CN110468827A - It is bored for the jet nozzle of slip casting and slip casting - Google Patents
It is bored for the jet nozzle of slip casting and slip casting Download PDFInfo
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- CN110468827A CN110468827A CN201910779039.0A CN201910779039A CN110468827A CN 110468827 A CN110468827 A CN 110468827A CN 201910779039 A CN201910779039 A CN 201910779039A CN 110468827 A CN110468827 A CN 110468827A
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- Prior art keywords
- jet
- slip casting
- jet nozzle
- spray chamber
- diameter
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 64
- 239000007921 spray Substances 0.000 claims abstract description 65
- 238000005553 drilling Methods 0.000 claims abstract description 57
- 238000003825 pressing Methods 0.000 claims description 13
- 239000002002 slurry Substances 0.000 abstract description 15
- 239000002689 soil Substances 0.000 abstract description 10
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000151 deposition Methods 0.000 abstract description 4
- 239000004570 mortar (masonry) Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000011796 hollow space material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
Abstract
The invention belongs to Construction of Civil Engineering fixture technology fields, a kind of jet nozzle for slip casting, including spray chamber are disclosed, the spray chamber is the different cone-shaped hole of both ends diameter, wherein the relatively outside diameter of spray chamber is 2.9~3.1mm, and the taper of spray chamber is 0.059~0.07.Also disclose a kind of slip casting brill, including drilling rod and the jet nozzle for being previously described for slip casting, the ontology of the drilling rod is hollow circular tube shape, drilling rod outer surface has jet flow groove, the hollow jet hole of setting connection drilling rod in the jet flow groove, jet nozzle is mounted in jet hole and the outer surface of non-bulging drilling rod ontology.It is bored using of the invention for the jet nozzle of slip casting and slip casting, the slurries of single-point slip casting form induration after condensing in the soil body have longer size and volume, and acquirement has preferable slip casting effect, better ensures that mortar depositing construction quality.
Description
Technical field
The invention belongs to Construction of Civil Engineering fixture technology fields, and in particular to a kind of jet nozzle and note for slip casting
Slurry bores.
Background technique
Slurry injection technique is widely used in each field such as traffic, building, municipal administration, mine engineering, and slip casting is exactly to be crept into slip casting
Slurries are injected among stratum in the form of certain pressure is by compacted, splitting, infiltration etc. while soil layer, thus to stratum into
The technology of row consolidation process.
In mortar depositing construction, among the general drilling rod insert into stratum using hollow tube production, it is arranged in drilling rod side wall
Then through-hole is conveyed slurries by the hollow space of drilling rod with certain pressure, then squeezes out from through-hole and penetrate into stratum
Among soil, after condensation, stratum will become than it is more closely knit before securely, can bear biggish power without sink or
Other variations of person.
It is smaller in the slurries range that same drill point is penetrated by drilling rod lateral through aperture but in existing slurry injection technique, In
It must arrange that closeer brill point carries out slip casting in the formation volumes to need reinforcement, be possible to reach requirement after solidification.The present invention
People's research is thought to increase the infiltration range of single-point slip casting by improving row grouting equipment, improve mortar depositing construction efficiency, and energy
Enough obtain preferable slip casting effect.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of jet nozzle for slip casting, including spray chamber, the spray chambers
For the different cone-shaped hole of both ends diameter, wherein the relatively outside diameter of spray chamber is 2.9~3.1mm, and the taper of spray chamber is 0.059
~0.07.
Preferably, diversion cavity is arranged in the end that is relatively large in diameter of the spray chamber, and the diameter of the diversion cavity is 8~11mm, water conservancy diversion
The depth of chamber is 0.4~0.6mm.
Preferably, the length of the spray chamber is 18.5mm.
Preferably, the spray chamber of the jet nozzle is relatively large in diameter the outer surface at end with external screw thread, spray chamber diameter small end
Outer surface be regular quadrangle cylinder or positive hexagonal column.
Preferably, the jet nozzle shape is cylinder, and spray chamber is relatively large in diameter the exterior cross-section of end diameter group small end
Size is big.
Preferably, the spray chamber is multiple.
