CN206859224U - The slag cleaning device of the dry pore-forming of rotary digging stake - Google Patents
The slag cleaning device of the dry pore-forming of rotary digging stake Download PDFInfo
- Publication number
- CN206859224U CN206859224U CN201720657363.1U CN201720657363U CN206859224U CN 206859224 U CN206859224 U CN 206859224U CN 201720657363 U CN201720657363 U CN 201720657363U CN 206859224 U CN206859224 U CN 206859224U
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- Prior art keywords
- slag
- rotating shaft
- sedimentation basin
- sediment
- cleaning device
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Abstract
The utility model discloses a kind of slag cleaning device of the dry pore-forming of rotary digging stake, it is related to rotary digging stake sediment cleaning equipment, it is desirable to provide a kind of slag cleaning device of the dry pore-forming of rotary digging stake, there is the advantages of replacing worker's lower opening cleaning sediment, its drip irrigation device is：Disintegrating slag component including stretching into the rotating shaft in stake holes, by rotating fragmentation sediment, extract from stake holes by negative pressure the slag absorbing component of sediment after fragmentation out and the motor of power is provided for disintegrating slag component, by setting fixing frame plate on the ground, from the ground, the motor is arranged in fixed plate and drive shaft rotates for the rotating shaft.
Description
Technical field
Rotary digging stake sediment cleaning equipment is the utility model is related to, more particularly to a kind of slag cleaning device of the dry pore-forming of rotary digging stake.
Background technology
Rotary digging stake is mainly used in clay, silt, sand, muck soil, artificial backfill and contains part cobble, rubble
Stratum.Rotary drilling rig and construction technology have been obtained for popularizing in the northern area of China.
Using mechanical rotary digging pile driving construction, the sediment at its bottom has the characteristics of low intensity, compressibility is high, and sediment is too thick to be made
The bearing capacity of stake reduces and is unsatisfactory for design requirement, if being not added with the performance that cleaning can influence the bearing capacity on basis, threatens top
The safety of structure, cause irremediable economic loss.At present in pile bottom sediment processing procedure, there are the feelings using manual cleaning
Condition, task difficulty is big, dangerous high, easily goes out security incident.
Utility model content
The purpose of this utility model is to provide a kind of slag cleaning device of the dry pore-forming of rotary digging stake, has and replaces worker's lower opening to clear up
The advantages of sediment.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of dry pore-forming of rotary digging stake
Slag cleaning device, including stretch into stake holes rotating shaft, the disintegrating slag component by rotating fragmentation sediment, taken out from stake holes by negative pressure
Go out the slag absorbing component of sediment after fragmentation and the motor of power is provided for disintegrating slag component, the rotating shaft is by setting consolidating on the ground
Fixed board frame is from the ground, and the motor is arranged in fixed plate and drive shaft rotates.
By using above-mentioned technical proposal, bull stick is stretched into stake holes, rotating shaft is driven by motor so that rotating shaft is in stake holes
Interior rotation, the disintegrating slag component of rotating shaft one end is arranged on axis of rotation and then will be crushed positioned at the sediment of stake holes bottom, slag absorbing
Component suctions out the sediment in stake holes outside stake holes after disintegrating slag component is stopped, and it is heavy now to be cleared up instead of worker's lower opening
Slag.
The utility model is further set to：The disintegrating slag component includes the rotating vane being circumferentially provided on rotating shaft outer wall, described
Rotating vane is provided with blade towards stake holes bottom angled, the rotating vane outer end.
By using above-mentioned technical proposal, rotating vane will be to larger sediment progress powder with blade when axis of rotation
It is broken, it is easy to slag absorbing component to absorb and discharge sediment.
The utility model is further set to：One end that the rotating shaft is located in stake holes is provided with the inserted link of back taper.
By using above-mentioned technical proposal, inserted link inserted link of back taper in axis of rotation is easily inserted in sediment, is beneficial to
The crushing of sediment.
