CN203594029U - High-pressure one-time forming diameter-changing anchor rod construction structure - Google Patents
High-pressure one-time forming diameter-changing anchor rod construction structure Download PDFInfo
- Publication number
- CN203594029U CN203594029U CN201320785215.XU CN201320785215U CN203594029U CN 203594029 U CN203594029 U CN 203594029U CN 201320785215 U CN201320785215 U CN 201320785215U CN 203594029 U CN203594029 U CN 203594029U
- Authority
- CN
- China
- Prior art keywords
- anchor
- drilling rod
- pressure
- rod
- anchor rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010276 construction Methods 0.000 title abstract description 34
- 239000007921 spray Substances 0.000 claims abstract description 42
- 239000004568 cement Substances 0.000 claims abstract description 10
- 238000005553 drilling Methods 0.000 claims description 72
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 239000002002 slurry Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 235000019693 cherries Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a high-pressure one-time forming diameter-changing anchor rod construction structure. The high-pressure one-time forming diameter-changing anchor rod construction structure comprises a hollow drill rod, a high-pressure automatic rotating spray head, a high-pressure pump, a mounting ring and a limiting baffle, wherein the high-pressure automatic rotating spray head is coaxially installed at the front end of the drill rod in a sealed mode, the high-pressure pump presses cement slurry into the drill rod from the rear end and continuously sprays out the cement slurry through the high-pressure automatic rotating spray head, the front of the drill rod is sleeved with the mounting ring, and the limiting baffle is located on the rear side of the mounting ring and limits the mounting ring. The limiting baffle is fixed on the drill rod and is perpendicular to the drill rod, the inner diameter of the mounting ring is larger than the outer diameter of the drill rod, the outer diameter of the mounting ring is smaller than that of a constructed anchor rod, a steel bar or an anchor rope is arranged in the constructed anchor rod, and the steel bar and the inner end of the anchor rope are fixed on the mounting ring. The high-pressure one-time forming diameter-changing anchor rod construction structure is simple, reasonable in design, simple and convenient to construct and low in input cost, a formed anchor rod hole and an anchor rod body are equal-diameter bodies or diameter-changing bodies, placing of the steel bar or the anchor rope and anchor rod hole forming are finished in one time, and construction quality of the anchor rod can also be effectively guaranteed while the anchor rod construction period is accelerated.
Description
Technical field
The utility model belongs to anchor bolt construction technical field, especially relates to a kind of high pressure one-shot forming reducing anchor rod constructing structure.
Background technology
In the foundation ditches such as building, water conservancy, highway or slope support engineering, anchor pole is conventional supporting type, and anchor pole used adopts auger bore or mud circulation to be drilled to two kinds, hole pore-forming mode conventionally.The shortcoming that auger bore mode exists is: generally can not form enlarged body in local and bottom, thereby the pulling capacity of anchor pole is not high, and occurs sometimes shrinkage cavity and collapse hole phenomenon, further affect pulling capacity and the quality of anchor pole.For layer of sand, be generally to adopt with pipe mud circulation to be drilled to hole mode, but in work progress, greatly reduce because the impact of mud makes the pulling capacity of anchor pole, and also cannot form the part and the bottom enlarged body that improve anchor rod drawing power.Meanwhile, above-mentioned two kinds of pore-forming modes all need the rotational power system of rig power drive drilling rod, complex structure, rig expense is high, machinery and dynamical system reliability are low, and are generally that pore-forming and anchor pole are laid and made two bites at a cherry, and have reduced the reliability that anchor pole is laid.In addition, the soil or the mud that adopt above-mentioned two kinds of pore-forming modes to discharge, also can cause certain harmful effect to environment.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of high pressure one-shot forming reducing anchor rod constructing structure is provided, it is simple in structure, reasonable in design and easy construction input cost is lower, in accelerating the anchor bolt construction duration, also can effectively guarantee the construction quality of anchor pole.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of high pressure one-shot forming reducing anchor rod constructing structure, it is characterized in that: the drilling rod that comprises inner hollow, co-axial seal is arranged on the high-pressure auto-rotating spray head of drilling rod front end, cement paste is pressed into from rear end in drilling rod and by the high-pressure auto-rotating spray head high-pressure pump of ejection continuously, be sleeved on the erection loop of drilling rod front portion and be positioned at erection loop rear side and erection loop is carried out to spacing postive stop baffle, described postive stop baffle is fixed on drilling rod and it is vertical laying with drilling rod, the internal diameter of described erection loop is greater than the external diameter that the external diameter of drilling rod and its external diameter are less than constructed anchor pole, be provided with reinforcing bar or anchor cable in the anchor pole of constructing, the inner of described reinforcing bar and described anchor cable is all fixed on erection loop, described high-pressure auto-rotating spray head comprises the cylindric head body that is arranged on drilling rod front end, in described cylindric head body, multiple nozzles is housed.
Above-mentioned a kind of high pressure one-shot forming reducing anchor rod constructing structure, is characterized in that: described postive stop baffle is the annular baffle being fixedly set on drilling rod.
Above-mentioned a kind of high pressure one-shot forming reducing anchor rod constructing structure, is characterized in that: the equal colligation in the inner of described reinforcing bar and described anchor cable is fixed on erection loop, has for reinforcing bar or the fixing fixing hole of described anchor cable colligation on described erection loop.
Above-mentioned a kind of high pressure one-shot forming reducing anchor rod constructing structure, is characterized in that: described annular baffle is coaxial laying with drilling rod, the external diameter of described annular baffle is less than the external diameter of erection loop.
Above-mentioned a kind of high pressure one-shot forming reducing anchor rod constructing structure, is characterized in that: between described drilling rod and high-pressure auto-rotating spray head, be connected and sealed by sealing interior empty bearing, described erection loop is in sealing between empty bearing and postive stop baffle.
Above-mentioned a kind of high pressure one-shot forming reducing anchor rod constructing structure, it is characterized in that: also comprise the drill rod support frame that drilling rod is supported, multiple described nozzles comprise three flank nozzles that are coaxially laid in the bottom nozzle of cylindric head body bottom and are along the circumferential direction evenly laid in outside, cylindric head body middle part.
Above-mentioned a kind of high pressure one-shot forming reducing anchor rod constructing structure, is characterized in that: described erection loop is coaxial laying with drilling rod.
The utility model compared with prior art has the following advantages:
1, simple in structure, reasonable in design and construction method is easy, input cost is lower, by drilling rod, postive stop baffle and erection loop, reinforcing bar or anchor cable are together advanced into design attitude, make bolthole pore-forming and reinforcing bar or anchor cable is laid and slip casting can once complete, improve the quality of anchor pole, accelerated speed of application.
2, anchor bar body drilling construction is effective, owing to adopting cement paste churning pore-forming, thereby in the time of anchor bar body drilling construction, can not produce the phenomenons such as collapse hole, undergauge.
3, anchor bar body drilling construction method is easy, easy to operate, and because drill bit adopts high-pressure injection spin drill bit, rig does not need rotary power system, and easy construction is easy to operate.
4, adopt the mode of cement paste choosing spray cuts formation due to anchor pole pore-forming, thereby can make the anchor bar body and the stratum that after slip casting, form more closely bond, thereby further increased the side friction of anchor pole, improve anchor rod drawing power, economic benefit is very remarkable.
5, in anchor pole drilling construction process, in adopting water under high pressure mud churning cuts formation, the counter-force of being sprayed by water under high pressure mud promotes the rotation of high-pressure rotary-spray shower nozzle again, thus make that pore-forming equipment is simple in structure, dependable performance and easy operating, construction cost be low.
6, applied widely, anchor bar body pore-forming adopts the mode of high pressure rotation gunite to carry out anchor bar body drilling construction, thereby has stronger penetration capacity, can be used in more stratum, such as harder soil layer, the stratum such as layer of sand.The bolthole forming and anchor bar body are equal diameter body or diameter-changing body, that is to say, adopt the utility model isodiametric anchor bar body of both can having constructed, also can construct and straighten the anchor bar body in footpath, and in anchor bar body, reinforcing bar or laying with bolthole pore-forming of anchor cable once complete.In addition, drilling rod can rotate propelling high-pressure auto-rotating spray head, also can not rotate propelling high-pressure auto-rotating spray head.
In sum, simple in structure, the reasonable in design and easy construction of the utility model, input cost anchor pole quality lower, construction molding are good, efficiency of construction is high, can give full play to the pulling capacity of anchor pole end and anchor pole sidewall, thereby the pulling capacity of anchor pole is improved greatly, also can significantly reduce engineering cost simultaneously.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the Construction State schematic diagram before the utility model creeps into.
Fig. 2 is the Construction State schematic diagram after the utility model has crept into.
Fig. 3 is the structural representation of the utility model high-pressure auto-rotating spray head.
Description of reference numerals:
1-bottom expanded hole; 2-local expanded hole; 3-drilling rod;
4-high-pressure auto-rotating spray head; 4-1-cylindric head body; 4-2-bottom nozzle;
4-3-flank nozzle; 5-high-pressure pump; Empty bearing in 6-sealing;
7-erection loop; 8-postive stop baffle; 9-drill rod support frame;
10-reinforcing bar; 11-locating ring.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model comprises that drilling rod 3, the co-axial seal of inner hollow are arranged on the high-pressure auto-rotating spray head 4 of drilling rod 3 front ends, cement paste are pressed in drilling rod 3 and by the continuous high-pressure pump 5 spraying of high-pressure auto-rotating spray head 4 from rear end, are sleeved on the erection loop 7 of drilling rod 3 front portions and are positioned at erection loop 7 rear sides and erection loop 7 is carried out to spacing postive stop baffle 8, described postive stop baffle 8 is fixed on drilling rod 3 and it is vertical laying with drilling rod 3, and the internal diameter of described erection loop 7 is greater than the external diameter that the external diameter of drilling rod 3 and its external diameter are less than constructed anchor pole.Be provided with reinforcing bar 10 or anchor cable in the anchor pole of constructing, the inner of described reinforcing bar 10 and described anchor cable is all fixed on erection loop 7; Described high-pressure auto-rotating spray head 4 comprises the cylindric head body 4-1 that is arranged on drilling rod 3 front ends, on described cylindric head body 4-1, multiple nozzles is housed.
In the present embodiment, described postive stop baffle 8 is for being fixedly set in the annular baffle on drilling rod 3.
When actual installation, described annular baffle is coaxial laying with drilling rod 3, and the external diameter of described annular baffle is less than the external diameter of erection loop 7.
In the present embodiment, described erection loop 7 is coaxial laying with drilling rod 3.
In the present embodiment, the equal colligation in the inner of described reinforcing bar 10 and described anchor cable is fixed on erection loop 7, has for reinforcing bar 10 or the fixing fixing hole of described anchor cable colligation on described erection loop 7.
Simultaneously, the utility model also comprises the drill rod support frame 9 that drilling rod 3 is supported, and multiple described nozzles comprise three flank nozzle 4-3 that are coaxially laid in the bottom nozzle 4-2 of cylindric head body 4-1 bottom and are along the circumferential direction evenly laid in outside, cylindric head body 4-1 middle part.
When actual use, can according to specific needs, the quantity of described flank nozzle 4-3 be adjusted accordingly.
In the present embodiment, between described drilling rod 3 and high-pressure auto-rotating spray head 4, be connected and sealed by sealing interior empty bearing 6, described erection loop 7 is in sealing between empty bearing 6 and postive stop baffle 8.
In the present embodiment, on described drilling rod 3, be set with the locating ring 11 of the minimum-value aperture that limits described bolthole.
When practice of construction, on the bolthole of institute's construction molding, be provided with local expanded hole 2 and/bottom expanded hole 1, correspondingly, form local enlarged footing at the anchor pole middle part of institute's construction molding and/or form bottom enlarged footing in described anchor pole bottom, the quantity of described local expanded hole 2 is one or more, and the aperture of described bottom expanded hole 1 and local expanded hole 2 is all greater than the diameter of constructed anchor pole.In the present embodiment, on the bolthole of institute's construction molding, be provided with local expanded hole 2 and bottom expanded hole 1.