The present invention also provides a kind of slip casting brills, including drilling rod and the above-mentioned jet nozzle for slip casting, the drilling rod
Ontology be hollow circular tube shape, drilling rod outer surface has jet flow groove, the hollow jet stream of setting connection drilling rod in the jet flow groove
Hole, jet nozzle is mounted in jet hole and the outer surface of non-bulging drilling rod ontology.
Preferably, the jet hole has internal screw thread, and the outer surface that the spray chamber of the jet nozzle is relatively large in diameter end has
External screw thread, the outer surface of spray chamber diameter small end are regular quadrangle cylinder or positive hexagonal column, the external screw thread of jet nozzle
It installs and connects with the screw-internal thread fit of jet hole.
It preferably, further include pressing plate and bolt, the jet nozzle shape is cylinder, and spray chamber is relatively large in diameter end diameter group
The exterior cross-section size of small end is big；Vacancy is smaller than sectional dimension at connection jet flow groove in the connection drilling rod of the jet hole, penetrates
Section and depth dimensions are not less than section and length dimension that jet nozzle is relatively large in diameter end at the connection jet flow groove of discharge orifice；Institute
State pressing plate and jet hole be correspondingly arranged through-hole, the sectional dimension of through-hole not less than jet nozzle diameter small end sectional dimension and
No more than the sectional dimension that jet nozzle is relatively large in diameter end, pressing plate is pressed on jet nozzle in jet hole, and pressing plate is with countersunk head spiral shell
Bolt is fixed in jet flow groove and the outer surface of non-bulging drilling rod ontology.
It preferably, further include at least a pair of of eccentric wheel, the eccentric wheel is mounted on the body tail section of drilling rod and drives in motor
Opposite direction rotation is done with same rotational speed under dynamic.
Preferably, the head of the drilling rod is taper bit.The jet hole being arranged in the jet flow groove is multiple.The brill
The jet flow groove of rod outer surface has multiple.
Of the invention bores for the jet nozzle of slip casting and slip casting, injected hole is arranged to a kind of spray chamber of taper, same
Under the grouting pressure of sample, this spray chamber shape is used for generated slurries jet stream initial velocity and kinetic energy when slip casting, can obtain more
Good infiltration effect and bigger infiltration range, the slurries of single-point slip casting, which form induration after condensing in the soil body, longer ruler
Very little and volume can reduce slip casting point layout density, can obtain preferable slip casting effect, better ensure that mortar depositing construction matter
Amount.
Detailed description of the invention
Fig. 1 is one sectional front view of jet nozzle embodiment for slip casting of the invention；
Fig. 2 is the top view of Fig. 1 embodiment；
Fig. 3 is two sectional front view of jet nozzle embodiment for slip casting of the invention；
Fig. 4 is the top view of Fig. 3 embodiment；
Fig. 5 is three sectional front view of jet nozzle embodiment for slip casting of the invention；
Fig. 6 is the top view of Fig. 5 embodiment；
Fig. 7 is that slip casting brill of the invention applies one front view of example；
Fig. 8 is the A-A cutaway view Amplified image of Fig. 7 embodiment；
Fig. 9 is that slip casting brill of the invention applies two front view of example；
Figure 10 is the B-B cutaway view Amplified image of Fig. 9 embodiment.
In figure: 1- jet nozzle, 101- spray chamber, 102- diversion cavity；2- drilling rod, 201- jet flow groove, 202- jet hole, 203-
Taper bit；3- eccentric wheel, the axle center 301-；4- pressing plate；5- bolt.
Specific embodiment
In order to further illustrate the technical means and efficacy of the invention taken in order to solve the technical problem, below in conjunction with attached
The invention will be described in further detail with specific embodiment for figure, it should be noted that provided attached drawing is schematical, phase
There is no being drawn fully according to size or ratio between mutually, thus the drawings and specific embodiments be not intended as the present invention claims guarantor
Range is protected to limit.
Jet nozzle alternative embodiment for slip casting as shown in Figure 1, the jet nozzle 1 include spray chamber 101, the spray
Chamber 101 is the different cone-shaped hole of both ends diameter, and wherein the relatively outside diameter of spray chamber 101 is 3.0mm, and small end diameter is
1.8mm, the length of the spray chamber 101 are 18.5mm, and the taper of spray chamber 101 is 0.065, and taper calculation herein is two
Hold the difference of diameter and the ratio of spray chamber axial length；Diversion cavity 102 is arranged in the end that is relatively large in diameter of the spray chamber 101, described to lead
The diameter for flowing chamber 102 is 10mm, and the depth of diversion cavity 102 is 0.5mm, and the spray chamber 101 of the jet nozzle 1 is relatively large in diameter end
Outer surface has external screw thread, for being coupled in the jet hole of drilling rod.
Fig. 2 is top view of the Fig. 1 for the jet nozzle embodiment of slip casting, and thus figure is as it can be seen that 101 diameter small end of spray chamber
Outer surface be positive hexagonal column, regular quadrangle or octagon etc. can also be fabricated to, be conveniently used for clamping with spanner
Or sleeve is installed to rotate.
Jet nozzle alternative embodiment for slip casting as shown in Figure 3, the jet nozzle 1 include spray chamber 101, the spray
Chamber 101 is the different cone-shaped hole of both ends diameter, and wherein the relatively outside diameter of spray chamber 101 is 2.9mm, the spray chamber 101
Length is 18.5mm, and the taper of spray chamber 101 is 0.059；Diversion cavity 102 is arranged in the end that is relatively large in diameter of the spray chamber 101, described to lead
The diameter for flowing chamber 102 is 8mm, and the depth of diversion cavity 102 is 0.4mm, which is cylinder, and 101 diameter of spray chamber
Sectional dimension compared with big end diameter group small end is big, and the different setting of outer dimension is for installing fixation.
Fig. 4 is top view of the Fig. 3 for the jet nozzle embodiment of slip casting, which is cylindrical body, above and below
The profile diameter at both ends is different, and upper end is that spray chamber 101 is relatively large in diameter end, i.e., the diameter of spray chamber 101 for 2.9mm one end,
Profile diameter is also larger；Lower end is 101 diameter small end of spray chamber, and profile diameter is also smaller.
Jet nozzle alternative embodiment for slip casting as shown in Figure 5, the jet nozzle 1 include two size shapes all
Identical spray chamber 101, the spray chamber 101 are the different cone-shaped hole of both ends diameter, and wherein the relatively outside diameter of spray chamber 101 is
3.1mm, the length of the spray chamber 101 are 18.5mm, and the taper of spray chamber 101 is 0.07；The end that is relatively large in diameter of the spray chamber 101 is set
Diversion cavity 102 is set, the diameter of the diversion cavity 102 is 11mm, and the depth of diversion cavity 102 is 0.6mm, which is
Cylinder, and spray chamber 101 is relatively large in diameter and holds the sectional dimension of diameter group small end big, the different setting of outer dimension is solid for installing
It is fixed.
Fig. 6 is top view of the Fig. 5 for the jet nozzle embodiment of slip casting, which is square cylinder,
The outer dimension of upper/lower terminal is different, and upper end is that spray chamber 101 is relatively large in diameter end, i.e. the diameter of spray chamber 101 is the one of 3.1mm
End, outer rectangular size are also larger；Lower end is 101 diameter small end of spray chamber, and outer rectangular size is also smaller.
Slip casting brill as shown in Figure 7 is optional to apply example, including 2, two eccentric wheels 3 of drilling rod and above-mentioned Fig. 1 and Fig. 2 embodiment institute
The jet nozzle 1 for slip casting shown, the ontology of the drilling rod 2 are hollow circular tube shape, and the head of the drilling rod 2 is tapered bur
First 203, the body tail section of the drilling rod 2 is symmetrically installed two eccentric wheels 3, the axle center 301 of eccentric wheel 3 and motor (or it is hydraulic
Motor) connection, opposite direction rotation is done with same rotational speed under motor (or hydraulic motor) driving, as shown by arrows in figure；
2 outer surface of drilling rod has jet flow groove 201, and the hollow jet hole 202 of two connection drilling rods of setting, described in the jet flow groove 201
Jet hole 202 has internal screw thread, is mounted in jet hole 202 using Fig. 1 and the jet nozzle of embodiment illustrated in fig. 21, with jet stream
The external screw thread of nozzle 1 and the screw-internal thread fit of jet hole 202 are installed and are connected, and guarantee the exposed regular hexagon end of jet nozzle 1
The cylindrical outer surface of non-bulging 2 ontology of drilling rod, the i.e. thick size of regular hexagon are less than the depth dimensions of jet flow groove 201；It is eccentric
Wheel is symmetrically distributed with the axial line of the ontology of drilling rod 2, under motor or hydraulic motor driving, is generated horizontal direction and is offset,
The exciting force of vertical direction superposition.Run of steel can be adjusted according to soil depth.
Fig. 8 is the A-A cutaway view Amplified image that embodiment is bored in Fig. 7 slip casting, as seen from the figure, same in 2 outer surface of drilling rod of tubular
The different directions of one cross-section location are evenly arranged there are four jet flow groove 201, and two connection drilling rods are arranged in each jet flow groove 201
The jet hole 202 of hollow space, for installing jet nozzle 1, the thick size of the outer regular hexagon of the spray chamber small end of jet nozzle 1
Less than the depth dimensions of jet flow groove 201, therefore it ensure that the exposed non-bulging drilling rod 2 in regular hexagon end of jet nozzle 1 after installation
The cylindrical outer surface of ontology.In use, selected section or whole jet nozzles can be needed to carry out slip casting according to operating condition,
There is the special plug of jet nozzle used that can form four-bladed vane, L-square and water by the use of slip casting plug
The induration of different shapes such as plate does sealing barrier sheet.
Slip casting brill as shown in Figure 9 is optional to apply example, including 2, two eccentric wheels 3 of drilling rod, pressing plate 4, bolt 5 and above-mentioned Fig. 3
With the jet nozzle 1 for being used for slip casting shown in Fig. 4 embodiment, the ontology of the drilling rod 2 is hollow circular tube shape, the drilling rod 2
Head be taper bit 203, the body tail section of the drilling rod 2 is symmetrically installed two eccentric wheels 3, the axle center 301 of eccentric wheel 3 with
Motor (perhaps hydraulic motor) connection does opposite direction rotation under motor (or hydraulic motor) driving with same rotational speed, such as
In figure shown in arrow；2 outer surface of drilling rod has jet flow groove 201, the hollow jet hole of setting connection drilling rod in the jet flow groove 201
202, it is mounted in jet hole 202 using Fig. 3 and the jet nozzle of embodiment illustrated in fig. 41, with the compression of pressing plate 4, the pressing plate 4
Through-hole is correspondingly arranged with jet hole 202, the profile diameter small end size and not of the sectional dimension of through-hole not less than jet nozzle 1
Profile diameter greater than jet nozzle 1 is fixed on pressing plate 4 in jet flow groove 201 compared with big end size with bolt 5, and guarantees jet stream
The cylindrical outer surface of nozzle 1 and non-bulging 2 ontology of drilling rod of bolt 5；Eccentric wheel is with the axial line of the ontology of drilling rod 2 at symmetrical point
Cloth generates horizontal direction and offsets under motor or hydraulic motor driving, the exciting force of vertical direction superposition.It can be according to soil
Layer depth adjusts run of steel.
Figure 10 is the B-B cutaway view Amplified image that embodiment is bored in Fig. 9 slip casting, as seen from the figure, same in 2 outer surface of drilling rod of tubular
The different directions of one cross-section location are evenly arranged there are four jet flow groove 201, and a connection drilling rod is arranged in each jet flow groove 201
The jet hole 202 of hollow space after installation, guarantees jet nozzle 1 and the non-bulging drilling rod 2 of bolt 5 for installing jet nozzle 1
The cylindrical outer surface of ontology.
