CN207109811U - Inflatable anchor pole - Google Patents
Inflatable anchor pole Download PDFInfo
- Publication number
- CN207109811U CN207109811U CN201720987086.0U CN201720987086U CN207109811U CN 207109811 U CN207109811 U CN 207109811U CN 201720987086 U CN201720987086 U CN 201720987086U CN 207109811 U CN207109811 U CN 207109811U
- Authority
- CN
- China
- Prior art keywords
- air bag
- housing
- coverboard
- anchor pole
- tensile elements
- 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.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
Inflatable anchor pole is the utility model is related to, including air bag, air bag are communicated with tracheae；Also include housing, housing includes at least two pieces of coverboards, a cavity is surrounded between coverboard, the cavity is airbag chamber, and air bag is located in airbag chamber, connected between adjacent coverboard by active connection, when expanding airbag aeration, gasbag ektexine promotes coverboard to expand to the periphery；Also include tensile elements, tensile elements one end connection housing, the tensile elements other end is provided with outer anchoring piece, dimension of the tensile elements length direction perpendicular to coverboard.Above-mentioned inflatable anchor pole, in use, air bag and housing stretch into soil body bottom hole, airbag aeration is expanded by tracheae, external shell can be promoted to expand, compress surrounding soil, realize anchoring.Housing can use hard material, protect air bag, and housing will not stretcher strain, anchoring effect can be strengthened, can also be set in housing exterior walls and sting locking structure, the multiple air bags and housing of series connection, increase anchoring grasping dynamics can be set.
Description
Technical field
The anchor pole of civil engineering is the utility model is related to, particularly a kind of inflatable anchor pole.
Background technology
Anchor pole is the device for soil body support reinforcement, and its basic structure includes outer anchoring section, free segment and grouted part.
Grouted part is used to stretch into inside soil body and fixation, and outer anchoring section is generally locked in the soil body with nut and backing plate
Or on engineering structure, free segment is one section of rod member, outer anchoring section and grouted part are connected, for transmitting stress.Similar, also
There is anchor cable to can also be used for soil body support reinforcement.
Conventional anchor pole or anchor cable, its grouted part are generally all cement injection mortars to realize anchoring.Also there is inflatable
Anchor pole, its structure is to be arranged rubber pneumatic bag outside one end by the use of a steel pipe as free segment, steel pipe, another as grouted part
End sets outer anchor part.In use, cell parts stretch into soil body bottom hole, by the stomata of steel pipe side face to airbag aeration, gas
Capsule expansion is clamped in the soil body, can then lock outer anchor part.This inflatable anchor pole is constructed without perfusion mortar
Cycle is short, and small to soil pollution, can also take out anchor pole and reclaim after air bag deflation.
But because rubber is soft material, axial tension deformation easily occurs after anchoring in it；And anchoring relies primarily on air bag
Frictional force in hole, cause withdrawal resistance insufficient；For in some hard soils, rubber membrane to be easily broken, usually fastening invalidation.
Utility model content
Technical problem to be solved in the utility model is：A kind of inflatable anchor pole is provided, air bag can be overcome in soil
The problem of easily rupturable in body.
Technical scheme is used by the utility model solves its technical problem：
Inflatable anchor pole, including air bag, the air bag are communicated with tracheae；Also include housing, the housing is included extremely
Lack two pieces of coverboards, surround a cavity between coverboard, the cavity is airbag chamber, and the air bag is located in airbag chamber, adjacent shell
Connected between plate by active connection, when expanding airbag aeration, gasbag ektexine promotes coverboard to expand to the periphery；Also include drawing
Power part, described tensile elements one end connect housing, and the tensile elements other end is provided with outer anchoring piece, and tensile elements length direction is perpendicular to shell
The dimension of plate.
Further, the coverboard connection Formation cross-section is the structure of C fonts, and the airbag chamber is the sky inside C fonts
Chamber, when airbag aeration expands, gasbag ektexine promotion C fonts both sides partially open expansion.
