cylindrical solid；Lower cavity cylindrical solid is cavity type circle
Cylinder, the top of cavity type cylindrical body turns down outward constitutes top flanging, between top flanging and the gap of cylindrical sidewall
Away from the thickness for being greater than lower cavity cylindrical solid, lower part in-flanges and the mutual latch closure of top flanging cooperate.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that upper plenum cylindrical solid side wall pair
Position is answered to be equipped with aperture, aperture is located at strut mounting hole side, and self-locking device includes holddown spring and locking bar, holddown spring one end
It is fixed in aperture, the other end is connect with locking bar, and when holddown spring is in normal condition, the total length of holddown spring and locking bar is big
In the distance between upper plenum cylindrical solid side wall and strut mounting hole.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that lower cavity cylindrical solid bottom is set
There is mounting base, be arranged above spring b by mounting base, opening is equipped in mounting base, lower closing disk is arranged in mounting base simultaneously
It is matched with opening.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that bolt box b is symmetrical arranged
In mounting base two sides, bolt box a is symmetricly set on the top flanging bottom surface both side of lower cavity cylindrical solid, and bolt is pre-
Boxing out, a, strut mounting hole and the position bolt box b are corresponding, and the bolt box a is blind hole, and aperture is less than lower cavity circle
The thickness of the top flanging of column entity, hole depth 20-30mm.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that the top of upper plenum cylindrical solid
The radius of opening is 0.5-0.8 times of cylinder radius, and upper closing disk size is matched with upper opening size, upper closing disk side
There is outwardly protruding cuboid attachment device, be reserved with circular hole in cuboid center side, by pin connection upper plenum circle
The movable latch connector a of column entity top setting.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that mounting base is hollow disk, empty
The exradius of heart disk and lower cavity cylindrical solid radius ratio are 1.1-1.3:1, the inner circle radius of hollow disk and lower cavity
Cylindrical solid radius ratio is 0.3-0.4:1, and the inner circle size of hollow disk is matched with lower closing disk, and lower closing disk side has outward
The rectangle attachment device of protrusion is reserved with circular hole in cuboid center side, connects mounting base by pin.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that locking bar outer end is set as downward oblique
Ramp shaped structure, lower fulcrum bar upper end are equipped with matched hill-like structure, when lower fulcrum bar up moves to locking bar outer end, can push locking bar
Movement, locking bar is exited from reserved side opening.
A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that the both ends point of spring a, spring b
It She You not circular gasket.
The construction method of the cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that include the following steps:
1) before use, upper plenum cylinder to be first compressed to the bottom of lower cavity cylinder, launch self-locking device to lower cavity
The reserved side opening of upper rack posts on the downside of cylinder, whole device are in compression lock state；
2) A-frame is set up, guarantees that eject hydraulic pressure slag cleaning device is transferred along steel reinforcement cage center, utilizes the dress
Own wt is set, is at the uniform velocity transferred along center to bottom；
3) when whole device is transferred to stake holes bottom, ejector will be kept out stopping by bottom rock-soil and move down, and on
For part device since the effect of inertia of gravity will continue to move down, the slope at the top of lower fulcrum bar touches the lock of self-locking device
The slope of bar and when continuing up, locking bar is ejected the reserved side opening of upper rack posts, and self-locking device is opened, in the elastic force of spring a
It acts on lower upper plenum cylinder to pop up, the cavity volume of whole device increases suddenly, inside and outside generation differential water pressures, presses using outside
It is powerful in internal pressure principle, lower closing disk opens, and lower part sediment sucks upper plenum cylinder and lower cavity cylinder together with water flow
It is internal；
4) manually by the whole vertical proposition stake holes of device, under pressure and gravity, upper closing disk and lower closing disk lid
On, sediment is taken out of together with water flow pours into process container device, cleans out rear repetitive operation, and sediment is all taken out, is realized
Quick scarfing cinder.
The prior art is compared, a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device and its construction method of the utility model
It has the advantages that
1) present apparatus is applied in combination using upper closing disk and lower closing disk, and slag cleaning device sinks under the action of self-weight, is led to
The resistance of water is crossed by two cover boards while being automatically opened, improves subsidence velocity, and after reaching bottom, certainly by ejector
It is dynamic to touch upper plenum ejection, close closing disk under the resistance of upper surface water automatically, lower closing disk is in inside and outside differential water pressures
It is automatically opened under effect, forms inside and outside differential water pressures, inside sediment suction apparatus, it is heavy that simple, quick, accurate cleaning may be implemented
Slag；
2) present apparatus structure is simple, small volume, and convenient transportation carries, operate it is also very convenient, it is auxiliary without other external force
Equipment is helped, an operator is only needed to can be achieved with overall process scarfing cinder work.