The utility model is further set to：The slag absorbing component include opened up along shaft axis slag absorbing chamber, along perpendicular to
The slag absorbing hole that shaft axis direction is arranged in rotating shaft and connected with slag absorbing chamber, the slag absorbing hole are arranged on rotating shaft and entered in stake holes
One end, the one end of the rotating shaft away from slag absorbing hole is provided with connecting hole, and the both ends of the connecting hole are respectively with slag absorbing chamber and being connected
Pipe is connected, and the connecting tube is connected in rotating shaft by ring flange, and the connecting tube is provided with pump, the delivery port connection of the pump
There is outlet pipe.
By using above-mentioned technical proposal, when needing the sediment in stake holes being discharged to outside stake holes, by pump by stake holes
Sediment liquid suction slag absorbing intracavitary, and discharged out of connecting hole, until can not arrange sediment liquid from connecting hole, connecting tube passed through into method
Blue disk is connected with connecting hole so that when rotating, connecting tube is not connected with rotating shaft for rotating shaft, and then is reduced connecting tube countershaft and rotated
Caused influence.
The utility model is further set to：The bottom of chamber of the slag absorbing chamber, which is provided with, extends rotating shaft towards stake holes bottom side
Take out bottom outlet.
By using above-mentioned technical proposal, take out bottom outlet and the sediment liquid positioned at rotating shaft bottom is also drawn onto slag absorbing intracavitary, enter one
Step reduces the amount for being accumulated in sediment liquid in stake holes.
The utility model is further set to：The one end of the outlet pipe away from pump is communicated with sedimentation basin, in the sedimentation basin
The screen pack of covering cell mouth is removably connected with, the screen pack is arranged on the position more than in the middle part of sedimentation basin.
By using above-mentioned technical proposal, when sediment liquid is discharged into sedimentation basin by outlet pipe, the filtering in sedimentation basin
Impurity in sediment liquid is blocked in screen pack upper end by net so that the water after filtering is accumulated in sedimentation basin bottom, after filtering
Water be used again, saved water resource, screen pack be arranged on the position more than in the middle part of sedimentation basin, increased in sedimentation basin
The accumulation volume of water, it is easy to store more water, pulls down screen pack out of sedimentation basin when the impurity on screen pack is more, with
It is easy to clean.
The utility model is further set to：One is set to contradict connection frame, the company with sedimentation basin inwall in the sedimentation basin
The support block being fixedly installed on frame for holding screen pack is connect, several and sedimentation basin pond are threadedly coupled in the connection frame circumference
The threaded rod of bottom rotation connection.
By using above-mentioned technical proposal, threaded rod is rotated, connection frame will be moved along threaded rod length direction, and now propped up
Block supports screen pack so that screen pack moves along threaded rod, until screen pack is moved in and out into sedimentation basin, is easy to
Filter screen is dismantled out of sedimentation basin.
The utility model is further set to：The sedimentation basin is connected with drainpipe in the lower end of screen pack.
By using above-mentioned technical proposal, drainpipe is beneficial to the discharge of precipitation pool inner water so that more sediment liquid enter
Filtered in sedimentation basin.
In summary, the utility model has the advantages that：After rotating shaft enters in stake holes, disintegrating slag component is by stake holes
Larger sediment crush, the sediment liquid in stake holes is sucked into outside stake holes beneficial to slag absorbing component, cleared up instead of worker in stake holes
Sediment.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the internal structure schematic diagram for being used to embody rotating shaft of the present embodiment；
Fig. 3 is the structural representation for being used to embody rotating shaft of the present embodiment；
Fig. 4 is the structural representation for being used to embody sedimentation basin of the present embodiment；
Fig. 5 is the present embodiment for embodying the structural representation that connecting tube is flexible pipe；
Fig. 6 is the connection relationship diagram for being used to embody threaded rod and sedimentation basin of the present embodiment.