The slip casting of above-described embodiment, which is bored, uses acoustic frequency vibration slip casting principle, is rotated with back eccentric and generates exciting force,
Driving drilling rod promotes in the earth formation, while the pore water pressure of the drilling rod position soil body being caused to rise, and soil strength reduces, and can be formed
Softened zone, slurries (cement slurry, waterglass, chemical grout etc.) are under certain grouting pressure while creeping into stratum, by squeezing
The forms such as close, splitting, infiltration are injected among stratum, to carry out consolidation process to stratum.The vibration parameters of eccentric wheel include
Vibration duration, vibration frequency, amplitude.The case where exciting force of generation is different, and driving drilling tool advances are different；Vibration is to the soil body
Destruction (pore water pressure, soil strength) degree it is different, different stratum will adjust different vibration parameters.According to stratum spy
Property difference, can choose different grouting pressures, vibration frequency and adjust nozzle number (by the hexagonal spiral shell of identical size
The i.e. stifled slurry plug of bolt is to realize) reach different slip casting effects.Jet flow groove ensure that the planarization of jet nozzle Yu slip casting drilling rod, no
Resistance is caused in drilling in meeting stratum, while facilitating the installation and replacement (use including slip casting blocking) of jet nozzle, is penetrated
Punching perforation drilling rod hollow space in chute, guarantees that slurries are flowed out from drilling rod.
The influence factor of slip casting effect be it is various include vibration duration, vibration frequency, amplitude, grouting pressure,
Slurries rheological property, performance of jet nozzle etc..There is optimal parameter selection for specific stratum, can just there is best note
Starch effect.The speed calculation formula of high-pressure slip-casting jet stream is as follows:
In formula:
ν0It indicates jet nozzle exit velocity (m/s)；
P indicates jet nozzle inlet pressure (Pa)；
p0It indicates jet nozzle outlet pressure (Pa)；
Severe (the N/m of r expression water3)；
G indicates acceleration of gravity (m/s2)；
Jet nozzle efflux coefficient is indicated, with jet nozzle relating to parameters.
Known to from formula to obtain best slip casting effect (i.e. effluxvelocity is big, slurries energy is big, spray distance is remote,
Induration volume is big), need good Nozzle Parameter.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, this
Field technical staff can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications belong to
Scope of protection of the claims of the invention.
Claims (10)
1. a kind of jet nozzle for slip casting, which is characterized in that including spray chamber, the spray chamber is the different circular cone of both ends diameter
Shape through-hole, wherein the relatively outside diameter of spray chamber is 2.9~3.1mm, and the taper of spray chamber is 0.059~0.07.
2. the jet nozzle according to claim 1 for slip casting, which is characterized in that the end that is relatively large in diameter of the spray chamber is set
Diversion cavity is set, the diameter of the diversion cavity is 8~11mm, and the depth of diversion cavity is 0.4~0.6mm.
3. the jet nozzle according to claim 1 for slip casting, which is characterized in that the length of the spray chamber is
18.5mm。
4. the jet nozzle according to claim 1 for slip casting, which is characterized in that the spray chamber diameter of the jet nozzle
Outer surface compared with big end has external screw thread, and the outer surface of spray chamber diameter small end is regular quadrangle cylinder or regular hexagon column
Body.
5. the jet nozzle according to claim 1 for slip casting, which is characterized in that the jet nozzle shape is column
Body, and spray chamber is relatively large in diameter and holds the exterior cross-section size of diameter group small end big.
6. the jet nozzle of slip casting is used for described in any one of -5 according to claim 1, which is characterized in that the spray chamber is
It is multiple.
7. a kind of slip casting is bored, which is characterized in that described including drilling rod and the jet nozzle described in claim 1 for slip casting
The ontology of drilling rod is hollow circular tube shape, and drilling rod outer surface has jet flow groove, and setting connection drilling rod is hollow in the jet flow groove
Jet hole, jet nozzle is mounted in jet hole and the outer surface of non-bulging drilling rod ontology.
8. slip casting according to claim 7 is bored, which is characterized in that the jet hole has internal screw thread, the jet nozzle
Spray chamber be relatively large in diameter the outer surface at end with external screw thread, the outer surface of spray chamber diameter small end is regular quadrangle cylinder or just
Hexagon cylinder, the external screw thread of jet nozzle and the screw-internal thread fit of jet hole are installed and are connected.