3) method of the utility model concentrates bottom to carry out specific aim cleaning in mud by using the device of restriction, instead of
The method of whole mud displacement in traditional stake holes, and this method is constructed, simpler reality unrelated with stake holes effect of depth
With, save the duration while, operating expenses is significantly reduced；
4) method of the utility model eliminates second of borehole cleaning using technical solution of the bottom hole without sediment is ensured before grouting
The a large amount of new mud supplements needed and activity duration, the old mud of secondary pile hole cleaning discharge is also eliminated, to reduce environment dirt
Dye, keeps operating environment more environmentally protective.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of upper plenum cylinder；
Fig. 2 is the structural schematic diagram of lower cavity cylinder；
Fig. 3 is the separate structure schematic diagram of ejector；
Fig. 4 is the overall structure diagram of eject hydraulic pressure slag cleaning device；
Fig. 5 is self-locking device locking state local nodes enlarged drawing；
Fig. 6 is that eject hydraulic pressure slag cleaning device closes shape body schematic diagram；
Fig. 7 is eject hydraulic pressure slag cleaning device open shape body schematic diagram.
In figure: upper plenum cylinder 1, upper plenum cylindrical solid 11, upper closing disk 12, movable latch connector a13, self-locking dress
Set 14, holddown spring 141, locking bar 142, strut mounting hole 15, lower part in-flanges 16；Lower cavity cylinder 2, lower cavity cylindrical solid
21, lower closing disk 22, movable latch connector b23, bolt box a24, bolt box b25, top flanging 26, installation
Seat 27；Ejector 3, upper rack posts 31, reserved side opening 32, lower fulcrum bar 33, spring a34, spring b35.
Specific embodiment
The present invention will be further described with example with reference to the accompanying drawing.
The utility model is intended to provide a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device and its construction method.
As shown in figs. 1-7, a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device of the utility model, including upper plenum circle
Column 1, lower cavity cylinder 2 and ejector 3, the upper plenum cylinder 1 include upper plenum cylindrical solid 11, upper plenum cylindrical solid 11
Upper surface is equipped with upper closing disk 12, lower part is equipped with self-locking device 14 and strut mounting hole 15；Lower cavity cylinder 2 includes lower cavity circle
Column entity 21, lower 21 lower surface of cavity cylindrical solid are equipped with lower closing disk 22, lower 21 two sides upper and lower position of cavity cylindrical solid
It is symmetrically arranged with bolt box a24 and bolt box b25；Ejector 3 includes pedestal and the lower fulcrum bar 33 being set on the base,
It is arranged upper rack posts 31 on lower fulcrum bar 33, reserved side opening 32 is equipped on the outside of upper rack posts 31, upper rack posts 31 are equipped with spring a34, lower branch
Bar 33 is equipped with spring b35, and it is pre- that upper rack posts 31 sequentially pass through bolt box b25, strut mounting hole 15 and bolt from the bottom up
The a24 that boxes out connects upper plenum cylinder 1 and lower cavity cylinder 2, and is connected and fixed by self-locking device 14 and reserved side opening 32.
As shown, upper plenum cylindrical solid 11 is cavity type cylindrical body, upper part opening is parallel closing, cavity type
The gap spacing of the bottom fold inward composition lower part in-flanges 16 of cylindrical body, lower part in-flanges 16 and cylindrical sidewall is greater than upper
The thickness of cavity cylindrical solid 11；Lower cavity cylindrical solid 21 is cavity type cylindrical body, and the top of cavity type cylindrical body is turned-out
Folding constitutes top flanging 26, and top flanging 26 is greater than the thickness of lower cavity cylindrical solid 21 with the gap spacing of cylindrical sidewall
Degree, lower part in-flanges 16 and the mutual latch closure of top flanging 26 cooperate；11 side wall corresponding position of upper plenum cylindrical solid is equipped with and opens
Hole, aperture are located at 15 side of strut mounting hole, and self-locking device 14 includes holddown spring 141 and locking bar 142, the diameter of locking bar 142
It is matched with the internal diameter of reserved side opening 32,141 one end of holddown spring is fixed in aperture, and the other end is connect with locking bar 142, compresses bullet
When spring 141 is in normal condition, the total length of holddown spring 141 and locking bar 142 is greater than 11 side wall of upper plenum cylindrical solid and branch
The distance between bar mounting hole 15；The radius of the upper opening of upper plenum cylindrical solid 11 is 0.5-0.8 times of cylinder radius,
Preferably 0.67 times；Upper 12 size of closing disk is matched with upper opening size, and upper 12 side of closing disk has outwardly protruding rectangular
Body attachment device is reserved with circular hole in cuboid center side, by pin connection 11 top of upper plenum cylindrical solid setting
Movable latch connector a13.
As shown, lower 21 bottom of cavity cylindrical solid is equipped with mounting base 27, it is arranged on spring b35 by mounting base 27
Side, mounting base 27 is interior to be equipped with opening, and lower closing disk 22 is arranged in mounting base 27 and matches with opening；B25 pairs of bolt box
Claim to be arranged in 27 two sides of mounting base, bolt box a24 is symmetricly set on 26 bottom of top flanging of lower cavity cylindrical solid 21
Face two sides, and bolt box a24, strut mounting hole 15 and the position bolt box b25 are corresponding, the bolt box a24
For blind hole, aperture is less than the thickness of the top flanging 26 of lower cavity cylindrical solid 21, hole depth 20-30mm；The mounting base
27 be hollow disk, and the exradius of hollow disk and lower 21 radius ratio of cavity cylindrical solid are 1.1-1.3:1, preferably 1.2:
1, the inner circle radius of hollow disk and lower 21 radius ratio of cavity cylindrical solid are 0.3-0.4:1, preferably 0.33:1, hollow disk
Inner circle size matched with lower closing disk 22, there is outwardly protruding rectangle attachment device in lower 22 side of closing disk, in cuboid
Center side is reserved with circular hole, connects mounting base 27 by pin.
For the ease of unlocking self-locking device 14 smoothly, 142 outer end of locking bar is set as downward ramped shaped by the utility model
Structure, 33 upper end of lower fulcrum bar are equipped with matched hill-like structure, when lower fulcrum bar 33 up moves to 142 outer end of locking bar, can push
Locking bar 142 moves, and locking bar 142 is exited from reserved side opening 32, the gradient is preferably 45 °.
In order to improve ease of use, the utility model is respectively equipped with circular gasket at the both ends of spring a34, spring b35,
It is matched together with spring, the spring is looped around on corresponding strut, and the radius and circle number of spring meet superstructure
The requirement of pop-up.
The upper closing disk 12 of the utility model is identical with lower 22 structure of closing disk, is cake shape, preferably 0.8-1.5mm
Thick steel plate.
As shown, the construction method of the cast-in-situ bored pile eject hydraulic pressure slag cleaning device of the utility model, including it is as follows
Step:
1) before use, upper plenum cylinder 1 to be first compressed to the bottom of lower cavity cylinder 2, make the ejection of self-locking device 14 under
The reserved side opening 32 of the upper rack posts 31 of 2 downside of cavity cylinder, whole device are in compression lock state；
2) A-frame is set up, guarantees that eject hydraulic pressure slag cleaning device is transferred along steel reinforcement cage center, utilizes the dress
Own wt is set, is at the uniform velocity transferred along center to bottom；
3) when whole device is transferred to stake holes bottom, ejector 3 will be kept out stopping by bottom rock-soil and move down, and on
Part device is since the effect of inertia of gravity will continue to move down, when the slope at 33 top of lower fulcrum bar touches self-locking device 14
Locking bar 142 slope and when continuing up, locking bar 142 is ejected the reserved side opening 32 of upper rack posts 31, and self-locking device 14 is beaten
Open, spring a34 elastic force effect under upper plenum cylinder 1 pop up, moved on upper plenum cylinder 1 lower part in-flanges 16 with it is upper
The mutual latch closure of portion's flanging 26 is fixed when cooperating；Increase suddenly with the cavity volume of whole device, inside and outside generation differential water pressures, utilizes
External pressure is greater than internal pressure principle, and lower closing disk 22 opens, lower part sediment sucked together with water flow upper plenum cylinder 1 and under
Inside cavity cylinder 2；
4) manually by the whole vertical proposition stake holes of device, under pressure and gravity, upper closing disk 12 and lower closing disk
22 cover, and sediment is taken out of together with water flow pours into process container device, clean out rear repetitive operation, and sediment is all taken out,
Realize quick scarfing cinder.
Claims (9)
1. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device, it is characterised in that including upper plenum cylinder (1), lower cavity cylinder
(2) and ejector (3), the upper plenum cylinder (1) include upper plenum cylindrical solid (11), table in upper plenum cylindrical solid (11)
Face is equipped with upper closing disk (12), lower part is equipped with self-locking device (14) and strut mounting hole (15)；Lower cavity cylinder (2) includes lower sky
Chamber cylindrical solid (21), lower cavity cylindrical solid (21) lower surface are equipped with lower closing disk (22), lower cavity cylindrical solid (21) two
Side upper and lower position is symmetrically arranged with bolt box a(24) and bolt box b(25)；Ejector (3) includes pedestal and setting
Lower fulcrum bar (33) on pedestal is arranged upper rack posts (31) on lower fulcrum bar (33), and reserved side opening is equipped on the outside of upper rack posts (31)
(32), upper rack posts (31) be equipped with spring a(34), lower fulcrum bar (33) be equipped with spring b(35), upper rack posts (31) from the bottom up according to
It is secondary to pass through bolt box b(25), strut mounting hole (15) and bolt box a(24) by upper plenum cylinder (1) and lower cavity
Cylinder (2) connection, and reserved side opening (32) is buckled by self-locking device (14) and is connected and fixed.
2. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 1, it is characterised in that upper plenum circle
Column entity (11) is cavity type cylindrical body, and upper part opening is parallel closing, the bottom fold inward structure of cavity type cylindrical body
At lower part in-flanges (16), the gap spacing of lower part in-flanges (16) and cylindrical sidewall is greater than upper plenum cylindrical solid (11)
Thickness；Lower cavity cylindrical solid (21) is cavity type cylindrical body, and the top of cavity type cylindrical body turns down composition top outward and turns up
The gap spacing of side (26), top flanging (26) and cylindrical sidewall is greater than the thickness of lower cavity cylindrical solid (21), lower part
In-flanges (16) and top flanging (26) mutually latch closure cooperate.
3. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 1, it is characterised in that upper plenum circle
Column entity (11) side wall corresponding position is equipped with aperture, and aperture is located at strut mounting hole (15) side, and self-locking device (14) includes pressure
Tight spring (141) and locking bar (142), holddown spring (141) one end are fixed in aperture, and the other end is connect with locking bar (142), pressure
When tight spring (141) is in normal condition, the total length of holddown spring (141) and locking bar (142) is greater than upper plenum cylindrical solid
(11) diameter of the distance between side wall and strut mounting hole (15), locking bar (142) is matched with the internal diameter of reserved side opening (32).
4. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 2, it is characterised in that lower cavity circle
Column entity (21) bottom is equipped with mounting base (27), through mounting base (27) setting above spring b(35), sets in mounting base (27)
There is opening, lower closing disk (22) is arranged on mounting base (27) and matches with opening.
5. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 4, it is characterised in that bolt is reserved
Hole b(25) it is symmetricly set on mounting base (27) two sides, bolt box a(24) it is symmetricly set on lower cavity cylindrical solid (21)
Top flanging (26) bottom surface both side, and bolt box a(24), strut mounting hole (15) and bolt box b(25) position
It is corresponding, the bolt box a(24) it is blind hole, aperture is less than the thickness of the top flanging (26) of lower cavity cylindrical solid (21)
Degree, hole depth 20-30mm.
6. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 2, it is characterised in that upper plenum circle
The radius of the upper opening of column entity (11) is 0.5-0.8 times of cylinder radius, upper closing disk (12) size and upper opening
Size matching, there is outwardly protruding cuboid attachment device in upper closing disk (12) side, is reserved with circle in cuboid center side
Shape hole, by the movable latch connector a(13 of pin connection upper plenum cylindrical solid (11) top setting).
7. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 4, it is characterised in that mounting base
It (27) is hollow disk, the exradius of hollow disk and lower cavity cylindrical solid (21) radius ratio are 1.1-1.3:1, open circles
The inner circle radius of disk and lower cavity cylindrical solid (21) radius ratio are 0.3-0.4:1, the inner circle size of hollow disk and lower dome
Plate (22) matching, there is outwardly protruding rectangle attachment device in lower closing disk (22) side, is reserved in cuboid center side
Circular hole connects mounting base (27) by pin.
8. a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 3, it is characterised in that locking bar (142)
Outer end is set as downward hill-like structure, and lower fulcrum bar (33) upper end is equipped with matched hill-like structure, and lower fulcrum bar (33) is up transported
When moving to locking bar (142) outer end, locking bar (142) can be pushed to move, locking bar (142) is exited from reserved side opening (32).
9. -8 any a kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device according to claim 1, it is characterised in that bullet
Spring a(34), spring b(35) both ends be respectively equipped with circular gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086951.5U CN208534435U (en) | 2018-07-10 | 2018-07-10 | A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821086951.5U CN208534435U (en) | 2018-07-10 | 2018-07-10 | A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device |
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| Publication Number | Publication Date |
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| CN208534435U true CN208534435U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798566A (en) * | 2018-07-10 | 2018-11-13 | 浙江新盛建设集团有限公司 | A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device and its construction method |
-
2018
- 2018-07-10 CN CN201821086951.5U patent/CN208534435U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798566A (en) * | 2018-07-10 | 2018-11-13 | 浙江新盛建设集团有限公司 | A kind of cast-in-situ bored pile eject hydraulic pressure slag cleaning device and its construction method |
| CN108798566B (en) * | 2018-07-10 | 2024-03-26 | 浙江新盛建设集团有限公司 | Self-elastic hydraulic slag removing device for bored pile and construction method thereof |
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