CN103276748A - Steel template system used for subway foundation pit supporting beam - Google Patents
Steel template system used for subway foundation pit supporting beam Download PDFInfo
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- CN103276748A CN103276748A CN201310183795XA CN201310183795A CN103276748A CN 103276748 A CN103276748 A CN 103276748A CN 201310183795X A CN201310183795X A CN 201310183795XA CN 201310183795 A CN201310183795 A CN 201310183795A CN 103276748 A CN103276748 A CN 103276748A
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- screw mandrel
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Abstract
The invention discloses a steel template system used for a subway foundation pit supporting beam. The steel template system comprises a main beam template and diagonal bracing beam templates, wherein the main beam template is located in the middle, the diagonal bracing beam templates are located at the two ends, the main beam template and the diagonal bracing beam templates are formed by steel templates in a parallel and opposite mode, the bottoms of the steel templates are provided with foot braces which can be locked with the ground, the oppositely-arranged steel templates are connected and supported through jack screws at the tops of the steel templates, the outer side of each steel template is provided with an outer supporting framework which can support and abut against the steel templates, each outer supporting framework comprises a portal frame and supporting rod assemblies, each portal frame is provided with a portal frame cross beam and stand columns, the supporting rod assemblies are installed on the stand columns and used for supporting the steel templates, each supporting rod assembly comprises a supporting board used for abutting against the steel templates, and a supporting rod used for adjusting the supporting board to move back and forth, each supporting board is connected to the end portion of one supporting rod, and the supporting rods are screws and penetrate through the stand columns and are in threaded connection with the stand columns. By the adoption of the technical scheme, the steel template system is good in integrality, the templates do not deform easily, fixation is firm, the supporting beam is prevented from producing structural deformation when concreted is poured, and assembly and disassembly are rapid and convenient.
Description
Technical field
The present invention relates to a kind of steel form of brace summer, relate in particular to a kind of steel form system for the subway foundation pit brace summer.
Background technology
In the construction of subway foundation pit brace summer, adopt wooden form traditionally, its operation is loaded down with trivial details, and mould is built of poor quality, easily runs mould.In addition, then be to adopt small steel templates, by small steel templates being in turn connected to form whole brace summer template, even in short transverse, also need be spliced by the polylith small steel templates.The steel form system globality that small steel templates is spliced is poor, easily runs moding shape.And, between the steel form that is set up in parallel relatively by to pull bar to drawing with mutual support, this need be pre-buried to the pull bar plastic pipe in steel concrete, usually causing that pull bar and steel bars in concrete are produced the space conflicts, poor reliability, brace summer length span is bigger, self is easy to generate torsional deformation template, the not enough support force of template strength is not enough, bears big pressure at the concreting rear pattern plate and also is easy to generate distortion, thereby cause brace summer side twisting strain, be out of shape the excessive requirement that does not then reach brace summer, even it is exposed reinforcing bar to occur, and this is that building operations is unacceptable, thereby the side twisting strain also can cause the template position cracking spillage of plugging into.And, the splicing of existing brace summer steel form often, installing/dismounting length consuming time, labour intensity are big.
Summary of the invention
At the deficiencies in the prior art, technical problem to be solved by this invention is to provide that a kind of template is not yielding, fixation, brace summer produces the steel form system that malformation and dismounting are used for the subway foundation pit brace summer quickly and easily in the time of can preventing concreting.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of steel form system for the subway foundation pit brace summer, comprise the girder template that is positioned at the middle part and the raker beam template that is positioned at two ends, described girder template and raker beam template are by the parallel composition that is oppositely arranged of steel form, described steel form bottom be provided with can with the heel brace of ground locking, between the described parallel steel form that is oppositely arranged by being located at the very heavy screw mandrel support and connection at steel form top, the described steel form outside is provided with the outer support frame that can support the described steel form of butt, the support bar assembly that is used for supporting described steel form that described outer support frame comprises the portal frame with door frame crossbeam and column and is installed on gantry pillar, described support bar assembly comprises for the gripper shoe of the described steel form of butt and is used for regulating the support bar that described gripper shoe moves forward and backward, described gripper shoe is connected in the end of described support bar, and described support bar is screw rod and passes described column and be threaded with described column.
As improvement of the technical scheme, the link end of described support bar and described gripper shoe has the bigger head of a diameter and the less neck of a diameter, described gripper shoe is provided with for the boss with endoporus that connects described support bar to the support bar side, described endoporus has a diameter less than diameter of bore and less than the opening of described support bar head diameter, the head of described support bar is assemblied in described endoporus, and neck cooperates with described opened gap.
As improvement of the technical scheme, the external surface of described gripper shoe is smooth surface.
As improvement of the technical scheme, the other end end of described support bar is provided with pin hole.
As improvement of the technical scheme, the door frame crossbeam of described outer support frame is provided with hanger.
As improvement of the technical scheme, the door frame crossbeam of described outer support frame and column adopt square steel, and the both sides, junction of described door frame crossbeam and column adopt steel plate to do to strengthen pasting weldering.
As improvement of the technical scheme, described very heavy screw mandrel comprises the screw mandrel body of rod, two screw rods that the hand of spiral that is spirally connected with described screw mandrel body of rod two ends respectively is opposite, the other end of described screw rod and described screw mandrel strand ear pin joint, the medium position of the described screw mandrel body of rod is provided with pin hole.
As improvement of the technical scheme, the top of described steel form is provided with lifting strand ear, and described lifting strand ear inboard is provided with screw mandrel strand ear, and described very heavy screw mandrel is by described screw mandrel strand ear pin joint.
As improvement of the technical scheme, described heel brace is angle steel, and locked with bolts is adopted on described heel brace and ground.
As improvement of the technical scheme, described steel form external surface vertically is provided with reinforcing rib side by side, laterally is provided with side by side to strengthen logical beam.
Implement technical scheme of the present invention, can obtain following beneficial effect: the present invention is used for the steel form system of subway foundation pit brace summer and is made up of parallel being oppositely arranged of steel form, steel form preferably adopts all steel large form, the bottom of steel form be provided with can with the heel brace of ground locking, the top is by very heavy screw mandrel butt joint, the steel form outside also is provided with the outer support frame that can support the butt steel form, the three constitutes one and closely connects complementary integral body, effectively with the steel form support fixation, and the steel form system that constitutes is not yielding, good integrity has improved the quality of form concrete greatly, and brace summer produces malformation when effectively having prevented concreting.
Description of drawings
Fig. 1 is that the structure of a kind of steel form system implementation example for the subway foundation pit brace summer of the present invention is always schemed;
Fig. 2 is the structural representation of steel form embodiment illustrated in fig. 1, and wherein Fig. 2 a is front view, and Fig. 2 b is lateral view;
Fig. 3 a is the structural representation of China and foreign countries embodiment illustrated in fig. 1 support frame, and Fig. 3 b is the partial enlarged drawing of a-quadrant among Fig. 3;
Fig. 4 be embodiment illustrated in fig. 1 in the structural representation of very heavy screw mandrel.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further specified.
Fig. 1 is that the structure of a kind of steel form system implementation example for the subway foundation pit brace summer of the present invention is always schemed, the embodiment of the invention comprises the girder template 1 that is positioned at the middle part and the raker beam template 2 that is positioned at two ends, further, the raker beam template forms the stem tail shape of " rice " word, also is that steel form system of the present invention is rendered as " rice " word shape that removes a middle horizontal stroke.The girder template forms by steel form 3 parallel being oppositely arranged with the raker beam template, steel form 3 bottoms be provided with can with the heel brace 31 of ground locking, heel brace 31 is preferably angle steel, can adopt bolt or screw locking with ground, between parallel two steel forms 3 that are oppositely arranged by being located at very heavy screw mandrel 4 support and connection at steel form top, the outside of steel form 3 is provided with the outer support frame 5 that can support the described steel form 3 of butt, the support bar assembly that is used for supporting steel form 3 that outer support frame 5 comprises the portal frame with door frame crossbeam 51 and column 52 and is installed on gantry pillar 52, the support bar assembly comprises for the gripper shoe 54 of butt steel form 3 and is used for regulating the support bar 53 that gripper shoe 54 moves forward and backward, gripper shoe 54 is connected in the end of support bar 53, and support bar 53 passes with column 52 for screw rod and from column 52 and is threaded.
In embodiments of the present invention, the steel form system that is used for the subway foundation pit brace summer is made up of steel form 3 parallel being oppositely arranged, steel form preferably adopts all steel large form integral mold plate to replace the splicing template, be located at the heel brace 31 of steel form 3 bottoms, the very heavy screw mandrel 4 of top butt joint, the outer support frame 5 of being located at steel form 3 outsides has constituted one and has closely connected complementary integral body, thereby effectively with the steel form support fixation, and the steel form system that constitutes is not yielding, good integrity, improved the quality of form concrete greatly, and brace summer produces malformation when effectively having prevented concreting, mainly is the side twisting strain.And the installation simple and fast of very heavy screw mandrel and outer support frame gets final product by mechanical hoisting, has improved dismounting speed and the efficiency of construction of steel form.Use traditional wooden form or small steel templates, the template that pull bar is oppositely arranged with butt joint and support need be set between the template that is set up in parallel, this need be pre-buried to the pull bar plastic pipe in steel concrete when the cast brace summer, pre-buried quantity is many, complex procedures, work efficiency is low, and owing to steel form is reserved the pulling eye fixed-site, usually cause pull bar is conflicted with reinforcing bar generation space in the concrete, reliability is low.It is above-mentioned to the existing problem of pull bar to adopt outer support frame structure of the present invention then can well solve, especially can not occur again pull bar is produced the problem of conflicting in the space with concrete reinforcement, and overcome the defective that produces the side twisting strain when employing is built the brace summer that pull bar was difficult to avoid yet.Preferably, the column of outer support frame 5 both sides is symmetrical arranged two pairs of support bar assemblies, thereby more firm and provide a supporting role for steel form 3 more equably.
Further, see Fig. 3 a and Fig. 3 b, the link end of support bar 53 and gripper shoe 54 has the bigger head of a diameter 531 and the less neck 532 of a diameter, gripper shoe 54 is provided with for the boss with endoporus 542 541 that connects support bar 54 to the support bar side, endoporus 542 has a diameter less than the opening 543 of endoporus 542 diameters, thereby the head 531 of support bar 53 stretches into the endoporus 542 of boss 541 and is assemblied in wherein, and can rotate neck 532 and opening 543 matched in clearance of support bar 53 within it.Because head 531 diameters of support bar 53 are bigger, and neck 532 diameters are less; Endoporus 542 diameters of corresponding gripper shoe convex platform 541 are bigger, and opening 543 diameters are less than the diameter of endoporus 542, and less than the diameter of support bar head 531, thereby, the head 531 of support bar can be assemblied in endoporus 542 and rotate at endoporus, head 531 is blocked again at narrow opening 543 places of boss 541 simultaneously, can not move forward and backward with respect to gripper shoe 54.Therefore, when support frame 5 outside steel form 3, heel brace 31, very heavy screw mandrel 4 reach all installs and fixes, if when also needing to adjust the elasticity of outer support frame 5 apical grafting steel forms 3, only need rotation support bar 53, the head of support bar 53 can tightly withstand gripper shoe 54, and make gripper shoe 54 hold out against steel form 3, thereby play a supporting role.Because gripper shoe 54 is plate bodys, the external surface of itself and steel form butt is preferably smooth surface, support bar 53 and gripper shoe 54 adopt aforesaid structure design, and in whole adjustment process, gripper shoe 54 all can keep not rotary state, what rotate only is support bar 53, therefore, gripper shoe 54 can prop up to uniform force application steel form 3, neither can cause the friction damage of steel form because of rotation, can invar template unbalance stress and cause steel form not neat yet, and distortion when causing supporting beam form and building.
Preferably, the other end end of support bar 53 is provided with pin hole 533, like this, and when needs are regulated support bar 53, only need hole 533 in the insertion latch can rotate support bar 53 easily it is moved forward and backward, thereby make gripper shoe 54 push against or loose from steel form 3.
Preferably, the door frame crossbeam 51 of outer support frame 5 is provided with hanger 511, so that externally support frame 5 lifts, moves and adjust its position.
Preferably, the door frame crossbeam 51 of outer support frame 5 and column 52 adopt square steel, and door frame crossbeam 51 two ends are all adopting steel plate 510 to do to strengthen pasting weldering with the both sides, front and back, junction of column 52, with rigidity and the resistance to overturning that improves outer support frame 5.
Further, the top of steel form 3 is provided with lifting strand ear 32, make steel form 3 very safe and convenient pass through mechanical handling and in place, improved operating efficiency, alleviated labour intensity.Described lifting strand ear 32 inboards are provided with screw mandrel strand ear 33, and very heavy screw mandrel 4 is by screw mandrel strand ear 33 pin joints.As shown in Figure 4, very heavy screw mandrel 4 comprises the screw mandrel body of rod 41, two screw rods 42 that the hand of spiral that is spirally connected with the screw mandrel body of rod 41 two ends respectively is opposite, and the medium position of the screw mandrel body of rod 41 is provided with second pin hole 411, the other end of screw rod 42 and screw mandrel strand ear 33 pin joints.Thereby second pin hole 411 can insert the latch rotary screw body of rod 41 easily, and makes the screw rod 42 synchronous backward rotary extensions at two ends, thereby realizes installation, adjustment and the dismounting of steel form.Very heavy screw mandrel 4 is arranged at the top of steel form 3, thereby also can the construction when building brace summer between the steel form 3 that is set up in parallel not impact.
Preferably, see Fig. 2 a and Fig. 2 b, the external surface of steel form 3 vertically is provided with reinforcing rib 34 side by side, laterally be provided with side by side and strengthen logical beam 35, anyhow the logical beam 35 of the reinforcing rib 34 that is crisscross arranged and reinforcement has improved the intensity of steel form, thereby has further increased the globality of steel form, makes it not yielding.
Steel form system of the present invention adopts the Large Area Steel template, and the steel form high unity is designed to 1100mm, and thickness is 5mm, reinforcing rib adopts the 80*5mm steel plate, strengthen logical beam and adopt 80*80*5 square steel, wherein, each piece steel form length of girder template can reach 880mm ~ 3000mm.Because the raker beam template at steel form system two ends is stem and the tail shape of " rice " word, therefore, the raker beam template can should have the less plate of some areas mutually, especially with the junction of middle part girder.Adopt all steel large form, it is few, quick for installation to compare traditional small steel templates splicing number of times, and lower to workman's technical requirements, labour intensity is little.And the raker beam template of brace summer system end is owing to be the initial and tail sections shape of meter word, structure is complicated, adopts traditional wooden form or small steel templates, stressed complexity, easily run mould, adopt globality preferably large steel moulding plate then can avoid the generation of similar problem well.
Above disclosed is several preferred embodiments of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. steel form system that is used for the subway foundation pit brace summer, it is characterized in that: comprise the girder template that is positioned at the middle part and the raker beam template that is positioned at two ends, described girder template and raker beam template are by the parallel composition that is oppositely arranged of steel form, described steel form bottom be provided with can with the heel brace of ground locking, between the described parallel steel form that is oppositely arranged by being located at the very heavy screw mandrel support and connection at steel form top, the described steel form outside is provided with the outer support frame that can support the described steel form of butt, the support bar assembly that is used for supporting described steel form that described outer support frame comprises the portal frame with door frame crossbeam and column and is installed on gantry pillar, described support bar assembly comprises for the gripper shoe of the described steel form of butt and is used for regulating the support bar that described gripper shoe moves forward and backward, described gripper shoe is connected in the end of described support bar, and described support bar is screw rod and passes described column and be threaded with described column.
2. steel form system as claimed in claim 1, it is characterized in that: the link end of described support bar and described gripper shoe has the bigger head of a diameter and the less neck of a diameter, described gripper shoe is provided with for the boss with endoporus that connects described support bar to the support bar side, described endoporus has a diameter less than diameter of bore and less than the opening of described support bar head diameter, the head of described support bar is assemblied in described endoporus, and neck cooperates with described opened gap.
3. steel form system as claimed in claim 2, it is characterized in that: the external surface of described gripper shoe is smooth surface.
4. steel form system as claimed in claim 3, it is characterized in that: the other end end of described support bar is provided with pin hole.
5. steel form system as claimed in claim 1, it is characterized in that: the door frame crossbeam of described outer support frame is provided with hanger.
6. steel form system as claimed in claim 1 is characterized in that: the door frame crossbeam of described outer support frame and column adopt square steel, and the both sides, junction of described door frame crossbeam and column adopt steel plate to do to strengthen pasting weldering.
7. steel form system as claimed in claim 1, it is characterized in that: described very heavy screw mandrel comprises the screw mandrel body of rod, two screw rods that the hand of spiral that is spirally connected with described screw mandrel body of rod two ends respectively is opposite, the other end of described screw rod and described screw mandrel strand ear pin joint, the medium position of the described screw mandrel body of rod is provided with pin hole.
8. steel form system as claimed in claim 1 is characterized in that: the top of described steel form is provided with lifting strand ear, and described lifting strand ear inboard is provided with screw mandrel strand ear, and described very heavy screw mandrel is by described screw mandrel strand ear pin joint.
9. steel form system as claimed in claim 1, it is characterized in that: described heel brace is angle steel, locked with bolts is adopted on described heel brace and ground.
10. steel form system as claimed in claim 1, it is characterized in that: described steel form external surface vertically is provided with reinforcing rib side by side, laterally is provided with side by side to strengthen logical beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183795.XA CN103276748B (en) | 2013-05-17 | 2013-05-17 | Steel template system used for subway foundation pit supporting beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310183795.XA CN103276748B (en) | 2013-05-17 | 2013-05-17 | Steel template system used for subway foundation pit supporting beam |
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| CN103276748A true CN103276748A (en) | 2013-09-04 |
| CN103276748B CN103276748B (en) | 2015-05-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572710A (en) * | 2013-10-30 | 2014-02-12 | 姚超 | Lapping repair method of main cable wire of suspension bridge and lapping component of method |
| CN103967050A (en) * | 2014-01-29 | 2014-08-06 | 广州机施建设集团有限公司 | Construction system of subway station |
| CN109667418A (en) * | 2019-01-30 | 2019-04-23 | 煤炭工业合肥设计研究院有限责任公司 | A kind of Schaltisch of beam column integrative installation technology |
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| JP2001311247A (en) * | 2000-02-25 | 2001-11-09 | Katsuyuki Hasegawa | Construction method for concrete 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572710A (en) * | 2013-10-30 | 2014-02-12 | 姚超 | Lapping repair method of main cable wire of suspension bridge and lapping component of method |
| CN103967050A (en) * | 2014-01-29 | 2014-08-06 | 广州机施建设集团有限公司 | Construction system of subway station |
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| CN109667418A (en) * | 2019-01-30 | 2019-04-23 | 煤炭工业合肥设计研究院有限责任公司 | A kind of Schaltisch of beam column integrative installation technology |
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| CN103276748B (en) | 2015-05-20 |
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Address after: 510115 Yuexiu District, Guangzhou Province, south of the road embankment, No. two, No. 28, No. Co-patentee after: Guangzhou Xinqiao Construction Engineering Co., Ltd. Patentee after: Guangzhou Machine Facilities Construction Group Co.,Ltd. Address before: 510115 Yuexiu District, Guangzhou Province, south of the road embankment, No. two, No. 28, No. Co-patentee before: Guangzhou Xinqiao Building Labour Service Co., Ltd. Patentee before: Guangzhou Machine Facilities Construction Group Co.,Ltd. |
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