In figure, 1, stake holes；11st, rotating shaft；12nd, rotating vane；121st, blade；13rd, inserted link；14th, slag absorbing chamber；141st, bottom outlet is taken out；15、
Slag absorbing hole；16th, connecting hole；17th, ring flange；18th, connecting tube；181st, pump；182nd, outlet pipe；183rd, sedimentation basin；184th, screen pack；
185th, support block；186th, frame is connected；187th, threaded rod；188th, drainpipe；189th, rotating ball；2nd, fixed plate；21st, motor.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of slag cleaning device of the dry pore-forming of rotary digging stake, the agent structure of the present apparatus are：
Such as Fig. 1 and Fig. 2, including stretch into stake holes 1 rotating shaft 11, the disintegrating slag component by rotating fragmentation sediment, by negative
Press and extract the slag absorbing component of sediment after fragmentation out from stake holes 1 and the motor 21 of power is provided for disintegrating slag component, rotating shaft 11 is by setting
Put the frame of fixed plate 2 on the ground from the ground, after stretching into stake holes 1, the lower end of rotating shaft 11 enters the heavy of the bottom of stake holes 1 for rotating shaft 11
In slag liquid, now disintegrating slag component is also in sediment liquid, and rotating shaft 11 is by the Driven by Coaxial of motor 21 being fixed in fixed plate 2, motor
When 21 drive shafts 11 rotate, disintegrating slag component blends the larger impurity in sediment liquid so that slag absorbing component is inhaling sediment liquid
When impurity is suctioned out out of stake holes 1, to replace worker to clear up sediment in stake holes 1, and ensure construction operation security.
Such as Fig. 2, rotating shaft 11 can also connect another rotating shaft 11 by mounting flange, and then cause the length of rotating shaft 11
Increase, to adapt to the stake holes 1 of different depth, when rotating shaft 11 is inserted in sediment liquid, one end that rotating shaft 11 is located in stake holes 1 is provided with
The inserted link 13 of back taper, enter beneficial to rotating shaft 11 in sediment liquid.
Such as Fig. 2 and Fig. 3, disintegrating slag component includes 6 rotating vanes 12 being circumferentially provided on the outer wall of rotating shaft 11, and rotating vane 12 is towards stake holes
1 bottom angled, the outer end of rotating vane 12 are provided with blade 121 so that rotating shaft 11 drives rotating vane 12 to rotate when rotating, now blade 121
Make fragmentation of the disintegrating slag component to sediment better.
Such as Fig. 2, after the sediment in sediment liquid is blended, the sediment liquid in stake holes 1 is discharged into stake holes 1 by slag absorbing component
Outside, thus slag absorbing component include opened up along the axis of rotating shaft 11 slag absorbing chamber 14, along perpendicular to the axis direction of rotating shaft 11 be arranged on turn
Slag absorbing hole 15 on axle 11, slag absorbing hole 15 connect with slag absorbing chamber 14, and slag absorbing hole 15 is arranged on the lower end of rotating shaft 11, and is grown along rotating shaft 11
It is evenly distributed to spend direction, the one end of rotating shaft 11 away from slag absorbing hole 15 is provided with connecting hole 16, the both ends of connecting hole 16 respectively with slag absorbing
Chamber 14 connects with connecting tube 18, and connecting tube 18 is provided with pump 181, and the delivery port of pump 181 is connected with outlet pipe 182.Utilize pump 181
Sediment liquid in stake holes 1 is extracted out, until not going out sediment liquid from the row of outlet pipe 182.When rotating shaft 11 rotates, pass through ring flange 17
Connecting tube 18 is fixed in rotating shaft 11, is easy to connecting tube 18 to be pulled down from rotating shaft 11 so that rotating shaft 11 is when rotating, connecting tube
18 are not connected with rotating shaft 11, and then avoid the countershaft 11 of connecting tube 18 from being hindered caused by rotating.
Such as Fig. 5, this outer connecting pipe 18 can also be flexible pipe, and connecting tube 18 has enough length, can be with rotating shaft 11
Rotate and be wound in connecting tube 18, reduce obstruction caused by the countershaft 11 of connecting tube 18 rotates.While in order to reduce connecting tube
18 are wrapped in the length in rotating shaft 11, and motor 21 is changed to positive and negative 180 degree rotation from single direction rotation before, and drives rotating shaft 11 to exist
Also positive and negative 180 degree rotates in sediment liquid, the positive and negative rotation in sediment liquid of now rotating shaft 11, will be heavy in sediment liquid beneficial to rotating vane 12
Slag fragmentation.
