CN109881672A - A kind of reamer type expansion body earth anchor - Google Patents
A kind of reamer type expansion body earth anchor Download PDFInfo
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- CN109881672A CN109881672A CN201910225438.2A CN201910225438A CN109881672A CN 109881672 A CN109881672 A CN 109881672A CN 201910225438 A CN201910225438 A CN 201910225438A CN 109881672 A CN109881672 A CN 109881672A
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- way stop
- scotch
- return line
- arm
- seat
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- 239000004035 construction material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 7
- 239000011435 rock Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
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- 239000004677 Nylon Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
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- 230000002498 deadly effect Effects 0.000 description 1
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- 238000004880 explosion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- 238000011105 stabilization Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The present invention discloses a kind of reamer type expansion body earth anchor, it is related to anchorage technical field, anchor pole is cooperated to use, including bearing seat, expand body arm, anti-opening apparatus and one-way stop set, the hinged several expansion body arms of the bearing seat, bearing seat lower part is in the shape of a rod and is equipped with non-return line on it, one-way stop set is nested on the non-return line of bearing seat, when one-way stop set is located at non-return line bottom end, each expansion body arm is closed under the action of anti-opening apparatus is disposed around one-way stop set periphery, and one-way stop set struts each expansion body arm when moving up along non-return line.The configuration of the present invention is simple only carries out necessary reaming, reaming accurate positioning to datum hole bottom convenient for manufacture, and shape fixes, improves the bearing capacity of anchorage significantly, reduce the loss of construction material and equipment, economy with higher.
Description
Technical field
The present invention relates to anchorage technical fields, expand body earth anchor more particularly to a kind of reamer type.
Background technique
Anchorage is widely used in highway bridge, city intersection, skyscraper, water conservancy and hydropower dam, port and pier, rock mass shield
A variety of Industrial Engineering such as slope anchoring, strengthening of foundation and tunnel mine top anchor top.In geotechnical engineering, prestressed anchor pole technology is most raw
Order the new technology of power.One end of prestressed anchor is connected with Rock And Soil or works, and the other end is anchored in ground, and applies to it
Prestressing becomes the anchoring system that pulling force is transmitted to stable Rock And Soil, to bear rock and soil pressure, water pressure, anti-floating, resist
Structure pulling force caused by toppling etc., to safeguard the stabilization of Rock And Soil and works.But current engineering generally uses straight
Hole cylindrical type anchor pole, it has the lower deadly defect of bearing capacity, in order to improve the bearing capacity of anchor pole, uses in the bottom of bolthole
High pressure water washes away ground, or with blasting method expansion space, to increase the volume of bolthole, to expand anchor pole and ground
The bearing capacity of anchor pole can be improved in contact surface.But water washes away the shape very irregular of reaming, and washing away keeps Rock And Soil itself weak
Change, mechanics parameter decline；And blasting method reaming randomness it is very big, more important is with explosion means by it is many society because
Element limitation, especially city.A kind of reamer with the design of mechanical reamer principle can overcome the defect of above-mentioned expanding method, reaming
Accurate positioning, shape are fixed, and improve its bearing capacity significantly.Novel anchorage is researched and developed, the security protection and reinforcing of anchorage are improved
Ability, and reduce construction material and equipment loss, economy with higher.
Summary of the invention
The purpose of the present invention is to provide a kind of reamer types to expand body earth anchor, and structure is simply convenient for manufacturing, be placed it in
It can be carried out in datum hole and expand body movement, reaming accurate positioning, shape is fixed, and it is simple to operate, reduce construction material and equipment
Loss, economy with higher.
To achieve the above object, the invention adopts the following technical scheme:
A kind of reamer type expansion body earth anchor, cooperation anchor pole use, including bearing seat, expansion body arm, anti-opening apparatus and one-way stop
Set, the hinged several expansion body arms of the bearing seat, bearing seat lower part is in the shape of a rod and is equipped with non-return line on it, one-way stop set set
It sets on the non-return line of bearing seat, when one-way stop set is located at non-return line bottom end, each body arm that expands closes under the action of anti-opening apparatus
It surrounds and is located at one-way stop set periphery, one-way stop set struts each expansion body arm when moving up along non-return line.
Further, one-way stop set includes at least two scotch and each scotch is made to be enclosed in bearing seat
Elastic card component on non-return line, scotch radially extend a holding section along non-return line, engage under the action of elastic card component
Portion is stuck between two line teeth of non-return line.
Further, arc groove is offered on the outer peripheral surface of the scotch, elastic card component is covered in arc groove
Outside so that each scotch encloses clamping bearing seat, the elastic card component is circle tension spring or clip.
Further, the one-way stop set further includes stop round seat and closes screw cap, stop round seat and closes spiral shell
Wire cover is equipped with the central through hole passed through for the non-return line of bearing seat, and stop round seat upper surface is provided in the axial direction with receiving two only
The accommodation groove of motion block, the central through hole of the bottom connection stop round seat of accommodation groove, scotch are placed in accommodation groove and with closing
Screw cap closing accommodating channel opening.
Further, it is equipped with internal screw thread at the accommodation groove upper end opening, closes and is provided on screw cap outer circumference surface
External screw thread closes the opening that screw cap passes through screw thread locking accommodation groove.
Further, earth anchor shown in further includes unloading only screw, and the scotch is equipped with a radial threaded hole, institute
The periphery for the stop round seat stated be equipped with one-to-one two through-holes of threaded hole on two scotch, two through-holes are coaxial,
It unloads the through-hole that only screw passes through stop round seat to screw in the threaded hole of corresponding scotch, unloads only screw head and be equipped with pull ring, instead
It can make the non-return lines of scotch disengaging bearing seat to pulling two pieces to unload only screw, and then move down one-way stop set.
Further, the bearing seat includes arm attachment base and one-way stop bar, the arm attachment base upper end connection
Anchor pole, lower end connect one-way stop bar, and the non-return line is distributed on one-way stop bar, and each expansion body arm and arm connect
Joint chair is hinged, and each body arm that expands circumferentially is uniformly distributed along one-way stop bar.
Further, the arm attachment base includes seat board and connector sleeve, and connection set upper side connects anchor pole, lower end connection
One-way stop bar, seat board are nested on connector sleeve, and seat board lower surface is provided with several hinged seats, expand body arm and hinged seat is hinged,
Seat board upper surface is equipped with several reinforcing ribs, and reinforcing rib and connector sleeve are welded and fixed to increase the bonding strength of seat board and connector sleeve,
Hinged seat and reinforcing rib are circumferentially uniformly distributed along connector sleeve.
Further, the expansion body arm is equipped with limit turning, and one-way stop is put on when moving to extreme position, and limit is turned
Angle abut one-way stop set upper surface and circumferential surface to avoid expand body arm downwardly turn over gathering, and expand body arm upper surface abut to
The seat board lower surface of arm attachment base is excessively flipped up to avoid body arm is expanded.
Further, the anti-opening apparatus is tension spring, is connected between adjacent expansion body arm by tension spring.
The invention has the following advantages:
Connector sleeve connects anchor pole, and reamer type expansion body earth anchor is put into the datum hole dug, and end of anchor rod is exposed in bottom surface,
Rotate and pull anchor pole can carry out expanding body movement on ground, it is simple to operate.One-way stop is put on when moving to extreme position
Each body arm that expands is fully deployed, and under the action of one-way stop set, is expanded body arm and is maintained at fully unfolded position, guarantees to expand body movement
It is normally carried out, reaming accurate positioning, shape is fixed, and improves the bearing capacity of anchorage significantly.The configuration of the present invention is simple is convenient for system
It makes, necessary reaming only is carried out to datum hole bottom, reduces the loss of construction material and equipment, economy with higher.
Detailed description of the invention
Fig. 1 is that the reamer type of the embodiment of the present invention expands the stereoscopic schematic diagram of body earth anchor；
Fig. 2 is that the reamer type of the embodiment of the present invention expands the decomposition diagram of body earth anchor；
Fig. 3 is that the reamer type of the embodiment of the present invention expands the cross-sectional view of body earth anchor；
Fig. 4 is that the reamer type of the embodiment of the present invention expands another angle stereoscopic schematic diagram of body earth anchor；
Fig. 5 is the decomposition diagram of the one-way stop set of the embodiment of the present invention；
Fig. 6 is construction punching schematic diagram；
Fig. 7 is that reamer type expansion body earth anchor is put into datum hole process schematic；
Fig. 8 is preliminary reaming schematic diagram；
Fig. 9 is to expand body arm to be fully deployed expansion body schematic diagram；
Figure 10 is to expand body to complete schematic diagram.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1 to Figure 2, the present invention provides a kind of reamer type expansion body earth anchor, and cooperation anchor pole 1 uses, including bearing seat,
Expand body arm 4, anti-opening apparatus 5 and one-way stop set 6, the hinged several expansion body arms 4 of bearing seat, bearing seat lower part is in the shape of a rod and on it
Equipped with non-return line 31, one-way stop set 6 is nested on the non-return line 31 of bearing seat, and one-way stop set 6 is located at 31 bottom end of non-return line
When, each expansion body arm 4 is closed under the action of anti-opening apparatus 5 is disposed around 6 peripheries of one-way stop set, and one-way stop set 6 is along non-return line
31 strut each expansion body arm 4 when moving up.
As shown in figure 5, one-way stop set 6 includes at least two scotch 62 and each scotch 62 is made to be enclosed in bearing seat
Elastic card component 61 on non-return line 31, scotch 62 is along the axially extending holding section 621 of non-return line 31, in elastic card component 61
Under the action of holding section 621 be stuck between two line teeth of non-return line 31.
As shown in figure 5, in this implementation, it is preferable that the quantity of scotch 62 is two, is opened up on the outer peripheral surface of scotch 62
There is arc groove 622,61 sets of elastic card component outer in arc groove 622 so that each scotch 62 encloses clamping bearing seat.It is preferred that
Ground, the arc groove 622 on scotch 62 are two, and respectively close to two end faces up and down of scotch 62, elastic engaging
The quantity that the quantity of part 61 corresponds to arc groove 622 is also set as two, and two elastic card components 61 are respectively fitted over two arcs
To enable two scotch 62 to be more securely enclosed on non-return line 31 at groove 622.Elastic card component described in this implementation
61 be circle tension spring or clip.
As shown in figure 5, as a preference, two scotch 62 in this implementation enclose under the effect of elastic card component 61
Horn-like centre bore is formed, which is open biggish one end upward, and the lesser one end that is open forms longitudinal cut
The wedge shaped holding section 621 in face, holding section 621 and the clamping of bearing seat lower part, specially block under the action of elastic card component 61
Between two line teeth of non-return line 31.When pushing scotch 62 from the bottom up, scotch 62 is moved up along non-return line 31.
It is understood that two enclosings of scotch 62 are formed by centre bore and are also possible to other shapes, holding section 621 can be caught in only
Between two line teeth of meander 31.The line odontoid of non-return line 31 and the line tooth of self-locking nylon cable tie are similar, are in mountain peak
The structures such as shape or zigzag.
In order to avoid elastic card component 61 and scotch 62 disengage when work, which need to be protected.Therefore,
Further, in this implementation, as shown in figure 5, one-way stop set 6 further includes stop round seat 63 and closes screw cap 64, stop is round
It seat 63 and closes screw cap 64 and is equipped with the central through hole passed through for the non-return line 31 of bearing seat, 63 upper surface of stop round seat is along axis
To the accommodation groove for accommodating two scotch 62 is offered, the bottom of accommodation groove is connected to the central through hole of stop round seat 63, each stop
The elastic card component 61 of block 62, which fixes, to be placed in accommodation groove and accommodates channel opening with the closing of screw cap 64 is closed.Specifically
Ground is equipped with internal screw thread at accommodation groove upper end opening, closes and be provided with external screw thread on 64 outer circumference surface of screw cap, close screw cap 64
Pass through the opening of screw thread locking accommodation groove.
As shown in Figure 1, bearing seat includes arm attachment base 2 and one-way stop bar 3,2 upper end of arm attachment base connects anchor pole 1,
Lower end connects one-way stop bar 3, and non-return line 31 is distributed on one-way stop bar 3, each to expand body arm 4 and arm attachment base 2 hingedly and edge
One-way stop bar 3 is circumferential to be uniformly distributed.Arm attachment base 2 and one-way stop bar 3 can be integrally formed, and be also possible to individual two
Element, arm attachment base 2 and one-way stop bar 3 in the present embodiment is individual two elements, in order to manufacture.One-way stop
3 top of bar is equipped with external screw thread, and arm attachment base 2 is equipped with internal screw thread, and one-way stop bar 3 is connected through a screw thread arm attachment base 2.Unidirectionally
The bottom end of arresting lever 3 is preferably tip, is inserted into bottom hole soil with facilitating.
As shown in Figures 2 to 4, in the present embodiment, arm attachment base 2 includes seat board 21 and connector sleeve 24,24 upper end of connector sleeve
Anchor pole 1 is connected, lower end connects one-way stop bar 3, and seat board 21 is nested on connector sleeve 24, and 21 lower surface of seat board is provided with several
Hinged seat 22, expands body arm 4 and hinged seat 22 is hinged, and 21 upper surface of seat board is equipped with several reinforcing ribs 23, reinforcing rib 23 and connector sleeve
24 are welded and fixed to increase the bonding strength of seat board 21 and connector sleeve 24, and hinged seat 22 and reinforcing rib 23 are circumferential along connector sleeve 24
It is uniformly distributed.Connector sleeve 24 in this implementation is attaching nut, and attaching nut is equipped with threaded hole, and attaching nut is connected through a screw thread
Anchor pole 1 and one-way stop bar 3, anchor pole 1 and one-way stop bar 3 in attaching nut to screw direction identical.