Further, the coverboard includes main casing plate and subshell plate, and main casing plate both sides are in series with least described in one piece respectively
The subshell plate of subshell plate, the main casing plate and both sides combines the structure to form that the section is C fonts, the active connection
For hinge, the tensile elements connect main casing plate.
Further, it is provided with the outside of the coverboard and stings locking structure, for increases and soil body frictional force.
Further, the part at the both ends of the structure of the C fonts extends towards, and overlapping to be double-deck, formation is double-layered
Region；The tracheae inlet end is provided with valve and pressure gauge.
Further, include at least two air bags of series connection, the housing is provided with outside each air bag, it is adjacent
The main casing plate of housing is connected with each other.
Further, the air bag is strip, and inside air bag is provided with support member, and the support length direction is parallel
In the tensile elements length direction, balloon ends are connected with support member both ends.
Further, the air bag is the long tubular of both ends open, and the support member is hard tube, includes at least the one of series connection
Hard tube described in root, the inlet end of the tracheae outlet side connection series connection hard tube, every hard tube set an air bag, air bag respectively outside
Both ends are pressed on hard tube outer wall and sealing respectively, and hard tube is located at the part in air bag, and its wall is provided with venthole, hard tube of connecting
One end sealing or setting valve away from tracheae.
Further, the air bag is the long tubular of both ends open, and end pipe is respectively arranged with the opening of balloon ends, and
Balloon ends are pressed on end pipe outer wall and sealing respectively, include at least one air bag of series connection, and adjacent cells pass through end pipe
Connect；The tracheae outlet side connects the end pipe of the inlet end of the tandem balloon, and the support member is string configuration, described
String configuration both ends are connected with the end pipe of balloon ends respectively, the end pipe sealing of the outlet side of tandem balloon or setting valve.
The beneficial effects of the utility model are：Above-mentioned inflatable anchor pole, the housing of air bag outside setting activity, is used
When, air bag and housing stretch into soil body bottom hole, expand airbag aeration by tracheae, external shell can be promoted to expand, and compress surrounding
The soil body, realize anchoring.Housing can use hard material, can protect air bag, prevent breakage, be applicable to weak soil, pan soil, rock etc.
Different geology, and housing will not stretcher strain, can strengthen anchoring effect, in preferred embodiment, can also set and sting in housing exterior walls
Locking structure, the multiple air bags and housing of series connection can be set, significantly increase anchoring grasping dynamics.
Brief description of the drawings
Fig. 1 is anchor pole schematic diagram of the present utility model；
Fig. 2 is a kind of embodiment schematic diagram of air bag that the utility model anchor pole is related to；
Fig. 3 is the air bag another kind embodiment schematic diagram that the utility model anchor pole is related to；
Fig. 4 is a kind of schematic cross-section of connected mode of coverboard that the utility model anchor pole is related to；
Fig. 5 is air bag, the housing parts enlarged diagram that the utility model anchor pole is related to；
Fig. 6 is the schematic diagram of the tandem balloon embodiment of the utility model anchor pole；
Reference is in figure：Housing 1, main casing plate 10, subshell plate 11, coverboard 110, elongated hole 111, annulus 112, airbag chamber
13rd, double-layered region 14, tensile elements 2, air bag 3, hard tube 31, tracheae 32, valve 33, pressure gauge 34, end pipe 35, strip knot
Structure 41.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples：
Inflatable anchor pole, including air bag 3, the air bag 3 are communicated with tracheae 32；Also include housing 1, the housing 1
Including at least two pieces of coverboards, a cavity is surrounded between coverboard, the cavity is airbag chamber 13, and the air bag 3 is located at airbag chamber 13
In, connected between adjacent coverboard by active connection, making the inflation of air bag 3, the outer wall of air bag 3 promotes coverboard to the periphery when expanding
Expansion；Also include tensile elements 2, described one end of tensile elements 2 connects housing 1, and the other end of tensile elements 2 is provided with outer anchoring piece, pulling force
Dimension of the length direction of part 2 perpendicular to coverboard.
This anchor pole, general principle are that setting housing 1, the inflation of air bag 3 then promote housing 1 to expand outside air bag 3,
Jam-packed anchors in the hole of the soil body.
Specifically, as shown in Figure 1：Anchor pole includes air bag 3, is inflated by tracheae 32 to air bag 3, can expand air bag 3.
Air bag 3 preferably selects the material of flexible deformable, it is preferred that can be butyl rubber material.
Air bag 3 is to prevent gas from leaking after inflating, and can seal tracheae 32, such as can be by the tracheae mouth of pipe after inflating
Heating bonding, or clamped with mechanical parts.Can be preferably that the inlet end of tracheae 32 is provided with valve 33, more preferably can be with
It is to use check valve.For air pressure in monitoring air bag 3, pressure gauge 34 can also be set in tracheae 32.
As shown in figure 1, the coverboard of housing 1 surrounds to form airbag chamber 13, air bag 3 is located in airbag chamber 13, and housing 1 can be protected
Air bag 3, air bag 3 is avoided to be worn with the soil body or rock contact.
Connected between the adjacent coverboard of housing 1 by active connection, be that relative motion can occur between coverboard, make
Housing 1 can stretch to a certain extent.When the inflation of air bag 3 is expanded, the outer wall of air bag 3 promotes coverboard to expand to the periphery, works as gas
Capsule 3 and housing 1 are located in soil body deep hole, then the meeting of housing 1 stretching realizes anchoring function in deep hole.Housing 1 can use hard
Material, such as can be steel plate, hard plastics etc..
The one end of tensile elements 2 connects housing 1, and the other end is provided with outer anchoring piece, and housing 1 and air bag realize grouted part work(
Can, outer anchoring piece realizes outer anchoring section function, typically outer anchoring piece can be nut and backing plate can be locked in the soil body or
On engineering structure and apply pretightning force.
Tensile elements 2 are that free segment is used to transmit stress, and typical tensile elements 2 can be one section of hard rod member, realize anchor pole
Function, or tensile elements 2 can be one section of steel cables, realize anchor cable function.
The length direction of tensile elements 2 perpendicular to coverboard dimension, when housing 1 is located in deep hole, coverboard to deep hole radially
Expansion, stretching hole wall, tensile elements 2 transmit stress along its length.
The typical application method of the utility model anchor pole, such as can be that the deep hole of appropriate internal diameter is first drilled out in the soil body,
Air bag-shell one end of anchor pole is stretched into deep hole bottom, charger is connected tracheae 32, inflated to air bag 3, the expansion extruding of air bag 3
Housing 1, make coverboard to deep hole radial dilatation, jam-packed realizes anchoring function in deep hole.Tracheae 32 can then be closed, prevented
Stopping leak gas, soil body outer wall is locked at outer anchoring piece, and applies prestressing force.Such as outer anchoring piece is to include backing plate and nut,
Then nut check extrudes in the outer end of tensile elements 2, and by backing plate to soil body outer wall.
Compared with existing inflatable anchor pole, anchor pole of the present utility model, air bag does not transmit anchor force, is not connect with ground
Touch, be not easy to be scratched by rock or stress drawing crack；Anchor force is transmitted by housing 1 and tensile elements 2, and axial deformation and footpath will not occur
To deformation, it is possible to increase anchoring dynamics and stability.
Specifically, the structure of housing 1, is to connect coverboard by active connection, housing 1 is realized a certain degree of expansion
Zhang Gongneng.
Can be typically, including multiple coverboards set two oval elongated holes, elongated hole around closed-loop shaped, coverboard is formed
Circumference of the direction along closed loop, the elongated hole of adjacent coverboard is passed through with annulus, all coverboards is linked into an integrated entity.
Then annulus can move in elongated hole, the closed loop is had certain Telescopic, be fitted in after collapsible outside air bag 3
Wall, air bag expand closed loop when expanding, and stretching is in deep hole.It should be noted that the gap between adjacent coverboard is unsuitable excessive,
Prevent from extruding from coverboard gap during airbag aeration, avoid air bag from being scratched by sandstone.
As shown in figure 4, being one section in foregoing closed-loop shaped, coverboard 110 has elongated hole 111, and the elongated hole 111 of adjacent coverboard leads to
Cross annulus 112 to connect, then adjacent coverboard 110 can suitably stretch.
It is furthermore preferred that can be the structure that the coverboard connection Formation cross-section is C fonts, the airbag chamber 13 is C fonts
Internal cavity, when the inflation of air bag 3 is expanded, the outer wall of air bag 3 promotion C fonts both sides partially open expansion.
Such as the coverboard of two pieces of speculars, combination shape are C-shaped, junction can use an iron leg chain link, or
Adopt and connect with hinge, or be rotatably assorted using an axle through the adjacent position of two pieces of coverboards, coverboard with axle.Air bag 3 is located at C
Font centre position, when air bag 3 expands, two semi-open expansions of C character form structures, stretching is in deep hole.
More specifically, can be that the coverboard includes main casing plate 10 and subshell plate 11, the both sides of main casing plate 10 are in series with respectively
The subshell plate 11 of at least one block of subshell plate 11, the main casing plate 10 and both sides, which combines, forms the section as C fonts
Structure, the active connection are hinge, and the tensile elements 2 connect main casing plate 10.
Main casing plate 10 is connected with tensile elements 2, and for power transmission anchor stress, subshell plate 11 is used for the expansion of outside hole wall direction and squeezed
Pressure realizes anchoring.Such as shown in Fig. 5, air bag 3 expands, both sides subshell plate 11 can be promoted to outwardly open, stretching is secondary in deep hole
Anchor force caused by the extruding ground of coverboard 11 is delivered to main casing plate 10 by active connection.
Further, in embodiment illustrated in fig. 5, the part at the both ends of the structure of the C fonts extends towards, and overlapping is double
Layer, forms double-layered region 14.Overlapped similar to the petal end of bud, when the flowers are in blossom, petal end is opened.The bilayer
Congruent region 14 can increase housing expansion when and deep hole contact surface, increase anchoring dynamics.
It is furthermore preferred that can state to be provided with the outside of coverboard to sting locking structure, for increasing and soil body frictional force.Typically,
Such as can be that prominent spine, prominent screw thread etc. is set on the outside of coverboard, air bag 3 promotes coverboard expansion, then spine, screw thread can
To be embedded in the hole wall of the soil body, increase anchoring dynamics.
It is furthermore preferred that can be at least two air bags 3 for including series connection, it be provided with outside each air bag 3 described
Housing 1, the main casing plate 10 of adjacent housings 1 are connected with each other.
As shown in fig. 6, the air bag 3 of series connection can strut respective housing 1 respectively, and then formation is more in the deep hole of the soil body
Section anchoring, increases anchoring dynamics, and the main casing plate 10 of adjacent housings 1 is connected with each other, for transmitting stress to anchor pole or anchor cable.
The structure and form of air bag can be selected according to circumstances, it is preferred that and can be that the air bag 3 is strip, air bag 3
Support member is internally provided with, the support length is oriented parallel to the length direction of tensile elements 2, the both ends of air bag 3 and support
Part both ends connect.
Support member is used to holding the length direction of air bag 3, and during inflation, limitation air bag 3 promotes to depth along deep hole axial deformation
Hole radial deformation.
The form of support member can have a variety of, such as can be, the air bag 3 is the long tubular of both ends open, the branch
Support member is hard tube 31, includes an at least hard tube 31 for series connection, and the outlet side of the tracheae 32 connection series connection hard tube 31 enters
Gas end, every hard tube 31 set an air bag 3 respectively outside, and the both ends of air bag 3 are pressed on the outer wall of hard tube 31 and sealing, hard tube 31 respectively
Part in air bag 3, its wall are provided with venthole, one end sealing or setting valve of the series connection hard tube 31 away from tracheae 32
Door.
As shown in Fig. 2 air bag 3 is long tubular, it is easy to stretch into the deep hole of the soil body, support member is hard tube 31, the both ends of air bag 3
The outer wall of hard tube 31 and sealing are pressed on respectively.After being inflated to hard tube 31, air-flow flows out from the stomata of the wall of hard tube 31, makes air bag 3
Expansion.
Because the both ends of air bag 3 are all fixed on the outer wall of hard tube 31, therefore air bag 3 can be expanded to radial direction, and housing 1 is supportted
Open, be pushed against in the deep hole of the soil body.
According to circumstances, can include the air bag 3 of one, then only set a hard tube 31 or be include it is multiple
The air bag 3 of series connection, then more hard tubes 31 of connecting are needed accordingly, a hard tube 31, adjacent hard tube 31 are corresponding with each air bag 3
Between connect, allow aeration gas flow enter each air bag 3 in.The last root hard tube 31 away from the one end of tracheae 32 is sealed or set
Valve is put, avoids becoming flat.
Preferably or, the air bag 3 is the long tubular of both ends open, is set respectively in the opening at the both ends of air bag 3
There is end pipe 35, and the both ends of air bag 3 are pressed on the outer wall of end pipe 35 and sealing respectively, include at least one air bag 3 of series connection, phase
Adjacent air bag 3 is connected by end pipe 35；The outlet side of tracheae 32 connects the end pipe 35 of the inlet end of the tandem balloon 3, described
Support member is string configuration 41, and end pipe 35 of the both ends of string configuration 41 respectively with the both ends of air bag 3 is connected, tandem balloon
The end pipe 35 of 3 outlet side seals or set valve.
As shown in figure 3, the air bag 3 be both ends open long tubular, the both ends of air bag 3 be pressed on respectively the outer wall of end pipe 35 and
Sealing, during inflation, air-flow can enter in air bag 3 from end pipe 35, to avoid air bag 3 from expanding along its length, by the both ends of air bag 3
The both ends of string configuration 41 are connected to, string configuration 41 can not stretch, therefore air bag 3 can not extend along its length, can only
To being radially expanded.
Typical string configuration 41 can be steel bar, fine steel rib etc..With it is foregoing similarly, according to circumstances, air bag 3 can be
One independent air bag or multiple air bags of series connection, a corresponding root long strip structure 41 in each air bag of tandem balloon,
Adjacent cells end pipe 35 is connected.The end pipe 35 of the most end outlet side of tandem balloon 3 seals or set valve.
Claims (9)
1. inflatable anchor pole, including air bag (3), it is characterised in that the air bag (3) is communicated with tracheae (32)；Also include
Housing (1), the housing (1) include at least two pieces of coverboards, a cavity are surrounded between coverboard, and the cavity is airbag chamber (13),
The air bag (3) is located in airbag chamber (13), is connected between adjacent coverboard by active connection, makes air bag (3) inflation swollen
When big, air bag (3) outer wall promotes coverboard to expand to the periphery；Also include tensile elements (2), described tensile elements (2) one end connects housing
(1), tensile elements (2) other end is provided with outer anchoring piece, dimension of tensile elements (2) length direction perpendicular to coverboard.
2. inflatable anchor pole as claimed in claim 1, it is characterised in that the coverboard connection Formation cross-section is C fonts
Structure, the airbag chamber (13) be C fonts inside cavity, when air bag (3) inflation expand when, air bag (3) outer wall promote C words
Shape both sides partially open expansion.
3. inflatable anchor pole as claimed in claim 2, it is characterised in that the coverboard includes main casing plate (10) and subshell
Plate (11), main casing plate (10) both sides are in series with least one piece of subshell plate (11), the main casing plate (10) and both sides respectively
Subshell plate (11) combination formed the section be C fonts structure, the active connection is hinge, the tensile elements (2)
Connect main casing plate (10).
4. inflatable anchor pole as claimed in claim 1, it is characterised in that it is provided with the outside of the coverboard and stings locking structure,
For increasing and soil body frictional force.
5. inflatable anchor pole as claimed in claim 3, it is characterised in that the part at the both ends of the structure of the C fonts
Extend towards, overlapping is bilayer, forms double-layered region (14)；Tracheae (32) inlet end is provided with valve (33) and pressure
Power table (34).
6. inflatable anchor pole as claimed in claim 3, it is characterised in that at least two air bags including series connection
(3) housing (1), is provided with outside each air bag (3), the main casing plate (10) of adjacent housings (1) is connected with each other.
7. inflatable anchor pole as claimed in claim 1, it is characterised in that the air bag (3) is strip, air bag (3)
Be internally provided with support member, the support length is oriented parallel to the tensile elements (2) length direction, air bag (3) both ends with
Support member both ends connect.
8. inflatable anchor pole as claimed in claim 7, it is characterised in that the air bag (3) is the long cylinder of both ends open
Shape, the support member are hard tube (31), include an at least hard tube (31) for series connection, tracheae (32) the outlet side connection
The inlet end of series connection hard tube (31), every hard tube (31) set an air bag (3) respectively outside, and air bag (3) both ends are pressed on respectively
Hard tube (31) outer wall and sealing, hard tube (31) are located at the part in air bag (3), and its wall is provided with venthole, hard tube of connecting
(31) one end sealing away from tracheae (32) or setting valve.
9. inflatable anchor pole as claimed in claim 7, it is characterised in that the air bag (3) is the long cylinder of both ends open
Shape, end pipe (35) is respectively arranged with the opening at air bag (3) both ends, and air bag (3) both ends are pressed on end pipe (35) outer wall respectively
And seal, include at least one air bag (3) of series connection, adjacent cells (3) are connected by end pipe (35)；The tracheae (32)
Outlet side connects the end pipe (35) of the inlet end of the tandem balloon (3), and the support member is string configuration (41), the length
End pipe (35) of strip structure (41) both ends respectively with air bag (3) both ends is connected, the end pipe (35) of the outlet side of tandem balloon (3)
Sealing sets valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720987086.0U CN207109811U (en) | 2017-08-08 | 2017-08-08 | Inflatable anchor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720987086.0U CN207109811U (en) | 2017-08-08 | 2017-08-08 | Inflatable anchor pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207109811U true CN207109811U (en) | 2018-03-16 |
Family
ID=61571218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720987086.0U Active CN207109811U (en) | 2017-08-08 | 2017-08-08 | Inflatable anchor pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207109811U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093920A (en) * | 2019-05-06 | 2019-08-06 | 安徽企服工程技术有限公司 | A kind of architectural engineering slope reinforcement anchor pole |
| CN110130332A (en) * | 2019-05-07 | 2019-08-16 | 兰州理工大学 | A kind of ground anchored structure |
| CN111009865A (en) * | 2019-11-28 | 2020-04-14 | 烟台职业学院 | Anti-climbing power line pole device |
| CN111764402A (en) * | 2020-07-20 | 2020-10-13 | 中国建筑第八工程局有限公司 | Supporting structure for foundation pit side slope and construction method thereof |
| CN112043948A (en) * | 2020-10-27 | 2020-12-08 | 郭艳华 | Vaginal dilation device for obstetrics and gynecology department |
| CN112177428A (en) * | 2020-09-15 | 2021-01-05 | 四川六九一二科技有限公司 | A physiosis formula ground nail for trompil operating mode in advance |
| CN113266407A (en) * | 2021-05-26 | 2021-08-17 | 中建五局土木工程有限公司 | Prestressed inflatable anchor rod set |