Such as Fig. 2 and Fig. 3, the bottom of chamber of slag absorbing chamber 14, which is provided with, in addition some extends rotating shaft 11 towards the bottom side of stake holes 1
Bottom outlet 141 is taken out, the inlets even for taking out bottom outlet 141 is distributed in the periphery of inserted link 13, takes out bottom outlet 141 by positioned at the heavy of the bottom of rotating shaft 11
Slag liquid is also drawn onto in slag absorbing chamber 14, further reduces the amount for being accumulated in sediment liquid in stake holes 1.
Such as Fig. 1 and Fig. 4, after sediment liquid is extracted out out of stake holes 1, sediment liquid is drained into sedimentation basin 183 by outlet pipe 182, is gone out
Water pipe 182 is arranged on the upper end of sedimentation basin 183, and the screen pack 184 of covering cell mouth is connected with sedimentation basin 183, by sediment liquid
Impurity be blocked in the upper end of screen pack 184, the water after being filtered is stored in sedimentation basin 183.It is to increase sedimentation basin simultaneously
The accumulation volume of water in 183, screen pack 184 is arranged on the position more than middle part of sedimentation basin 183.
Such as Fig. 1 and Fig. 4, after such scheme, also screen pack 184 is detachably connected in sedimentation basin 183, was convenient to clean
Impurity on filter screen 184.Specially set one to contradict connection frame 186 with the inwall of sedimentation basin 183 in sedimentation basin 183, connect frame
The support block 185 for holding screen pack 184 is fixedly installed on 186,4 threaded rods are threadedly coupled in the connection circumference of frame 186
187,4 threaded rods 187 are oppositely arranged two-by-two, and the one end of threaded rod 187 is by being embedded the rotating ball 189 in the bottom of pond of sedimentation basin 183
The bottom of pond of sedimentation basin 183 is rotatably connected on, the other end stretches out the pond confession operator of sedimentation basin 183 and rotated（Such as Fig. 6）, rotating ball 189
Diameter be more than threaded rod 187 diameter so that threaded rod 187 rotate when be not easy to separate with the bottom of pond of sedimentation basin 183, rotate spiral shell
Rasp bar 187, each support block 185 is simultaneously mobile, reduces screen pack 184 and is tilted in lifting process.Can by threaded rod 187 with
Support block 185 is threadedly coupled, and rotates threaded rod 187, and support block 185 is wholely set with being connected frame 186, realizes connection frame 186
Integral elevating, meet the needs of adjusting 184 height of screen pack, may be used also while being easy to screen pack 184 to be dismantled out of sedimentation basin 183
When the water content of sediment liquid is less, sediment is more, by reducing the height of screen pack 184, to realize that further amounts of sediment is deposited
Store up, water content is larger then conversely, improving the height of screen pack 184 in sediment liquid.
Such as Fig. 4, sedimentation basin 183 is connected with drainpipe 188 in the lower end of screen pack 184, and drainpipe 188 is close to sedimentation basin
183 bottom of pond is set, and drainpipe 188 is beneficial to the discharge of water in sedimentation basin 183 so that more sediment liquid enter sedimentation basin 183
Inside filtered.
Specific operation process：When needing to clear up the sediment liquid in stake holes 1, rotating shaft 11 is stretched into by stake holes by engineering crane
In sediment liquid in 1, the drive shaft 11 of motor 21 rotates so that the rotating vane 12 of the lower end of rotating shaft 11 will sink also with rotation
Larger sediment blends in slag liquid, then stops motor 21 and works, connecting tube 18 can be connected into rotating shaft by ring flange 17
On 11, pump 181, which is started working, make it that sediment liquid is sucked in slag absorbing chamber 14 out of slag absorbing hole 15 in stake holes 1, and then passes through connecting tube
18 and outlet pipe 182 enter sedimentation basin 183 in, the sediment in sediment liquid is blocked in filtering by the screen pack 184 in sedimentation basin 183
The upper end of net 184, the water after being filtered, which enters in the sedimentation basin 183 of the lower end of screen pack 184, to be accumulated, until outlet pipe 182
It is interior to be discharged without sediment liquid, illustrate that the sediment liquid in stake holes 1 has been discharged to outside stake holes 1, sediment is cleared up instead of worker's lower opening.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
- A kind of 1. slag cleaning device of the dry pore-forming of rotary digging stake, it is characterised in that：Including stretching into stake holes（1）Interior rotating shaft（11）, pass through Rotate the disintegrating slag component of fragmentation sediment, by negative pressure from stake holes（1）The slag absorbing component of sediment and be disintegrating slag after middle extraction fragmentation Component provides the motor of power（21）, the rotating shaft（11）By setting fixed plate on the ground（2）Frame is described from the ground Motor（21）It is arranged on fixed plate（2）Upper and drive shaft（11）Rotate.
- 2. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 1, it is characterised in that：The disintegrating slag component includes week To being arranged on rotating shaft（11）Rotating vane on outer wall（12）, the rotating vane（12）Towards stake holes（1）Bottom angled, the rotating vane（12）Outside End is provided with blade（121）.
- 3. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 2, it is characterised in that：The rotating shaft（11）Positioned at stake Hole（1）Interior one end is provided with the inserted link of back taper（13）.
- 4. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 1, it is characterised in that：The slag absorbing component includes edge Rotating shaft（11）The slag absorbing chamber that axis opens up（14）, along perpendicular to rotating shaft（11）Axis direction is arranged on rotating shaft（11）Upper and and slag absorbing Chamber（14）The slag absorbing hole of connection（15）, the slag absorbing hole（15）It is arranged on rotating shaft（11）Into stake holes（1）Interior one end, described turn Axle（11）Away from slag absorbing hole（15）One end be provided with connecting hole（16）, the connecting hole（16）Both ends respectively with slag absorbing chamber（14） And connecting tube（18）Connection, the connecting tube（18）Pass through ring flange（17）It is connected to rotating shaft（11）On, the connecting tube（18） It is provided with pump（181）, the pump（181）Delivery port be connected with outlet pipe（182）.
- 5. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 4, it is characterised in that：The slag absorbing chamber（14）Chamber Bottom, which is provided with, extends rotating shaft（11）Towards stake holes（1）Bottom side takes out bottom outlet（141）.
- 6. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 4, it is characterised in that：The outlet pipe（182）Far From pump（181）One end be communicated with sedimentation basin（183）, the sedimentation basin（183）Inside it is removably connected with the filtering of covering cell mouth Net（184）, the screen pack（184）It is arranged on sedimentation basin（183）Position more than middle part.
- 7. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 6, it is characterised in that：The sedimentation basin（183）It is interior One and sedimentation basin are set（183）Inwall contradicts connection frame（186）, the connection frame（186）On be fixedly installed for holding filtering Net（184）Support block（185）, the connection frame（186）Several and sedimentation basin are threadedly coupled in circumference（183）Bottom of pond rotates The threaded rod of connection（187）.
- 8. the slag cleaning device of the dry pore-forming of rotary digging stake according to claim 6, it is characterised in that：The sedimentation basin（183） Screen pack（184）Lower end be connected with drainpipe（188）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657363.1U CN206859224U (en) | 2017-06-07 | 2017-06-07 | The slag cleaning device of the dry pore-forming of rotary digging stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720657363.1U CN206859224U (en) | 2017-06-07 | 2017-06-07 | The slag cleaning device of the dry pore-forming of rotary digging stake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206859224U true CN206859224U (en) | 2018-01-09 |
Family
ID=60831433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720657363.1U Expired - Fee Related CN206859224U (en) | 2017-06-07 | 2017-06-07 | The slag cleaning device of the dry pore-forming of rotary digging stake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206859224U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109183797A (en) * | 2018-10-20 | 2019-01-11 | 四川志德公路工程有限责任公司 | A kind of pile foundation hole cleaning device and technique |