9. slip casting according to claim 7 is bored, which is characterized in that further include pressing plate and bolt, the jet nozzle shape
For cylinder, and spray chamber be relatively large in diameter end diameter group small end exterior cross-section size it is big；The connection drilling rod of the jet hole is hollow
Place is smaller than sectional dimension at connection jet flow groove, and section and depth dimensions are not less than jet nozzle at the connection jet flow groove of jet hole
It is relatively large in diameter section and the length dimension at end；The pressing plate and jet hole are correspondingly arranged through-hole, and the sectional dimension of through-hole is not less than
The sectional dimension of jet nozzle diameter small end and the sectional dimension that end is relatively large in diameter no more than jet nozzle, pressing plate spray jet stream
Mouth is pressed in jet hole, and pressing plate is fixed in jet flow groove with dormant bolt and the outer surface of non-bulging drilling rod ontology.
10. the slip casting according to any one of claim 7-9 is bored, which is characterized in that it further include at least a pair of of eccentric wheel,
The eccentric wheel is mounted on the body tail section of drilling rod and does opposite direction rotation under motor driven with same rotational speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779039.0A CN110468827A (en) | 2019-08-22 | 2019-08-22 | It is bored for the jet nozzle of slip casting and slip casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779039.0A CN110468827A (en) | 2019-08-22 | 2019-08-22 | It is bored for the jet nozzle of slip casting and slip casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110468827A true CN110468827A (en) | 2019-11-19 |
Family
ID=68512816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910779039.0A Pending CN110468827A (en) | 2019-08-22 | 2019-08-22 | It is bored for the jet nozzle of slip casting and slip casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468827A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100405798B1 (en) * | 2003-03-04 | 2003-11-20 | Yong Hyun Kim | Soft ground improvement device |
| CN101260669A (en) * | 2008-04-24 | 2008-09-10 | 中国京冶工程技术有限公司 | Drilling, spraying, injection integral enlarging anchor rod construction method |
| CN203080519U (en) * | 2012-12-28 | 2013-07-24 | 青岛业高建设工程有限公司 | One-way rotary spraying anchor rod and anchor rod construction device |
| CN203891016U (en) * | 2014-05-23 | 2014-10-22 | 青岛业高建设工程有限公司 | Self-propelled anchor cable and construction device thereof |
| KR20150143026A (en) * | 2014-06-13 | 2015-12-23 | 문병권 | Injection nozzle for ground hardening pile and front device therewith |
| JP6141555B1 (en) * | 2017-03-12 | 2017-06-07 | 基盤技研株式会社 | High pressure spray nozzle device and ground improvement device on which it is mounted |
| CN211256943U (en) * | 2019-08-22 | 2020-08-14 | 中冶交通建设集团有限公司 | A efflux nozzle and slip casting are bored for slip casting |
-
2019
- 2019-08-22 CN CN201910779039.0A patent/CN110468827A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100405798B1 (en) * | 2003-03-04 | 2003-11-20 | Yong Hyun Kim | Soft ground improvement device |
| CN101260669A (en) * | 2008-04-24 | 2008-09-10 | 中国京冶工程技术有限公司 | Drilling, spraying, injection integral enlarging anchor rod construction method |
| CN203080519U (en) * | 2012-12-28 | 2013-07-24 | 青岛业高建设工程有限公司 | One-way rotary spraying anchor rod and anchor rod construction device |
| CN203891016U (en) * | 2014-05-23 | 2014-10-22 | 青岛业高建设工程有限公司 | Self-propelled anchor cable and construction device thereof |
| KR20150143026A (en) * | 2014-06-13 | 2015-12-23 | 문병권 | Injection nozzle for ground hardening pile and front device therewith |
| JP6141555B1 (en) * | 2017-03-12 | 2017-06-07 | 基盤技研株式会社 | High pressure spray nozzle device and ground improvement device on which it is mounted |
| CN211256943U (en) * | 2019-08-22 | 2020-08-14 | 中冶交通建设集团有限公司 | A efflux nozzle and slip casting are bored for slip casting |
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