When practice of construction, work progress of the present utility model is as follows:
Step 1, reinforcing bar 10 or anchor cable are fixed: reinforcing bar 10 or anchor cable are fixed on erection loop 7, and erection loop 7 is arranged between high-pressure auto-rotating spray head 4 and postive stop baffle 8, make in drilling construction process, erection loop 7 is synchronizeed and is moved forward with drilling rod 3 with reinforcing bar 10 or anchor cable.
Step 101, at the leading section co-axial seal of drilling rod 3, a high-pressure auto-rotating spray head 4 is installed, and according to anchor pole position and the anchor bar body pore-forming direction of specifying, to the drilling direction of drilling rod 3 with creep into position and set; By the drilling direction governor motion being arranged on drill rod support frame 9, the drilling direction of drilling rod 3 is adjusted accordingly.
Step 102, by high-pressure pump 5, cement paste is pressed into drilling rod 3 inside from drilling rod 3 rearward end, and compresses into gradually high-pressure auto-rotating spray head 4.
Step 103, compress into high-pressure auto-rotating spray head 4 water under high pressure mud under the pressure-acting of high-pressure pump 5, outwards spray from bottom nozzle 4-2 and flank nozzle 4-3, in course of injection, the synchronous soil body or layer of sand to all sides cuts; Meanwhile, flank nozzle 4-3, under the injection counter-force effect of water under high pressure mud, drives high-pressure auto-rotating spray head 4 rotations and pushes ahead gradually.Along with drilling rod 3 and high-pressure auto-rotating spray head 4 are constantly pushed ahead, the water under high pressure mud spraying from high-pressure auto-rotating spray head 4 gradually cutting soil or layer of sand, to projected depth, completes anchor bar body drilling construction, obtains the bolthole being shaped.
Step 3, local expanded hole 2 and bottom expanded hole 1 are constructed: push ahead in process at drilling rod 3 and high-pressure auto-rotating spray head 4, according to the design attitude that pre-determines need on bolthole to construct local expanded hole 2 and/or bottom expanded hole 1, when drilling rod 3 and high-pressure auto-rotating spray head 4 are advanced into when approaching design attitude or arriving design attitude, correspondingly slowly push ahead or stagnate a period of time and do not push ahead, make the soil body or the layer of sand of high-pressure auto-rotating spray head 4 long-time continuous rotation whitewashing cutting same places, thereby the corresponding middle part at bolthole forms local expanded hole 2 and/or forms bottom expanded hole 1 in bolthole bottom, complete the bolthole construction of middle part with local expanded hole 2 and/or bottom band bottom expanded hole 1.
In sum, work progress of the present utility model is: first, one end of drilling rod 3 (being front end) is connected by sealing interior empty bearing 6 with high-pressure auto-rotating spray head 4, then the other end of drilling rod 3 is coaxially connected with high-pressure pump 5, erection loop with reinforcing bar 10 or anchor cable 7 is placed in to the front portion of drilling rod 3 simultaneously, high-pressure auto-rotating spray head 4 is placed in to the bolthole position place of regulation, then by high-pressure pump 5, water under high pressure mud is transported in drilling rod 3, the water under high pressure mud of delivering in drilling rod 3 is transported to gradually in high-pressure auto-rotating spray head 4 under High Pressure again, the water under high pressure mud entering in high-pressure auto-rotating spray head 4 sprays from 4 nozzles disposed thereon, synchronously carry out cuts formation, 3 flank nozzle 4-3 are under the counter-force effect of institute's inject high pressure cement paste simultaneously, drive high-pressure auto-rotating spray head 4 to rotate, thereby reach even, continuously and the gradually object of cuts formation forward.In cutting process, the native nitre of cutting is taken out of along the hole wall of the bolthole that is shaped by cement paste, and with constantly cutting to depths of landing surface and constantly pushing ahead of drilling rod 3, the bolthole of shaping inwardly advances to design hole depth; Slowly push ahead again or stagnate a period of time and do not push ahead, making the soil body or the layer of sand of high-pressure auto-rotating spray head 4 long-time continuous rotation whitewashing cutting bolthole bottoms, at corresponding formation bottom, bolthole bottom expanded hole 1., in the progradation of high-pressure auto-rotating spray head 4 and drilling rod 3, according to requirement of engineering, can slowly push ahead or stagnate a period of time and do not push ahead in the respective design position in progradation meanwhile, thus the local expanded hole 2 of construction molding.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a high pressure one-shot forming reducing anchor rod constructing structure, it is characterized in that: the drilling rod (3) that comprises inner hollow, co-axial seal is arranged on the high-pressure auto-rotating spray head (4) of drilling rod (3) front end, cement paste is pressed into from rear end in drilling rod (3) and by high-pressure auto-rotating spray head (4) high-pressure pump (5) of ejection continuously, be sleeved on the anterior erection loop (7) of drilling rod (3) and be positioned at erection loop (7) rear side and erection loop (7) is carried out to spacing postive stop baffle (8), described postive stop baffle (8) is fixed on drilling rod (3) above and it is vertical laying with drilling rod (3), the internal diameter of described erection loop (7) is greater than the external diameter that the external diameter of drilling rod (3) and its external diameter are less than constructed anchor pole, be provided with reinforcing bar (10) or anchor cable in the anchor pole of constructing, the inner of described reinforcing bar (10) and described anchor cable is all fixed on erection loop (7), described high-pressure auto-rotating spray head (4) comprises the cylindric head body (4-1) that is arranged on drilling rod (3) front end, in described cylindric head body (4-1), multiple nozzles is housed.
2. according to high pressure one-shot forming reducing anchor rod constructing structure claimed in claim 1, it is characterized in that: described postive stop baffle (8) is for being fixedly set in the annular baffle on drilling rod (3).
3. according to the high pressure one-shot forming reducing anchor rod constructing structure described in claim 1 or 2, it is characterized in that: it is upper that the equal colligation in the inner of described reinforcing bar (10) and described anchor cable is fixed on erection loop (7), on described erection loop (7), have for reinforcing bar (10) or the fixing fixing hole of described anchor cable colligation.
4. according to high pressure one-shot forming reducing anchor rod constructing structure claimed in claim 2, it is characterized in that: described annular baffle is coaxial laying with drilling rod (3), and the external diameter of described annular baffle is less than the external diameter of erection loop (7).
5. according to the high pressure one-shot forming reducing anchor rod constructing structure described in claim 1 or 2, it is characterized in that: between described drilling rod (3) and high-pressure auto-rotating spray head (4), be connected and sealed by empty bearing (6) in sealing, described erection loop (7) is positioned between the empty bearing of sealing (6) and postive stop baffle (8).
6. according to the high pressure one-shot forming reducing anchor rod constructing structure described in claim 1 or 2, it is characterized in that: also comprise the drill rod support frame (9) that drilling rod (3) is supported, multiple described nozzles comprise three the flank nozzles (4-3) that are coaxially laid in the bottom nozzle (4-2) of cylindric head body (4-1) bottom and are along the circumferential direction evenly laid in outside, cylindric head body (4-1) middle part.
7. according to high pressure one-shot forming reducing anchor rod constructing structure claimed in claim 4, it is characterized in that: described erection loop (7) is coaxial laying with drilling rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785215.XU CN203594029U (en) | 2013-11-30 | 2013-11-30 | High-pressure one-time forming diameter-changing anchor rod construction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785215.XU CN203594029U (en) | 2013-11-30 | 2013-11-30 | High-pressure one-time forming diameter-changing anchor rod construction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594029U true CN203594029U (en) | 2014-05-14 |
Family
ID=50674926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320785215.XU Expired - Lifetime CN203594029U (en) | 2013-11-30 | 2013-11-30 | High-pressure one-time forming diameter-changing anchor rod construction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594029U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074188A (en) * | 2014-06-18 | 2014-10-01 | 宏扬建设有限公司 | Cement mortar press injection machine and press injection mortar anchor rod construction method |
| CN110042836A (en) * | 2019-04-26 | 2019-07-23 | 湖南教建集团有限公司 | Anchor cable one-pass molding construction method |
| CN110258579A (en) * | 2019-06-06 | 2019-09-20 | 深圳市工勘岩土集团有限公司 | Synchronous mode construction prestressed cable method |
| CN115434311A (en) * | 2022-10-14 | 2022-12-06 | 东南大学 | External mobile jet flow suction type caisson foundation reinforcing device and reinforcing method |
-
2013
- 2013-11-30 CN CN201320785215.XU patent/CN203594029U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074188A (en) * | 2014-06-18 | 2014-10-01 | 宏扬建设有限公司 | Cement mortar press injection machine and press injection mortar anchor rod construction method |
| CN110042836A (en) * | 2019-04-26 | 2019-07-23 | 湖南教建集团有限公司 | Anchor cable one-pass molding construction method |
| CN110258579A (en) * | 2019-06-06 | 2019-09-20 | 深圳市工勘岩土集团有限公司 | Synchronous mode construction prestressed cable method |
| CN115434311A (en) * | 2022-10-14 | 2022-12-06 | 东南大学 | External mobile jet flow suction type caisson foundation reinforcing device and reinforcing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101575854B (en) | High-pressure jet grouting enlarged footing anchor rod and construction method thereof | |
| CN103993611B (en) | A kind of deep layer rotating spraying cement-soil plate and anchor pole combine the construction method of anti-floating pile raft structure | |
| CN102493437B (en) | Grouting-type micro steel pipe pile and grouting reinforcement method | |
| CN203594029U (en) | High-pressure one-time forming diameter-changing anchor rod construction structure | |
| CN106836204B (en) | The device and method of pouring pile bearing capacity under a kind of promotion Soft Soil | |
| CN101570970A (en) | Construction method of cement soil anchor and anchor plate combined member thereof | |
| CN102182180B (en) | Rotary extrusion sleeve anchor rod and construction method thereof | |
| CN103669337A (en) | Head-expansion long spiral drilling pressure irrigation pile and construction method and construction device thereof | |
| CN111622217A (en) | Grouting precast tubular pile after rotary spraying construction and construction process thereof | |
| CN103321222B (en) | Recoverable type anchor rod, pressure-bearing plate type anchor pile and anchoring method | |
| CN208136918U (en) | A kind of tubular type Soil-Nailing Wall Structure | |
| CN106284295A (en) | Multichannel high-pressure vibro-grouting jet groutinl construction method | |
| CN206396745U (en) | Long spire stake machine with the Counterboring apparatus that spins | |
| CN102839661A (en) | Construction technology of reelingly stirring to eject anchor tube pile | |
| CN203080519U (en) | One-way rotary spraying anchor rod and anchor rod construction device | |
| CN213061989U (en) | High-pressure rotary spraying device | |
| CN203866852U (en) | Anti-floating pile structure composited by deep spiral-spraying cement soil plate and anchor rod | |
| CN203639952U (en) | Underground diaphragm wall joint waterproof structure of underground substation | |
| CN205776195U (en) | High-pressure rotary-spray cone body anchor pole | |
| CN203603145U (en) | Long spiral drilling machine grouting retaining wall hole forming system | |
| CN210507500U (en) | Drilling, spraying and stirring integrated seepage-proof curtain wall forming device | |
| CN203361147U (en) | Recyclable anchor rod and bearing plate type anchor pile | |
| CN207673287U (en) | A kind of jet-propelled high-efficiency helical drilling tool | |
| CN206801471U (en) | A kind of guiding grouting drill bit for horizontal grouting rig | |
| CN112177564B (en) | High-pressure jet grouting system for building underground concealed reservoir and building method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA JIKAN RESEARCH INSTITUTE OF ENGINEERING INVE Free format text: FORMER NAME: CHINA JIKAN RESEARCH INSTITUTE OF ENGINEERING INVESTIGATIONS AND DESIGH |
|
| CP03 | Change of name, title or address |
Address after: 710043 No. 51 middle Xianning Road, Xincheng District, Shaanxi, Xi'an Patentee after: CHINA JIKAN RESEARCH INSTITUTE OF ENGINEERING INVESTIGATIONS AND DESIGN,CO.,LTD. Address before: 710043 Xianning Middle Road, Shaanxi, China, No. 51, No. Patentee before: China JK Institute of Engineering Investigation and Design |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |