CN104711995A - Spiral pile anchor rod - Google Patents
Spiral pile anchor rod Download PDFInfo
- Publication number
- CN104711995A CN104711995A CN201510131589.3A CN201510131589A CN104711995A CN 104711995 A CN104711995 A CN 104711995A CN 201510131589 A CN201510131589 A CN 201510131589A CN 104711995 A CN104711995 A CN 104711995A
- Authority
- CN
- China
- Prior art keywords
- foundation platform
- screw pile
- pile
- anchor pole
- screw
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/16—Foundations formed of separate piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/56—Screw piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Abstract
The invention relates to the field of building engineering, in particular to a spiral pile anchor rod. The spiral pile anchor rod comprises a foundation platform and anchor rods. One end of each anchor rod is arranged on one side of the foundation platform. Each anchor rod comprises a pile body and a spiral tooth, wherein each spiral tooth is spirally arranged on the side wall of the corresponding pile body. Due to the fact that the spiral pile anchor rod comprises the foundation platform, spiral piles and the anchor rods, the load is borne through the foundation platform, the foundation platform is fixed to the ground through the spiral piles and the anchor rods, the spiral teeth are arranged on the surfaces of the spiral piles, the spiral piles and the foundation platform are fixed through the anchor rods, the fixing strength of the portions, below the ground and in a basic layer, of the spiral piles and the anchor rods is enhanced, and therefore the foundation platform is more stably and reliably fixed to the basic layer. Operation is easy and convenient through the arrangement, time is saved, and manufacturing cost is reduced to a great extent.
Description
Technical field
The present invention relates to building engineering field, in particular to a kind of screw pile anchor pole.
Background technology
Ordinary pile foundation plinth cushion cap foundation, what pile foundation part adopted is reinforced concrete pile or cement mixing method.
Reinforced concrete pile is different according to hole forming method, is divided into again bored pile, tube-sinking cast-in-situ pile, manually digging hole filling pile, explosive expansion castinplace pile etc.Reinforced concrete pile has constructional difficulties, and cost is all higher.
Cement mixing method is a kind of method for reinforcing the low ground of saturated soft clay, it utilizes cement as curing compound, by special Mixing Machine, in ground depths by weak soil and curing compound action of forced stirring, utilize the series of physical chemical reaction produced between curing compound and weak soil, weak soil is hardened into have the high-quality ground of globality, water stability and some strength.
The general principle of soil-cement is the physical-chemical reaction process based on soil-cement; it is different from hardening of concrete mechanism; because cement mixing content is few; cement be have certain active medium-soil around under react; rate of hardening is comparatively slow, and effect is complicated, after cement hydrolysis and aquation generate various hydrate; the ion-exchange of generation again had and pellet effect and pozzolanic reaction, make the soil strength of cement-soil greatly improve.
Piling experiment must be carried out before construction, to determine the various construction parameters such as cement mixed weight, verify stir degree and expanded diameter, take off the resistance situation of boring and promoting, corresponding construction technology is taked for place different characteristics, select different soft stratums and the long location of different stakes to carry out respectively during pile, and carry out corresponding total length and to loose core test and loading test, inspection or the design load of amendment design match ratio and bearing capacity.
As can be seen from the above, when using cement mixing method, its process is loaded down with trivial details, and production technology is comparatively complicated; Making after a procedure also can be comparatively difficult in recovery to cement mixing method, also needs to backfill foundation ditch, also need to use suitable filler etc. during backfill from underground after being extracted by cement mixing method.That is, when using cement mixing method in whole process from start to end, the slow and high cost of complexity of its construction, the speed of construction is all the problems needing to solve.
Summary of the invention
The object of the present invention is to provide a kind of screw pile anchor pole, to solve the above problems.
Provide a kind of screw pile anchor pole in an embodiment of the present invention, comprise foundation platform, screw pile and anchor pole;
One end of described screw pile is arranged on the side of described foundation platform;
Described screw pile comprises pile body and helical tooth;
Described helical tooth curl is arranged on the sidewall of described pile body;
Described pile body is hollow cylinder;
Described anchor pole through described screw pile by described foundation platform and described spiral piled anchor tight.
Further, described pile body is most advanced and sophisticated away from one end of described foundation platform.
Pile body is set to tip away from one end of foundation platform, can pile body is made more easily to bury, and then reduce the power required when rotating pile body.
Further, described anchor pole runs through the setting of described foundation platform.
For ensureing the firmness of anchor pole on foundation platform, anchor pole can be run through whole foundation platform, increasing the contact area of anchor pole and foundation platform, and then increase anchor pole and the fastness be fixedly connected with between foundation platform.
Further, described pile body is provided with setscrew nut;
Described setscrew nut is arranged on described screw pile one end near described foundation platform, and is arranged on the side of described foundation platform near described screw pile.
Pile body is provided with the setscrew nut be threaded with pile body, setscrew nut is arranged on the below of foundation platform, and the weight of foundation platform is carried by setscrew nut, avoids the damage of foundation platform to helical tooth.
Further, described anchor pole is provided with hold-down nut;
Described hold-down nut is arranged on the exposed one end outside described screw pile of described anchor pole, and is arranged on the side of described foundation platform away from described screw pile.
The hold-down nut be connected with screw pile is set in the upside of foundation platform, by hold-down nut, foundation platform and screw pile is fixed together, limit its degree of freedom in axis, ensure that the stability of foundation platform, improve the life-span of foundation platform.
Further, described helical tooth is that multistage is arranged.
After helical tooth is set to multistage, when not affecting the fastness of screw pile, the power needed for screw pile rotation can be reduced.
Further, described helical tooth is multiple tooth.
Helical tooth is set to multiple tooth, can ensure the stability of screw pile when underground.
Further, described screw pile is many.
When screw pile is many, the supporting capacity of foundation platform can not only be made to increase, more can limit the rotational freedom of foundation platform on screw pile, and then ensure foundation platform stability in use.
Further, the rotation direction of the described helical tooth of many described screw piles is identical.
When the rotation direction of the helical tooth on screw pile is identical, can rotate to same direction when can insert each screw pile to underground, simultaneously to counter-rotation when extracting each screw pile from underground, can be more convenient when operating, do not need to sound out the rotation direction of each root screw pile, improve operating efficiency.
Further, described foundation platform is burnishing surface away from the side of described screw pile.
The upside of foundation platform is burnishing surface, and the carrying out be conducive to like this on foundation platform carries, and the personnel that are also beneficial to work on foundation platform.
Screw pile anchor pole provided by the invention, comprise foundation platform, screw pile and anchor pole, load-bearing is carried out by foundation platform, by screw pile and anchor pole, foundation platform is fixed on the ground, at screw pile, helical tooth is set on the surface, by anchor pole, screw pile and foundation platform are fixed again, strengthen screw pile and the constant intensity of anchor pole in below ground part basic unit inside like this, more reliable and more stable when foundation platform is fixed in basic unit.Such setting operation is simple and convenient, has not only saved the time, has also considerably reduced cost of manufacture.
Accompanying drawing explanation
In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the single-screw stake of screw pile anchor pole of the present invention;
Fig. 2 is the structural representation of many screw piles of screw pile anchor pole of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the structural representation of the multiple tooth single hop spiral plate type of screw pile anchor pole of the present invention;
Fig. 5 is the structural representation of the monodentate multistage spiral plate type of screw pile anchor pole of the present invention.
Reference numeral:
1: hold-down nut 2: foundation platform 3: setscrew nut
4: pile body 5: helical tooth 6: anchor pole
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, carry out clear, complete description by technical scheme of the present invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope that the present invention protects.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
As shown in drawings, the invention provides a kind of screw pile anchor pole, comprise foundation platform 2, screw pile and anchor pole 6;
One end of described screw pile is arranged on the side of described foundation platform 2;
Described screw pile comprises pile body 4 and helical tooth 5;
Described helical tooth 5 curl is arranged on the sidewall of described pile body 4;
Described pile body 4 is hollow cylinder;
Described anchor pole 6 through described screw pile by described foundation platform 2 and described spiral piled anchor tight.
Foundation platform 2 is the platforms for load-bearing, after foundation platform 2 is supported by screw pile, may be used for carrying weight etc.