| CN110747856A (en) * | 2019-11-15 | 2020-02-04 | 甘肃中建市政工程勘察设计研究院有限公司 | Device and method for scattering residue soil in pile hole of viscous deficient soil |
| CN110820744A (en) * | 2019-11-15 | 2020-02-21 | 甘肃中建市政工程勘察设计研究院有限公司 | Soil suction machine for residual soil in pile hole and residual soil suction method |
| CN110984889A (en) * | 2019-12-10 | 2020-04-10 | 宣城市政建设集团有限公司 | Cast-in-place pile construction is with clear hole device in back of drilling |
| CN112605073A (en) * | 2020-12-18 | 2021-04-06 | 常德市两栖建筑工程有限公司 | Drilling machine pore-forming underwater perfusion cleaning device |
| CN113338287A (en) * | 2021-05-08 | 2021-09-03 | 浙江中正岩土技术有限公司 | Pile hole slag removal device for cast-in-situ bored pile |
| WO2022095880A1 (en) * | 2020-11-06 | 2022-05-12 | 中国港湾工程有限责任公司 | Hole sweeping apparatus for steel protective cylinder of cast-in-place pile |
| CN115163008A (en) * | 2022-07-15 | 2022-10-11 | 河北省地质矿产勘查开发局国土资源勘查中心(河北省矿山和地质灾害应急救援中心) | Rope pump type bottom circulation bottom hole slag removing equipment |
| CN117431942A (en) * | 2023-12-20 | 2024-01-23 | 立焱建设工程(江苏)有限公司 | Hydraulic engineering pile bottom sediment cleaning device and application method thereof |
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2017
- 2017-06-07 CN CN201720657363.1U patent/CN206859224U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109183797A (en) * | 2018-10-20 | 2019-01-11 | 四川志德公路工程有限责任公司 | A kind of pile foundation hole cleaning device and technique |
| CN109183797B (en) * | 2018-10-20 | 2020-08-21 | 四川志德公路工程有限责任公司 | Pile foundation hole cleaning device and process |
| CN110747856A (en) * | 2019-11-15 | 2020-02-04 | 甘肃中建市政工程勘察设计研究院有限公司 | Device and method for scattering residue soil in pile hole of viscous deficient soil |
| CN110820744A (en) * | 2019-11-15 | 2020-02-21 | 甘肃中建市政工程勘察设计研究院有限公司 | Soil suction machine for residual soil in pile hole and residual soil suction method |
| CN110820744B (en) * | 2019-11-15 | 2024-08-30 | 甘肃中建市政工程勘察设计研究院有限公司 | Residue soil suction machine in pile hole and residue soil suction method |
| CN110747856B (en) * | 2019-11-15 | 2024-04-05 | 甘肃中建市政工程勘察设计研究院有限公司 | Device and method for scattering cohesive virtual soil pile hole muck |
| CN110984889A (en) * | 2019-12-10 | 2020-04-10 | 宣城市政建设集团有限公司 | Cast-in-place pile construction is with clear hole device in back of drilling |
| CN110984889B (en) * | 2019-12-10 | 2021-11-16 | 宣城市政建设集团有限公司 | Cast-in-place pile construction is with clear hole device in back of drilling |
| WO2022095880A1 (en) * | 2020-11-06 | 2022-05-12 | 中国港湾工程有限责任公司 | Hole sweeping apparatus for steel protective cylinder of cast-in-place pile |
| CN112605073A (en) * | 2020-12-18 | 2021-04-06 | 常德市两栖建筑工程有限公司 | Drilling machine pore-forming underwater perfusion cleaning device |
| CN113338287B (en) * | 2021-05-08 | 2022-05-13 | 浙江中正岩土技术有限公司 | Pile hole slag removal device for cast-in-situ bored pile |
| CN113338287A (en) * | 2021-05-08 | 2021-09-03 | 浙江中正岩土技术有限公司 | Pile hole slag removal device for cast-in-situ bored pile |
| CN115163008A (en) * | 2022-07-15 | 2022-10-11 | 河北省地质矿产勘查开发局国土资源勘查中心(河北省矿山和地质灾害应急救援中心) | Rope pump type bottom circulation bottom hole slag removing equipment |
| CN115163008B (en) * | 2022-07-15 | 2024-03-08 | 河北省地质矿产勘查开发局国土资源勘查中心(河北省矿山和地质灾害应急救援中心) | Rope pump type bottom hole circulating bottom hole slag dragging equipment |
| CN117431942A (en) * | 2023-12-20 | 2024-01-23 | 立焱建设工程(江苏)有限公司 | Hydraulic engineering pile bottom sediment cleaning device and application method thereof |
| CN117431942B (en) * | 2023-12-20 | 2024-03-08 | 立焱建设工程(江苏)有限公司 | Hydraulic engineering pile bottom sediment cleaning device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20190607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |