JPS58164825A - Floor plate for foundation of climbing crane - Google Patents
Floor plate for foundation of climbing craneInfo
- Publication number
- JPS58164825A JPS58164825A JP4779082A JP4779082A JPS58164825A JP S58164825 A JPS58164825 A JP S58164825A JP 4779082 A JP4779082 A JP 4779082A JP 4779082 A JP4779082 A JP 4779082A JP S58164825 A JPS58164825 A JP S58164825A
- Authority
- JP
- Japan
- Prior art keywords
- foundation
- ground
- crane
- floor plate
- climbing crane
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Jib Cranes (AREA)
Abstract
Description
【発明の詳細な説明】
本発明はクライミングクレーンの設置特に山岳急傾斜地
、狭少な場所等クレーンを設置１する場曾にクレーンの
基礎として使用される。クライミ、 ングクレーン基イ
ｄ用床板に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention is used as a foundation for a climbing crane, particularly in places where the crane is installed, such as on steep mountain slopes or in narrow spaces. This article relates to floor plates for crane bases.
近年、電力需要の伸びは著しく、発電所が各地に建設さ
れているが、環境問題等により遠隔地化を余儀なく埒れ
ており、高圧長距離送電が必然となってきている。これ
にともない送電鉄１菩も大型化の一途ケたどり、同時に
送電ルートも環境保全面等から山岳地を経由することが
多くなってきている。斯かる鉄塔の大型化や施工条件の
悪化により従来工法では鉄塔建設が困難となりつつあり
、鉄塔建設工事の機械化が急がれ、本格的なりライミン
グクレーンの導入が強力に進められている。In recent years, the demand for electricity has increased significantly, and power plants are being built all over the country, but environmental issues have forced them to become more remote, and high-voltage, long-distance power transmission has become inevitable. Along with this, power transmission lines are becoming larger and larger, and at the same time, power transmission routes are increasingly going through mountainous areas for reasons such as environmental protection. Due to the increase in the size of such steel towers and deterioration of construction conditions, it is becoming difficult to construct steel towers using conventional construction methods, and there is an urgent need to mechanize the construction of steel towers, and the introduction of full-scale liming cranes is being strongly promoted.
従来の送電鉄塔の建設は、第１図に示す如く、クレーン
基礎αのＪ．に架台ｂ’ｆ配置し、更にその上にガイド
マストｃｆ配設固定して該ガイドマストｃの内部にマス
トｄを嵌装したクライミングクレーンが使用されている
。ガイドマスト“Ｃと既に設置さ九ている基礎鉄塔を間
に上部ガイロープｆ１下部ガイロープσを張渡しクレー
ンの転倒或は横移動全防止している。As shown in Figure 1, conventional power transmission tower construction involves the construction of J. A climbing crane is used in which a mount b'f is disposed on the mount b'f, a guide mast cf is fixedly arranged on the mount b'f, and a mast d is fitted inside the guide mast c. An upper guy rope f1 and a lower guy rope σ are stretched between the guide mast "C" and the already installed foundation steel tower to completely prevent the crane from falling over or moving laterally.
王制の如くクレーンを設置すると、垂直分力はクレーン
基礎αを介して地盤に伝達され、水平分力或は転倒モー
メント等は上下ガイロープ／． Ｇ１．基礎鉄塔ｔｋ
介して地盤にそれぞれ伝達される。When a crane is installed like a king system, the vertical component force is transmitted to the ground via the crane foundation α, and the horizontal component force or overturning moment is transmitted to the upper and lower guy ropes/. G1. foundation steel tower tk
are transmitted to the ground through the respective channels.
前記した様に送電鉄塔は大型化しているので、クレーン
基礎αは増大するクレーンの基礎荷重に相応するもので
なければならない。従って、クレーン基礎αを設置する
為の資材及び運搬、コンクリート打設に要する費用は増
加の一途全たどり、又鉄塔完成後にクレーンを撤去した
場合環境保全の為原状復帰が要求されるが、クレーン撤
去後の原状復帰作業が増々面倒になる。As mentioned above, power transmission towers are becoming larger, so the crane foundation α must be able to handle the increasing foundation load of the crane. Therefore, the costs required for materials, transportation, and concrete pouring to install the crane foundation α will continue to increase, and if the crane is removed after the tower is completed, it will be required to return to its original condition for environmental protection, but the crane will be removed. The work of restoring it to its original state later on becomes more and more troublesome.
通常、鉄塔用クレーンは一現場当りの設置期間が１〜２
箇月で極めて短かく移転転用頻度が昼いので、基礎設置
費用、原状復帰の費用は重要な間哨である。Usually, the installation period for steel tower cranes is 1 to 2 times per site.
Since the period of time is extremely short (only a few months) and the frequency of relocation and conversion is daytime, the cost of installing foundations and restoring the site to its original state is an important consideration.
本発明は斯かる実情を鑑み、クライミングクレーンの設
置を容易且迅速に行えクレーンの撤去も容易に行える様
にすると共にクレーン設置の為に使用した資材の再利用
を可能にして経済・曲ヲ大幅に向上させることを目的と
するものである。 ・。In view of these circumstances, the present invention has been developed to allow climbing cranes to be installed easily and quickly, and to be removed easily, as well as to enable the reuse of materials used to install the cranes, resulting in significant economic and cost savings. The purpose is to improve・.
以下図面を参照しつつ本発明の詳細な説明する。The present invention will be described in detail below with reference to the drawings.
先ず第２図〜第３図は本発明に係る床板の第１の使用例
を示すものである。First, FIGS. 2 and 3 show a first usage example of the floorboard according to the present invention.
図中（１）は山岳地の傾斜地ｆｆｉ’に示し、該傾斜地
盤（１）の所要範囲を適宜整地して、クレーン設置の為
の整地地盤（２） ｆ：形成し、整地地盤の外側に所要
寸法の穴（７）を掘削する。 （３）は架台装置を示し
、該架台装置（３）にガイドマス） ｒ４） ’ｉ立設
すると共にガイドマスト（４）内部にマス） （５）ｋ
嵌装しである。（６）は鉄塔の基礎であって、該基礎（
６）には基礎鉄柱（８）全埋設固定し、基礎鉄柱（８）
の所要位置にはガセットプレー） （９） ’ｅ固着し
である。In the figure, (1) shows a sloped land ffi' in a mountainous area, and the required area of the sloped ground (1) is leveled as appropriate to form leveled ground (2) f: for crane installation, and outside of the leveled ground. Drill a hole (7) of the required size. (3) indicates a gantry device, and a guide mast (4) is installed on the gantry device (3) and a mass is installed inside the guide mast (4) (5)k
It is fitted. (6) is the foundation of the steel tower, and the foundation (
6), the foundation steel column (8) is completely buried and fixed, and the foundation steel column (8) is completely buried and fixed.
Gusset play at the required position) (9) 'e is fixed.
尚、（ト）はカセットプレート（９）に対峙させガイド
マスト（４）の頂部に固着したカセットプレートである
。Note that (g) is a cassette plate that faces the cassette plate (9) and is fixed to the top of the guide mast (4).
次に、ベースフレームαη、支持脚Ｑ３、床板（２）を
主たる構成要素とする前記架台装置（３）全説明する。Next, the gantry device (3) whose main components are the base frame αη, the support legs Q3, and the floor plate (2) will be fully explained.
ベースフレームαηはクレーンの重量、荷重旨を支持す
るに十分な強度を有する矩形形状をしており、該ベース
フレームαηの相対向する２側辺面より一対のブラケッ
ト（１クヲ延出せしめ、ブラケッ） （１＠の先端に下
方に延びる支持脚０峰を着脱自在に取付ける。支持１１
ｊ４１ （ＩＩは所要長さの脚ユニッ） Ｑ４１を所要
数継足してなるもの（第５（９）では脚ユニツ） （１
４）の数は１）で取外しも勿論可能である。ＯＱは整地
地盤（２）に載置される基礎床盤であって、前記床板０
１１−ボルト等の係合子α７）によって剛体結合してな
るものであり、係合子αηの除去によって、床、ｔＮ
（ｌｆ９は分離する。床板００の上面にはそれぞれ受台
（至）を設は該受台（］８１はベースフレーム（ｌυの
下面に設けた垂直分力伝達部材０９と結付可能としてあ
り、床板０Ｑの２側辺は互に結合し得る様契合当接面、
フランジ、係合子挿、通用の穴等全備えている。（にそ
の構造はクレーンの基礎荷重を分担し地盤へ伝達するに
十分な面積、強度を有するものとなっている。ここで前
記垂直分力伝達部打曲は例えはスクリュージヤツキ等の
高さ調整具翰ヲ備え、ベースフレームａηの最終レベル
出しを行える様になっている。The base frame αη has a rectangular shape with sufficient strength to support the weight and load of the crane. ) (Removably attach the support leg 0 extending downward to the tip of 1@. Support 11
j41 (II is the leg unit of the required length) The one formed by adding the required number of Q41 (leg unit in 5th (9)) (1
Of course, the number 4) can be removed in 1). OQ is a foundation floor plate placed on the leveled ground (2), and the floor plate 0
11 - It is rigidly connected by an engaging element α7) such as a bolt, and by removing the engaging element αη, the floor, tN
(lf9 is separated. A pedestal (to) is provided on the upper surface of the floor plate 00, and the pedestal ()81 can be connected to the vertical force transmission member 09 provided on the lower surface of the base frame (lυ). The two sides of the floor plate 0Q have contact surfaces that can be connected to each other,
It is fully equipped with flanges, engager insertion, common holes, etc. (The structure has sufficient area and strength to share the foundation load of the crane and transmit it to the ground.Here, the vertical component force transmitting part is bent at the height of a screw jack, etc.) Equipped with an adjustment tool, it is possible to adjust the final level of the base frame aη.
次にクライミングクレーンの設置について説明する、
基礎床盤０５１’に整地地盤（２）に載置する。ブラケ
ット０匂に支持脚０３ヲ取付け、該支持脚（ｌ騰を前記
した穴（７）に挿入すると共に垂直分力伝達部材α呻と
受台θ８）とを合致させボルト等で固着する。垂直分力
伝達部材（１’Ｊに於いてベースフレームａηのレベル
調整を行った後、前記穴（７）に掘削した土を埋戻し、
支持脚θ［有］を埋込み固定する。次にカセットプレー
ト（９）と（イ）間にガイロープＱυを掛渡し、ターン
バックル等の緊張具（イ）によって所要の張力となる様
緊張させである。Next, we will explain the installation of the climbing crane. It is placed on the leveled ground (2) on the foundation bed 051'. Attach the support leg 03 to the bracket 0, insert the support leg into the hole (7) described above, align the vertical force transmitting member α and the pedestal θ8, and secure them with bolts or the like. After adjusting the level of the base frame aη in the vertical force transmission member (1'J), backfill the hole (7) with the excavated soil,
Embed and fix the support leg θ [present]. Next, a guy rope Qυ is stretched between the cassette plates (9) and (A), and tensioned to the required tension using a tensioning device (A) such as a turnbuckle.
上記架台装置に於いて、クレーンの自重、荷重は垂直分
力伝達部材（１０涜して基億床盤ｍに伝達され、更に基
礎床１ｏ５１より整地地！ （２）に伝達される。ここ
で前記した如く、基礎床盤０式は４組の垂直分力伝達部
材０鴨の個々に対応する４枚の床板０・の集会体である
が、剛体結合させであるので実効接地面積が増大し単位
面積当りの地盤接地圧力が礒減される。又、クレーン全
体に作用する垂直荷重、旋回慣性力、１紙背重、地実荷
重等によって発生する水平分力は支持脚０３を介して地
盤に伝達される。又、前記ガイロープＱυはクレーン全
体の転倒を防止する為に張設される。 。In the above-mentioned mount device, the crane's own weight and load are transmitted to the base floor plate m through the vertical force transmission member (10), and further transmitted from the foundation floor 1o51 to the leveled ground! (2). As mentioned above, the foundation floor plate type 0 is an assembly of four floor plates corresponding to four sets of vertical force transmission members, but since they are rigidly connected, the effective ground area increases. The ground contact pressure per unit area is reduced.In addition, the horizontal component force generated by the vertical load acting on the entire crane, swinging inertia force, back weight of one sheet, ground load, etc. is applied to the ground via the support leg 03. In addition, the guy rope Qυ is stretched to prevent the entire crane from falling.
クレーンを撤去する場合は上記したクレーン設置の手１
頓の逆を行えばよいが、支持脚０４１Ｆ！：抜去し、基
礎床盤０−＄に単に取り去るだけでよく、しかも基礎床
盤ＱＯは床板００に分離し得て取扱が頗る容易である。When removing the crane, use method 1 of installing the crane as described above.
You can just do the opposite, but support leg 041F! : It is sufficient to simply remove the base floor plate 0-$, and the base floor plate QO can be separated into the floor plate 00, making it extremely easy to handle.
更に、原状復帰も穴を埋戻すだけでよく簡単であると共
に取外した床板（至）、支持脚０３は再利用できる。Furthermore, restoration to the original state is easy, just by backfilling the hole, and the removed floorboards and support legs 03 can be reused.
次に第６図〜第８図に於いて本発明の床板（ｌυの第２
の使用例ヲ示すものである。Next, in FIGS. 6 to 8, the second floor plate of the present invention (lυ)
This shows an example of its use.
第２の使用例では床板００を分離し、該床板曲を埋没さ
せることにより、クレーン全体の転倒防止に必要な垂Ｉ
Ｋ引揚抑市力を発生せしめている。
・
ベースフレームαＶの対角線延長上にそれぞ几ブラケッ
ト（功ヲ張出せしめ、該ブラケットθ′４の先端に高さ
調整具−ケ介しボルト（２）により支持脚０３ヲ取付け
、支持脚（１４の下端にはそれぞれ床板Ｏｎ固着する、
又、支持脚（１３に対応する箇所に床板０口１込むに十
分な大きさで且所要深さの穴（７）全掘削し、該穴（７
）に基礎コンクリート（ハ）を打設すると共に基礎コン
クリートには所要数のアンカポル）Ｉｎ’ｅ咳設する。In the second usage example, by separating the floor plate 00 and burying the curved floor plate, the vertical I
This is creating a force to suppress the repatriation of the city.
・ Extend the brackets on the diagonal extension of the base frame αV, attach the support legs 03 to the tips of the brackets θ'4 with the height adjustment screws (2), and attach the support legs (14). Each floor plate On is fixed to the bottom edge of the
In addition, a hole (7) of sufficient size and required depth to fit the floor plate 0 and 1 in the location corresponding to the support leg (13) is completely excavated, and the hole (7) is
), and at the same time pour the foundation concrete (c) and place the required number of anchorages on the foundation concrete.
クレーンを設置する場合は支持脚０３を穴（７）に挿入
し、アンカボルト（イ）によって基礎コンクリート■と
床板（ｌｆｉｌとを固着する。次に、高さ調整具−によ
って基礎コンクＩＪ −ト（２）打設の時点で予め調整
されたレベルの最終調整を行い固定する。次に、掘削土
を穴（７）に埋め戻して、架台装置の設置は完了する。When installing the crane, insert the support leg 03 into the hole (7), and use the anchor bolt (a) to secure the foundation concrete ■ and the floorboard (lfil).Next, use the height adjustment tool to secure the foundation concrete IJ- (2) At the time of pouring, the final level adjusted in advance is made and fixed. Next, the excavated soil is backfilled into the hole (7), and the installation of the pedestal device is completed.
第２の使用例に於いては垂直分力伝達部材の機能は支持
脚０４゛に兼ねられており、垂直分力伝達部材も省略さ
れた構造となっている。In the second usage example, the function of the vertical component force transmitting member is also used by the support leg 04', and the structure is such that the vertical component force transmitting member is also omitted.
上記構造に於みる水平分力、垂直分力の地盤への丙達メ
カニズムは第１の使用例と略同様である。The mechanism by which the horizontal component force and vertical component force reach the ground in the above structure is substantially the same as in the first usage example.
次にクレーン伝声ｊに起因する垂直引揚力には床板０υ
、基礎コンクリート（２）、埋戻し土の重量が対抗し、
クレーンの転倒を防止する。Next, the vertical lifting force caused by the crane transmission j has the floor plate 0υ
, foundation concrete (2), and the weight of backfill soil oppose,
Prevent the crane from tipping over.
クレーンを撤去する場合、穴（７） ’（ｉ： ’１１
起し基礎コンクリート（２４と床板（）ＩＩＧとを切離
せば佃ちに撤去でき、原状復帰さゼる場合は基礎コンク
リ−１４４１’を残置させた状態で埋直せば完了する。When removing the crane, hole (7) '(i: '11
If the raised foundation concrete (24) and the floor plate () IIG are separated, it can be removed immediately, and if it is to be restored to its original state, it can be completed by reburying it with the foundation concrete 1441' left in place.
而して、支持脚０■及び床板（拘は第１の使用り０同様
再利用できるのは言う壕でもない。Therefore, the supporting legs and the floorboards can be reused as well as the first use.
以上述べた如く本発明によれば、
（１） クライミングクレーンの基礎設置が極めて谷
易且迅速にできる、
（ＩＩ）床板は分離、合体が可能で組脅せに自在性を有
し、種々の地形に対しても同一の床板で対応できる。As described above, according to the present invention, (1) the foundation of the climbing crane can be installed very easily and quickly; (II) the floor plates can be separated and combined, giving flexibility in assembly, and can be used on various terrains. The same floorboards can also be used.
１ｉｉ） 床板の除去作業は容易で現状復帰も簡単で
ある、
（１ソ）圧板は再利用が可能である、
（ｖ） クライミングクレーンの基礎設置、除去作業
が容易であり、然も再利用が可能であることから経済性
が著しく向上する、
′（９）
等の優れた効果を発揮する。1ii) It is easy to remove the floor plate and it is easy to restore it to its current state. (1) The pressure plate can be reused. (v) It is easy to install and remove the foundation for the climbing crane, and it is also easy to reuse it. Because it is possible, economic efficiency is significantly improved, and excellent effects such as '(9) can be achieved.
第１図は従来例の説明図、第２図は本発明に係る床板を
備えた架台装置の立面１図、第６図は該床板の平面図、
第４図は第２図のＡ−Ａ矢視図、第５図は第４図のＢ−
Ｂ矢視図、第６図は該床板を備えた架台装置の立面図、
第７図は同前平面図、第８図は第７図の（Ｃ−Ｃ矢視図
である。
（２）は整地地盤、（Ｊυはベースフレーム、（１５１
は基礎床盤、００は床板、α力は係合子、０９は垂直分
力伝達部材を示す。
特許出願人
石川島播磨重工業株式会社FIG. 1 is an explanatory diagram of a conventional example, FIG. 2 is an elevational view of a gantry device equipped with a floor plate according to the present invention, and FIG. 6 is a plan view of the floor plate.
Fig. 4 is a view taken along arrow A-A in Fig. 2, and Fig. 5 is a view taken from B-A in Fig. 4.
B arrow view, FIG. 6 is an elevational view of the gantry device equipped with the floor plate,
Figure 7 is a plan view of the same front, and Figure 8 is a view taken along the arrow C-C in Figure 7. (2) is the leveled ground, (Jυ is the base frame, (151
00 is the floor plate, α force is the engager, and 09 is the vertical force transmission member. Patent applicant Ishikawajima Harima Heavy Industries Co., Ltd.
Claims (1)
伝達部材を介して取付可能且地盤に載置してクレーンの
基礎荷重を地盤に伝達し得る強度を有し、所要数集合さ
せ剛体結合可能としたことを特徴とするクライミングク
レーン基礎用床板。1) It can be attached to the base frame of a climbing crane via a vertical force transmission member, has the strength to transmit the foundation load of the crane to the ground by being placed on the ground, and can be assembled in a required number and rigidly connected. A floor plate for climbing crane foundations featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4779082A JPS58164825A (en) | 1982-03-25 | 1982-03-25 | Floor plate for foundation of climbing crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4779082A JPS58164825A (en) | 1982-03-25 | 1982-03-25 | Floor plate for foundation of climbing crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58164825A true JPS58164825A (en) | 1983-09-29 |
Family
ID=12785164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4779082A Pending JPS58164825A (en) | 1982-03-25 | 1982-03-25 | Floor plate for foundation of climbing crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58164825A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002047669A (en) * | 2000-08-03 | 2002-02-15 | Nippon Denro Kk | Foundation structure for tower-like steel structure |
| US6416272B1 (en) | 1998-10-09 | 2002-07-09 | Toyota Shatai Kabushiki Kaisha | Wheelchair with retractable wheels for conversion to vehicle passenger seat |
| US6543848B1 (en) | 1997-09-01 | 2003-04-08 | Toyota Shatai Kabushiki Kaisha | Vehicular turning seat |
| US6557919B2 (en) | 1997-04-03 | 2003-05-06 | Toyota Shatai Kabushiki Kaisha | Rotating vehicle seat |
| US6572172B1 (en) | 1998-09-10 | 2003-06-03 | Toyota Shatai Kabushiki Kaisha | Rotating vehicle seat |
| CN103132537A (en) * | 2013-02-04 | 2013-06-05 | 中天建设集团有限公司 | Steel latticed column homocentric-square-shaped concrete bearing platform combination type tower crane base structure and construction method |
| CN104294840A (en) * | 2014-09-16 | 2015-01-21 | 中国建筑第二工程局有限公司 | Tower crane foundation fixing supporting foot adjusting system and construction method thereof |
| CN106120845A (en) * | 2016-08-20 | 2016-11-16 | 苏州高精特专信息科技有限公司 | Electric wire tower collapse ground based on universal joint articulated |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51100580A (en) * | 1975-02-06 | 1976-09-04 | Harnischfeger Corp | |
| JPS55130483A (en) * | 1979-03-26 | 1980-10-09 | Mitsubishi Heavy Ind Ltd | Lifttup crane |
-
1982
- 1982-03-25 JP JP4779082A patent/JPS58164825A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51100580A (en) * | 1975-02-06 | 1976-09-04 | Harnischfeger Corp | |
| JPS55130483A (en) * | 1979-03-26 | 1980-10-09 | Mitsubishi Heavy Ind Ltd | Lifttup crane |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557919B2 (en) | 1997-04-03 | 2003-05-06 | Toyota Shatai Kabushiki Kaisha | Rotating vehicle seat |
| US6543848B1 (en) | 1997-09-01 | 2003-04-08 | Toyota Shatai Kabushiki Kaisha | Vehicular turning seat |
| US6572172B1 (en) | 1998-09-10 | 2003-06-03 | Toyota Shatai Kabushiki Kaisha | Rotating vehicle seat |
| US6416272B1 (en) | 1998-10-09 | 2002-07-09 | Toyota Shatai Kabushiki Kaisha | Wheelchair with retractable wheels for conversion to vehicle passenger seat |
| US6582181B2 (en) | 1998-10-09 | 2003-06-24 | Toyota Shatai Kabushiki Kaisha | Vehicle seat |
| JP2002047669A (en) * | 2000-08-03 | 2002-02-15 | Nippon Denro Kk | Foundation structure for tower-like steel structure |
| CN103132537A (en) * | 2013-02-04 | 2013-06-05 | 中天建设集团有限公司 | Steel latticed column homocentric-square-shaped concrete bearing platform combination type tower crane base structure and construction method |
| CN104294840A (en) * | 2014-09-16 | 2015-01-21 | 中国建筑第二工程局有限公司 | Tower crane foundation fixing supporting foot adjusting system and construction method thereof |
| CN104294840B (en) * | 2014-09-16 | 2015-11-18 | 中国建筑第二工程局有限公司 | Tower crane fixed feet regulating system and construction thereof |
| CN106120845A (en) * | 2016-08-20 | 2016-11-16 | 苏州高精特专信息科技有限公司 | Electric wire tower collapse ground based on universal joint articulated |
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