The upside of foundation platform 2 is weight-bearing surface, and downside is fixedly connected with screw pile.Screw pile arranges helical tooth 5, when foundation platform 2 fixes on the ground by needs, does not need to hole to ground, only need rotate the pile body 4 of screw pile, pile body 4 drives helical tooth 5 to rotate, and screw pile will be pierced underground, and then is fixed on by screw pile on the ground.When one end of screw pile enter underground fixing after, then by anchor pole 6, foundation platform 2 and screw pile to be fixed.
Owing to screw pile being provided with helical tooth 5, when screw pile is inserted in underground, helical tooth 5 can produce resistance to the axis of screw pile, and screw pile cannot directly be extracted from underground, and then add the stability of screw pile, just add the stability of foundation platform 2 further.
Be preferred embodiment that described pile body 4 is most advanced and sophisticated away from one end of described foundation platform 2.
Pile body 4 is set to tip away from one end of foundation platform 2, pile body 4 can be made more easily to bury, and then reduce the power required when rotating pile body 4.
It is to be noted, the tip of pile body 4 can be set to coniform, it can maximized reduction resistance like this, but its tip is not only confined to coniform, it can also be round table-like, spherical or round platform and spherical combination etc., although increase resistance like this relative to cone shape tip, decrease screw pile hurts people in the process of movement situation generation due to conical tip.
That is, as long as the diameter that screw pile inserts one end of underground is less than the diameter with the one end be fixed on foundation platform 2, such setting just can meet the resistance reducing to insert under screw pile rotates.
Be preferred embodiment that described anchor pole 6 runs through described foundation platform 2 and arranges.
For ensureing the firmness of anchor pole 6 on foundation platform 2, anchor pole 6 can be run through whole foundation platform 2, increasing the contact area of anchor pole 6 and foundation platform 2, and then increase anchor pole 6 and the fastness be fixedly connected with between foundation platform 2.
Anchor pole 6 runs through foundation platform 2 and arranges the fastness that not only can increase between the two, also can produce other beyond thought effects, as run through foundation platform 2 due to anchor pole 6, and then foundation platform 2 can be made to move up and down on anchor pole 6, suitable adjustment is carried out to the height of foundation platform 2, to reach the requirement that can adapt to differing heights work, for another example after the foundation platform 2 outermost anchor pole of a week 6 length increases, the effect of railing can be played, add the safety of the personnel worked on foundation platform 2.
It is pointed out that screw pile now also can be run through foundation platform 2 to arrange.
Be preferred embodiment that described pile body 4 is provided with setscrew nut 3;
Described setscrew nut 3 is arranged on described pile body 4 one end near described foundation platform 2, and is arranged on the side of described foundation platform 2 near described pile body 4.
Because pile body 4 can be run through foundation platform 2 to arrange, its upper and lower axial location does not have spacing, foundation platform 2 can be made directly to drop to helical tooth 5 place, not only cannot ensure the stability in use of foundation platform 2, also can cause certain damage to helical tooth 5, affect the use of anchor pole 6.
For solving the problem, the present invention is provided with setscrew nut 3 on pile body 4.Setscrew nut 3 is threaded with pile body 4, setscrew nut 3 is arranged on the below of foundation platform 2, and the weight of foundation platform 2 is carried by setscrew nut 3, avoids the damage of foundation platform 2 pairs of helical tooths 5.
When needing to regulate the height of foundation platform 2, rotational positioning nut 3 is only needed to adjust the position of setscrew nut 3 on pile body 4.
Be preferred embodiment that described anchor pole 6 is provided with hold-down nut 1;
Described hold-down nut 1 is arranged on the exposed one end outside described screw pile of described anchor pole 6, and is arranged on the side of described foundation platform 2 away from described screw pile.
After foundation platform 2 is positioned by setscrew nut 3, in the process used, the instrument that likely can be able to shake in upper placement, and then easily drive foundation platform 2 to shake together, add the shock between foundation platform 2 and setscrew nut 3, thus damage is caused to foundation platform 2, affect the application life of foundation platform 2.
For solving the problem, the present invention is provided with the hold-down nut 1 be connected with anchor pole 6 in the upside of foundation platform 2, by hold-down nut 1, foundation platform 2, screw pile and anchor pole 6 is fixed together, restriction screw pile and anchor pole 6 are in the degree of freedom of axis, ensure that the stability of foundation platform 2, improve the life-span of foundation platform 2.
Be preferred embodiment that described helical tooth 5 is multistage setting.