In the present embodiment, the quantity for expanding body arm 4 is three, as shown in figure 3, expanding body arm 4 is equipped with limit turning 41, it is single
When moving up to stop sleeve 6 to extreme position, limit turning 41 abuts upper surface and the circumferential surface of one-way stop set 6 to avoid body arm is expanded
4 downwardly turn over gathering, and expand 4 upper surface of body arm and abut to 21 lower surface of seat board of arm attachment base 2 to avoid body arm 4 is expanded excessively
It is flipped up, expands body arm 4 and be maintained at fully unfolded position under the action of one-way stop set 6 and seat board 21.
As shown in Figure 1, Figure 2 and Figure 4, the anti-opening apparatus 5 in this implementation is preferably tension spring, is led between adjacent expansion body arm 4
Cross tension spring connection.In other embodiments, magnet can also be set to replace tension spring in each expansion body arm two sides, passes through adjacent expansion
Magnet on body arm is mutually attracted to provide gathering power for expansion body arm.In addition, torsional spring is arranged in the hinged place for expanding body arm and hinged seat
Also have and prevent opening effect.
As a further improvement, it further includes unloading only screw that reamer type described in the present embodiment, which expands body earth anchor, such as Fig. 5 institute
Show, scotch 62 is equipped with a radial threaded hole, and the periphery of stop round seat 63 is equipped with and the threaded hole on two scotch 62
One-to-one two through-holes, two through-holes are coaxial, unload the corresponding scotch of through-hole screw-in that only screw passes through stop round seat 63
In 62 threaded hole, unloads only screw head and be equipped with pull ring, only screw is unloaded in reversed two pieces of pulling can make scotch 62 be detached from bearing seat
Non-return line 31, and then move down one-way stop set 6.
Fig. 6 to Figure 10 is please referred to, construction procedure of the invention is as follows:
1, as shown in fig. 6, replacing native technology machine drilling to form diameter by high pressure water is 150mm, depth 15m-20m's
Hole.
2, as shown in fig. 7, anchor pole 1 and connector sleeve 24 are screwed on, expand body earth anchor for the reamer type is invented using anchor pole 1
It is put into the hole bottom being drilled, the end of anchor pole 1 is exposed outside hole.Anchor pole 1 used by the present embodiment is fining twisted steel.
3, as shown in figure 8, being pressed using the fining twisted steel exposed on ground to earth anchor, when board presses downwards, soil
Reaction force is applied to one-way stop set 6, moves up the opposite one-way stop bar 3 of one-way stop set 6, and then one-way stop set
6 reactions push three expansion body arms 4 tentatively to open.Then, ground board clamps fining twisted steel and is rotated and promoted expansion body
Movement, realizes preliminary reaming, and reaming height is 2m.For fining twisted steel perpendicular to ground single direction rotation reaming, direction of rotation is to make
The direction that fining twisted steel and connector sleeve 24 screw.
4, as shown in figure 9, continuing to be rotated down earth anchor, the opposite one-way stop bar 3 of one-way stop set 6 is made to move up to continue
It struts and expands body arm 4, open expansion body arm 4 completely until one-way stop set 6 is moved up to extreme position, repeat and rotate and upgrade expansion
Body movement, reaming height are 2m.
5, reamer type expansion body earth anchor as shown in Figure 10, is retained in bottom hole after the completion of reaming campaign, is then infused into hole
Enter cement slurry, completes construction.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (10)
1. a kind of reamer type expands body earth anchor, cooperation anchor pole is used, it is characterised in that: including bearing seat, expand body arm, anti-opening apparatus and
One-way stop set, the hinged several expansion body arms of the bearing seat, bearing seat lower part is in the shape of a rod and is equipped with non-return line on it, unidirectionally
Stop sleeve is nested on the non-return line of bearing seat, and when one-way stop set is located at non-return line bottom end, each body arm that expands is in anti-opening apparatus
The lower closure of effect is disposed around one-way stop set periphery, and one-way stop set struts each expansion body arm when moving up along non-return line.
2. reamer type according to claim 1 expands body earth anchor, it is characterised in that: the one-way stop set includes at least two
A scotch and the elastic card component for being enclosed in each scotch on the non-return line of bearing seat, scotch are radially extended along non-return line
One holding section, holding section is stuck between two line teeth of non-return line under the action of elastic card component.
3. reamer type according to claim 2 expands body earth anchor, it is characterised in that: opened up on the outer peripheral surface of the scotch
There is arc groove, elastic card component covers outside arc groove so that each scotch encloses clamping bearing seat, the elastic engaging
Part is circle tension spring or clip.
4. reamer type according to claim 2 expands body earth anchor, it is characterised in that: the one-way stop set further includes stop
It round seat and closes screw cap, stop round seat and closes screw cap and be equipped with the central through hole passed through for the non-return line of bearing seat, only
Dynamic round seat upper surface is provided in the axial direction with the accommodation groove for accommodating two scotch, the center of the bottom connection stop round seat of accommodation groove
Through-hole, scotch are placed in accommodation groove and accommodate channel opening with screw cap closing is closed.
5. reamer type according to claim 4 expands body earth anchor, it is characterised in that: be equipped at the accommodation groove upper end opening
Internal screw thread closes and is provided with external screw thread on screw cap outer circumference surface, closes the opening that screw cap passes through screw thread locking accommodation groove.
6. reamer type according to claim 4 expands body earth anchor, it is characterised in that: shown in earth anchor further include unloading only screw,
The scotch is equipped with a radial threaded hole, and the periphery of the stop round seat is equipped with and the screw thread on two scotch
One-to-one two through-holes in hole, two through-holes are coaxial, unload the corresponding scotch of through-hole screw-in that only screw passes through stop round seat
Threaded hole in, unload only screw head and be equipped with pull ring, it is reversed pull two pieces unload only screw can make scotch be detached from bearing seat only
Meander, and then move down one-way stop set.
7. reamer type according to claim 1 expands body earth anchor, it is characterised in that: the bearing seat include arm attachment base and
One-way stop bar, the arm attachment base upper end connect anchor pole, and lower end connects one-way stop bar, and the non-return line is distributed in
On one-way stop bar, each expansion body arm and arm attachment base are hinged, and each body arm that expands circumferentially is uniformly distributed along one-way stop bar.
8. reamer type according to claim 7 expands body earth anchor, it is characterised in that: the arm attachment base includes seat board and company
Female connector, connection set upper side connect anchor pole, and lower end connects one-way stop bar, and seat board is nested on connector sleeve, and seat board lower surface is set
Several hinged seats are equipped with, expands body arm and hinged seat is hinged, seat board upper surface is equipped with several reinforcing ribs, and reinforcing rib and connector sleeve weld
The fixed bonding strength to increase seat board and connector sleeve, hinged seat and reinforcing rib are circumferentially uniformly distributed along connector sleeve.
9. reamer type according to claim 8 expands body earth anchor, it is characterised in that: the expansion body arm is equipped with limit and turns
Angle, one-way stop is put on when moving to extreme position, and limit turning abuts upper surface and the circumferential surface of one-way stop set to avoid body is expanded
Arm downwardly turns over gathering, and expand body arm upper surface abut to the seat board lower surface of arm attachment base to avoid expand body arm it is excessively upward
Overturning.
10. expanding body earth anchor to reamer type described in 9 any one according to claim 1, it is characterised in that: the anti-opening apparatus
Pass through tension spring for tension spring, between adjacent expansion body arm to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225438.2A CN109881672A (en) | 2019-03-25 | 2019-03-25 | A kind of reamer type expansion body earth anchor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225438.2A CN109881672A (en) | 2019-03-25 | 2019-03-25 | A kind of reamer type expansion body earth anchor |
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| CN109881672A true CN109881672A (en) | 2019-06-14 |
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| CN201910225438.2A Pending CN109881672A (en) | 2019-03-25 | 2019-03-25 | A kind of reamer type expansion body earth anchor |
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| CN111002485A (en) * | 2019-12-28 | 2020-04-14 | 黄珍珍 | Conveniently be used for fixed adjusting device of construction wall drilling |
| CN111335325A (en) * | 2020-03-05 | 2020-06-26 | 信息产业部电子综合勘察研究院 | Deep foundation pit supporting structure |
| CN111911778A (en) * | 2020-08-19 | 2020-11-10 | 方晓霞 | Camera support with self-protection function |
| CN115354682A (en) * | 2022-07-21 | 2022-11-18 | 山东科技大学 | Ocean anchoring foundation and using method thereof |
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| CN111911778A (en) * | 2020-08-19 | 2020-11-10 | 方晓霞 | Camera support with self-protection function |
| CN115354682A (en) * | 2022-07-21 | 2022-11-18 | 山东科技大学 | Ocean anchoring foundation and using method thereof |
| CN115354682B (en) * | 2022-07-21 | 2023-10-03 | 山东科技大学 | Ocean anchoring foundation and application method thereof |
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