CN103452119A - Prestress loading device of internal support system for foundation pit supporting - Google Patents
Prestress loading device of internal support system for foundation pit supporting Download PDFInfo
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- CN103452119A CN103452119A CN2013103617827A CN201310361782A CN103452119A CN 103452119 A CN103452119 A CN 103452119A CN 2013103617827 A CN2013103617827 A CN 2013103617827A CN 201310361782 A CN201310361782 A CN 201310361782A CN 103452119 A CN103452119 A CN 103452119A
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- screw rod
- jack
- support system
- foundation pit
- pit supporting
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Abstract
The invention discloses a prestress loading device of an internal support system for foundation pit supporting. The prestress loading device comprises a jack and a connecting component, wherein the connecting component comprises a loading seat, a screw nut, a screw rod and a screw rod base, a groove for placing the jack is formed in the loading seat, a screw rod insertion hole is formed in one side of the groove, the screw rod is inserted in the screw rod insertion hole, a connecting flange A is arranged at the side, opposite to the screw rod insertion hole, of the loading seat, the jack is placed in the groove, a jacking rod of the jack is inserted in the screw rod insertion hole and is abutted against one end of the screw rod, the other end of the screw rod is fixedly connected with the screw rod base, and a connecting flange B is arranged at the side, opposite to the connected screw rod, of the screw rod base and can be in threaded connection with the screw nut, abutted against the loading seat, at a portion outside the screw rod insertion hole of the screw rod. According to the prestress loading device of the internal support system for the foundation pit supporting, prestress is applied to an entire supporting structure, so that the overall strength of the support system is improved; the disassembly is convenient, and the prestress loading device can be repeatedly used, so that the aims of reducing the construction cost and facilitating the construction are reached.
Description
Technical field
The present invention relates to technical field of civil engineering, relate in particular to a kind of prestressing force charger of pattern foundation pit supporting structure inner support system.
Background technology
In the Soft Soil Foundation Pit engineering, steel concrete or steel pipe support supporting and protection structure, in order to reduce the distortion of foundation ditch, increase stability, and method commonly used is at present: increase the reinforced concrete fortifield village purlin quantity of size, increase steel pipe support in the street, reduce spacing etc.But this will increase the consumption of constructional materials greatly, also reduced effective construction space in foundation ditch.Due to the steel support structure adopted at present, mainly using single shaped steel or steel pipe as brace summer, do not form effectively and connect between every shaped steel or steel pipe, can not be as combining structure work, so their support rigidity is lower, the power can bear is relatively limited, and the larger foundation ditch for span, adopt existing steel shotcrete support to be difficult to control its distortion.These support members are owing to being all much to make by the site operation requirement, the connection dimension that there is no standard, can't reach between all parts and exchange and general purpose, after causing foundation pit construction to complete, most of support components all become expendable consumed product, can not reuse.
After pattern foundation pit supporting structure at present commonly used completes, without prestress application technique, or increase support member, can't after support system has been assembled, further improve the integral rigidity of support system.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, a kind of prestressing force charger of pattern foundation pit supporting structure inner support system is provided, for whole supporting and protection structure applies prestressing force, improve the bulk strength of support system.Easy accessibility, can repeatedly reuse, and reaches the purpose of saving construction cost, convenient construction.
Technical scheme of the present invention is achieved in that
The prestressing force charger of pattern foundation pit supporting structure inner support system, comprise jack and link, described link comprises the loading seat, nut, screw rod and screw rod base, loading seat is provided with for placing the groove of jack, one side of groove is the screw rod jack, plug screw rod in the screw rod jack, load seat and be provided with adpting flange A at the offside of screw rod jack, place jack in groove, the shore of jack inserts in the screw rod jack and offsets with an end of screw rod, the other end of screw rod is fixedly connected with the screw rod base, the screw rod base is provided with adpting flange B at the offside of connecting screw rod, can with part beyond the screw rod jack that loads nut thread that seat offset and be connected to screw rod on.
As preferably, described loading seat is provided with hanger, and hanger has lifting hole(eyelet).
As preferably, have four flange holes on described adpting flange A, four flange holes are square four jiaos of distributions, and this foursquare length of side is 200mm.
As preferably, have four flange holes on described adpting flange B, four flange holes are square four jiaos of distributions, and this foursquare length of side is 200mm.
As preferably, be fixed with a plurality of handles on the periphery of described nut.
As preferably, the periphery of described screw rod base is provided with a plurality of reinforcing ribs, and reinforcing rib is connected with adpting flange B.
The present invention has been owing to having adopted above technical scheme, mainly is arranged on the angle brace of pattern foundation pit supporting structure inner support system, to supportting, and after support system has been assembled, for whole supporting and protection structure applies prestressing force, improves the bulk strength of support system.During use, standard flange by this charger by two ends is installed on the angle brace of inner support system or in support, while needing to load, use the jack pressurization lead-screw base in loader, while being loaded into design load, lock nut, complete loading, but take off from link after the jack pressure release, by link, maintain and apply stable prestressing force.This link is the standard size parts, and easy accessibility can be realized the matching requirements of plurality of specifications foundation ditch, can repeatedly reuse, and reaches the purpose of saving construction cost.The inner support system of using this cover standard component to assemble out with ad hoc fashion, meeting in prestressed situation, can save larger construction space, convenient construction.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the upward view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
As Fig. 1, the prestressing force charger of the pattern foundation pit supporting structure inner support system shown in Fig. 2, comprise jack 1 and link, described link comprises loading seat 2, nut 3, screw rod 4 and screw rod base 5, load seat 2 grooves 21 that are provided with for placing jack 1, one side of groove 21 is screw rod jack 24, plug screw rod 4 in screw rod jack 24, load seat 2 offsides at screw rod jack 24 and be provided with adpting flange A23, the interior placement jack 1 of groove 21, the shore of jack 1 inserts in screw rod jack 24 and offsets with an end of screw rod 4, the other end of screw rod 4 is fixedly connected with screw rod base 5, screw rod base 5 is provided with adpting flange B51 at the offside of connecting screw rod 4, can with part beyond the screw rod jack 24 that loads seat 2 nuts that offset 3 and be threaded in screw rod 4 on.
In the present embodiment, described loading seat 2 is provided with hanger 22, and hanger 22 has lifting hole(eyelet).Have four flange holes on described adpting flange A23, four flange holes are square four jiaos of distributions, and this foursquare length of side is 200mm.Have four flange holes on described adpting flange B51, four flange holes are square four jiaos of distributions, and this foursquare length of side is 200mm.Be fixed with four handles 31 on the periphery of described nut 3.The periphery of described screw rod base 5 is provided with a plurality of reinforcing ribs 52, and reinforcing rib 52 is connected with adpting flange B51.
It is emphasized that: above is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. the prestressing force charger of pattern foundation pit supporting structure inner support system, it is characterized in that, comprise jack (1) and link, described link comprises loading seat (2), nut (3), screw rod (4) and screw rod base (5), load seat (2) and be provided with the groove (21) for placing jack (1), one side of groove (21) is screw rod jack (24), plug screw rod (4) in screw rod jack (24), load seat (2) and be provided with adpting flange A(23 at the offside of screw rod jack (24)), place jack (1) in groove (21), the shore of jack (1) inserts in screw rod jack (24) and offsets with an end of screw rod (4), the other end of screw rod (4) is fixedly connected with screw rod base (5), screw rod base (5) is provided with adpting flange B(51 at the offside of connecting screw rod (4)), can with load screw rod jack (24) that nut (3) that seat (2) offset be threaded in screw rod (4) in addition on part.
2. the prestressing force charger of pattern foundation pit supporting structure inner support system according to claim 1, is characterized in that, described loading seat (2) is provided with hanger (22), and hanger (22) has lifting hole(eyelet).
3. the prestressing force charger of pattern foundation pit supporting structure inner support system according to claim 1, is characterized in that, described adpting flange A(23) on have four flange holes, four flange holes are square four jiaos of distributions, this foursquare length of side is 200mm.
4. the prestressing force charger of pattern foundation pit supporting structure inner support system according to claim 1, is characterized in that, described adpting flange B(51) on have four flange holes, four flange holes are square four jiaos of distributions, this foursquare length of side is 200mm.
5. the prestressing force charger of pattern foundation pit supporting structure inner support system according to claim 1, is characterized in that, is fixed with a plurality of handles (31) on the periphery of described nut (3).
6. the prestressing force charger of pattern foundation pit supporting structure inner support system according to claim 1, is characterized in that, the periphery of described screw rod base (5) is provided with a plurality of reinforcing ribs (52), reinforcing rib (52) and adpting flange B(51) be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310361782.7A CN103452119B (en) | 2013-08-19 | 2013-08-19 | The prestressing force charger of pattern foundation pit supporting structure inner support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310361782.7A CN103452119B (en) | 2013-08-19 | 2013-08-19 | The prestressing force charger of pattern foundation pit supporting structure inner support system |
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| Publication Number | Publication Date |
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| CN103452119A true CN103452119A (en) | 2013-12-18 |
| CN103452119B CN103452119B (en) | 2016-05-11 |
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| CN201310361782.7A Active CN103452119B (en) | 2013-08-19 | 2013-08-19 | The prestressing force charger of pattern foundation pit supporting structure inner support system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356168A (en) * | 2018-11-28 | 2019-02-19 | 苏州市轨道交通集团有限公司 | A kind of bracing members segmented head |
| CN110424400A (en) * | 2019-07-02 | 2019-11-08 | 浙江工业大学 | A kind of guarantor's power device for shaped steel combination support |
| CN113944168A (en) * | 2021-10-26 | 2022-01-18 | 北京工业大学 | Screw rod type loose joint for assembled inner support |
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| CN202324684U (en) * | 2011-11-14 | 2012-07-11 | 东北石油大学 | Electric adjustable support device for supporting beams in the process of demolishing walls |
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| SU985220A1 (en) * | 1980-10-04 | 1982-12-30 | Сибирское Отделение Ордена Трудового Красного Знамени Центрального Научно-Исследовательского И Проектного Института Строительных Металлоконструкций | Arrangement for retaining the effort of prestraining a structure |
| CN2793162Y (en) * | 2005-06-01 | 2006-07-05 | 天津一建机施钢结构工程有限公司 | Symmetrical steel supporting structure with multiple diagonal bracings and large space |
| WO2007058464A1 (en) * | 2005-11-16 | 2007-05-24 | Supportec Co., Ltd. | Temporary soil sheathing apparatus |
| CN200992707Y (en) * | 2006-12-30 | 2007-12-19 | 上海市第二建筑有限公司 | Screw type prestressing device |
| CN101725142B (en) * | 2009-11-19 | 2011-04-27 | 江苏扬建集团有限公司 | Method for applying prestressing force to deep foundation pit steel tube internal prop |
| CN201981542U (en) * | 2011-03-28 | 2011-09-21 | 陈艳平 | Steel tube supporting movable end |
| CN202644541U (en) * | 2012-06-05 | 2013-01-02 | 成都市第四建筑工程公司 | Steel support structure for ultra-deep foundation pit construction in narrow field |
| CN202969391U (en) * | 2012-12-12 | 2013-06-05 | 上海强劲地基工程股份有限公司 | Reinforced concrete internal support with prestressed loader for retaining and protection of foundation excavation |
| CN203420274U (en) * | 2013-08-19 | 2014-02-05 | 浙江博雷重型机床制造有限公司 | Prestress loading device of pit supporting and protecting inner support system |
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- 2013-08-19 CN CN201310361782.7A patent/CN103452119B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202324684U (en) * | 2011-11-14 | 2012-07-11 | 东北石油大学 | Electric adjustable support device for supporting beams in the process of demolishing walls |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356168A (en) * | 2018-11-28 | 2019-02-19 | 苏州市轨道交通集团有限公司 | A kind of bracing members segmented head |
| CN110424400A (en) * | 2019-07-02 | 2019-11-08 | 浙江工业大学 | A kind of guarantor's power device for shaped steel combination support |
| CN113944168A (en) * | 2021-10-26 | 2022-01-18 | 北京工业大学 | Screw rod type loose joint for assembled inner support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103452119B (en) | 2016-05-11 |
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Effective date of registration: 20200615 Address after: 311101 Dajin, gejiache village, Qiaosi street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou AMOLE Experimental Equipment Co., Ltd Address before: 313219 Zhejiang province Huzhou city Deqing County Town Road No. 1 Chomo leidian Patentee before: ZHEJIANG BOLEI HEAVY MACHINE TOOL MANUFACTURING Co.,Ltd. |