Although the helical tooth 5 entire body setting on pile body 4 and the pile body 4 of full helical tooth 5 can increase screw pile fastness on the ground, such being arranged on when it enters ground can need larger power to drive the rotation of pile body 4.
After helical tooth 5 is set to multistage, when not affecting the fastness of screw pile, pile body 4 can be reduced and rotates required power.
The tooth depth of helical tooth 5, transverse tooth thickness, space width and joint number hop count all can the load-carrying needed for the integrated cushion cap of reality carry out judging and selecting.
Be preferred embodiment that described helical tooth 5 is multiple tooth.
Helical tooth 5 is set to multiple tooth, can ensure the stability of screw pile when underground.
It is pointed out that helical tooth 5 can be multiple tooth, but the monodentate that also can be, and its concrete structure can calculate according to the upper load of screw pile.
Be preferred embodiment that described screw pile is many.
When the area of foundation platform 2 is less, a screw pile can be used to carry out carrying to foundation platform 2 and to fix, when the area of foundation platform 2 is larger, needs to use multiple screw pile to carry out carrying to foundation platform 2 and fix.
When screw pile is many, the supporting capacity of foundation platform 2 can not only be made to increase, more can limit the rotational freedom of foundation platform 2 on screw pile, and then ensure foundation platform 2 stability in use.
The quantity of screw pile calculates according to the load of foundation platform 2, as long as can carry required necessary instrument that foundation platform 2 and foundation platform 2 work.
When screw pile is many, its every root screw pile can not be all vertically arrange, and its set-up mode can be suit measures to local conditions, and determines according to actual geographic position, and as shown in Figure 2, the several screw piles around it can be obliquely installed etc.
Be preferred embodiment that the rotation direction of the described helical tooth 5 of many described screw piles is identical.
When the rotation direction of the helical tooth 5 on screw pile is identical, can rotate to same direction when can insert each screw pile to underground, simultaneously to counter-rotation when extracting each screw pile from underground, can be more convenient when operating, do not need to sound out the rotation direction of each root screw pile, improve operating efficiency.
Be preferred embodiment that described foundation platform 2 is burnishing surface away from the side of described screw pile.
The upside of foundation platform 2 is burnishing surface, and the carrying out be conducive to like this on foundation platform 2 carries, and the personnel that are also beneficial to work on foundation platform 2.
The shape of the another side of foundation platform 2 can have any shape, as shown in Figure 2, can be that a round platform is set thereon, to increase the intensity at foundation platform 2 center, can also be the thickness increasing foundation platform 2 around downside, even if the shape of whole foundation platform 2 is the staving etc. that Open Side Down.
The present invention is in the process used, generally after first screw pile being rotated, one end is inserted into underground, foundation platform 2 is installed after being adjusted position by setscrew nut 3 by the other end, is fixed by foundation platform 2 more afterwards by hold-down nut 1, final step, after foundation platform 2 has been built, pre-stress construction is carried out to the anchor pole 6 implanted in screw pile, improved the safety of foundation platform 2 and saved diameter and the quantity of reinforcement of foundation platform 2.
After finishing using, can be disassembled by reverse-order operation, and screw pile generally does not need to carry out the operations such as backfill after extracting out from underground yet, it is more convenient and simple, and cost of manufacture is low.
Screw pile anchor pole provided by the invention, comprise foundation platform 2, screw pile and anchor pole 6, load-bearing is carried out by foundation platform 2, by screw pile anchor pole, foundation platform 2 is fixed on the ground, at screw pile, helical tooth 5 is set on the surface, by anchor pole 6, screw pile and foundation platform 2 are fixed again, strengthen screw pile and the constant intensity of anchor pole 6 in below ground part basic unit inside like this, more reliable and more stable when foundation platform 2 is fixed in basic unit.Such setting operation is simple and convenient, has not only saved the time, has also considerably reduced cost of manufacture.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a screw pile anchor pole, is characterized in that, comprises foundation platform, screw pile and anchor pole;
One end of described screw pile is arranged on the side of described foundation platform;
Described screw pile comprises pile body and helical tooth;
Described helical tooth curl is arranged on the sidewall of described pile body;
Described pile body is hollow cylinder;
Described anchor pole through described screw pile by described foundation platform and described spiral piled anchor tight.
2. screw pile anchor pole according to claim 1, is characterized in that, described pile body is most advanced and sophisticated away from one end of described foundation platform.
3. screw pile anchor pole according to claim 1, is characterized in that, described anchor pole runs through described foundation platform and arranges.
4. screw pile anchor pole according to claim 1, is characterized in that, described pile body is provided with setscrew nut;
Described setscrew nut is arranged on described screw pile one end near described foundation platform, and is arranged on the side of described foundation platform near described screw pile.
5. screw pile anchor pole according to claim 4, is characterized in that, described anchor pole is provided with hold-down nut;
Described hold-down nut is arranged on the exposed one end outside described screw pile of described anchor pole, and is arranged on the side of described foundation platform away from described screw pile.
6. screw pile anchor pole according to claim 1, is characterized in that, described helical tooth is that multistage is arranged.
7. screw pile anchor pole according to claim 1, is characterized in that, described helical tooth is multiple tooth.
8. screw pile anchor pole according to claim 1, is characterized in that, described screw pile is many.
9. screw pile anchor pole according to claim 8, is characterized in that, the rotation direction of the described helical tooth of many described screw piles is identical.
10. the screw pile anchor pole according to any one of claim 1-9, is characterized in that, described foundation platform is burnishing surface away from the side of described screw pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131589.3A CN104711995A (en) | 2015-03-24 | 2015-03-24 | Spiral pile anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131589.3A CN104711995A (en) | 2015-03-24 | 2015-03-24 | Spiral pile anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104711995A true CN104711995A (en) | 2015-06-17 |
Family
ID=53411687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131589.3A Pending CN104711995A (en) | 2015-03-24 | 2015-03-24 | Spiral pile anchor rod |
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| CN (1) | CN104711995A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411910A (en) * | 2018-03-13 | 2018-08-17 | 北京恒华伟业科技股份有限公司 | A kind of Screw Anchor composite foundation assembly and its Screw Anchor |
| CN108914961A (en) * | 2018-08-03 | 2018-11-30 | 福州铭林钢塔钢构制造有限公司 | Using the communication iron tower foundation and construction method of Screw Anchor |
| CN109750667A (en) * | 2019-02-28 | 2019-05-14 | 威海立达尔机械股份有限公司 | A kind of Pseudobulbus Bletillae (Rhizoma Bletillae) over-water construction floating platform and installation method |
| CN113090097A (en) * | 2021-03-30 | 2021-07-09 | 湖南省永盛电力器材有限公司 | Power transmission line iron tower component for signal tower |
| CN114837094A (en) * | 2022-05-27 | 2022-08-02 | 中国铁建重工集团股份有限公司 | Anchoring structure and self-anchoring steel foundation platform for bridge building machine comprising same |
| CN108914961B (en) * | 2018-08-03 | 2024-04-26 | 福州铭林钢塔钢构制造有限公司 | Communication iron tower foundation adopting spiral anchors and construction method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108411910A (en) * | 2018-03-13 | 2018-08-17 | 北京恒华伟业科技股份有限公司 | A kind of Screw Anchor composite foundation assembly and its Screw Anchor |
| CN108914961A (en) * | 2018-08-03 | 2018-11-30 | 福州铭林钢塔钢构制造有限公司 | Using the communication iron tower foundation and construction method of Screw Anchor |
| CN108914961B (en) * | 2018-08-03 | 2024-04-26 | 福州铭林钢塔钢构制造有限公司 | Communication iron tower foundation adopting spiral anchors and construction method |
| CN109750667A (en) * | 2019-02-28 | 2019-05-14 | 威海立达尔机械股份有限公司 | A kind of Pseudobulbus Bletillae (Rhizoma Bletillae) over-water construction floating platform and installation method |
| CN113090097A (en) * | 2021-03-30 | 2021-07-09 | 湖南省永盛电力器材有限公司 | Power transmission line iron tower component for signal tower |
| CN113090097B (en) * | 2021-03-30 | 2024-03-12 | 湖南省永盛电力器材有限公司 | Transmission line iron tower component for signal tower |
| CN114837094A (en) * | 2022-05-27 | 2022-08-02 | 中国铁建重工集团股份有限公司 | Anchoring structure and self-anchoring steel foundation platform for bridge building machine comprising same |
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Application publication date: 20150617 |