| CN114592515A (en) * | 2022-03-15 | 2022-06-07 | 金鑫 | Galvanized steel strand and manufacturing and using method thereof |
-
2017
- 2017-08-08 CN CN201720987086.0U patent/CN207109811U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093920A (en) * | 2019-05-06 | 2019-08-06 | 安徽企服工程技术有限公司 | A kind of architectural engineering slope reinforcement anchor pole |
| CN110130332A (en) * | 2019-05-07 | 2019-08-16 | 兰州理工大学 | A kind of ground anchored structure |
| CN111009865A (en) * | 2019-11-28 | 2020-04-14 | 烟台职业学院 | Anti-climbing power line pole device |
| CN111764402A (en) * | 2020-07-20 | 2020-10-13 | 中国建筑第八工程局有限公司 | Supporting structure for foundation pit side slope and construction method thereof |
| CN111764402B (en) * | 2020-07-20 | 2022-03-01 | 中国建筑第八工程局有限公司 | Supporting structure for foundation pit side slope and construction method thereof |
| CN112177428A (en) * | 2020-09-15 | 2021-01-05 | 四川六九一二科技有限公司 | A physiosis formula ground nail for trompil operating mode in advance |
| CN112043948A (en) * | 2020-10-27 | 2020-12-08 | 郭艳华 | Vaginal dilation device for obstetrics and gynecology department |
| CN113266407A (en) * | 2021-05-26 | 2021-08-17 | 中建五局土木工程有限公司 | Prestressed inflatable anchor rod set |
| CN113266407B (en) * | 2021-05-26 | 2023-12-29 | 中建五局土木工程有限公司 | Prestressed inflatable anchor rod suit |
| CN114592515A (en) * | 2022-03-15 | 2022-06-07 | 金鑫 | Galvanized steel strand and manufacturing and using method thereof |
| CN114592515B (en) * | 2022-03-15 | 2023-11-03 | 任丘市华信电信器材有限公司 | Galvanized steel strand and manufacturing and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207109811U (en) | Inflatable anchor pole | |
| CN206513338U (en) | A kind of slip casting type hole packer of new blocked gas drainage hole | |
| WO2019100732A1 (en) | Device and method for coal seam gas pressure measurement and dynamic self-balancing pressurized hole sealing | |
| CN108797561A (en) | Soft foundation Grouting Pipe and the foundation stabilization reinforcement for utilizing the Grouting Pipe | |
| CN107989571A (en) | One kind wears three pouch plugging device of formula and its application method | |
| CN112982397A (en) | Recyclable inflatable umbrella-supporting type air bag anchor rod and using method thereof | |
| CN104164865A (en) | Grouting air cushion plug | |
| CN108678721A (en) | Packaged type hydraulic fracturing and injection hole sealing integrated apparatus and its construction method | |
| CN106284369A (en) | A kind of complete recyclable inflation anchor bar of section | |
| CN209742840U (en) | Rubber air bag for sealing face grouting hole | |
| US20020083990A1 (en) | Method and apparatus for repairing a pipeline | |
| CN107956452A (en) | A kind of bag type paste injection hole sealing device | |
| CN205805503U (en) | Coal mine gas extraction drill hole band pressure grouting rapid hole packer | |
| CN106437610A (en) | Method for gas extraction secondary hole sealing based on swelling agent | |
| CN205858264U (en) | A kind of hole sealing device for boring | |
| CN203701091U (en) | Soft foundation inflation anchor rod | |
| CN201258756Y (en) | Telescopic type hole packer for coal mine downhole | |
| CN105822255A (en) | Hole sealing device for drilled hole | |
| WO2023240853A1 (en) | Anchor rod and application method therefor | |
| CN106639962A (en) | Secondary hole sealing and pressure measuring device based on expanding agents | |
| CN110984908A (en) | Hole sealing equipment for gas extraction | |
| CN101086159B (en) | Annular extension limit flexible pressurized grouting bolt | |
| CN106677740B (en) | A kind of underground coal mine one-part form water sealing device and its encapsulating method | |
| CN210396691U (en) | High-pressure grouting hole sealing device | |
| CN212582651U (en) | Split type closed slip casting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |