CN103133011A - Construction device and construction method of hydraulic pressure steel mould trolley monolithic conduit pipe body - Google Patents
Construction device and construction method of hydraulic pressure steel mould trolley monolithic conduit pipe body Download PDFInfo
- Publication number
- CN103133011A CN103133011A CN2011103836755A CN201110383675A CN103133011A CN 103133011 A CN103133011 A CN 103133011A CN 2011103836755 A CN2011103836755 A CN 2011103836755A CN 201110383675 A CN201110383675 A CN 201110383675A CN 103133011 A CN103133011 A CN 103133011A
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- oil cylinder
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- side direction
- interior
- hydraulic
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 239000003921 oil Substances 0.000 claims description 62
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000003643 water by type Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a construction device and a construction method of a hydraulic pressure steel mould trolley monolithic conduit pipe body. The construction device comprises a trolley and an internal mould arranged outside the trolley. Walking wheels are arranged at the bottom of the trolley, the walking wheels are matched with walking tracks, a top hydro-cylinder and a side hydro-cylinder are connected with a hydraulic control device, and a rotary lead screw is arranged at the bottom of the trolley. According to the construction device and the construction method of the hydraulic pressure steel mould trolley monolithic conduit pipe body, a plurality of hydro-cylinders are arranged on the trolley, thus integral installation and removal of an internal top mould and an internal side mould are guaranteed. Compared with a general template, the construction device of the hydraulic pressure steel mould trolley monolithic conduit pipe body is good in integral rigidity, strength and stability, a wallboard and a roof can be formed by one-time-pouring, and evenness and perpendicularity of the surface of concrete can be ensured. In addition, the construction device of the hydraulic pressure steel mould trolley monolithic conduit pipe body can be used repeatedly, labor is saved, and overall benefit is good.
Description
Technical field
The present invention relates to building field, be specifically related to transportable steel form carrier and job practices thereof used in a kind of closed conduit construction process.
Background technology
Steel form carrier is the indispensable non-device for mark of secondary lining in the constructing tunnel process.Conventional steel form carrier in use, the wall body of closed conduit and concrete roof are not that one-time-concreting is completed, and also have constuction joint between wall body and top board, need to process constuction joint, it is consuming time longer, makes the duration long.
Summary of the invention
The technical problem to be solved in the present invention be existing steel form carrier when building closed conduit labour intensity large, long in time limit, provide that a kind of hydraulic steel form carrier that can reduce labour intensity, reduction of erection time is whole waters closed conduit pipe shaft construction equipment, and introduced the construction that uses this device to revise closed conduit.
technical scheme of the present invention realizes in the following manner: the whole construction equipment that waters the closed conduit pipe shaft of a kind of hydraulic steel form carrier, comprise chassis and be arranged on the outer internal mold of chassis, chassis and internal mold are all hinged with connecting rod, described internal mold comprises interior backform and interior side form, interior backform and interior side form all are hinged and connected with oblique mould, the chassis top is provided with top oil cylinder and rotary-top leading screw, the top oil cylinder is connected with hanger on interior backform, be provided with hydraulic pressure support between top oil cylinder and chassis top, the chassis sidepiece is provided with side direction oil cylinder and side direction rotating threaded shaft, the side direction oil cylinder is connected with hanger on interior side form, be provided with hydraulic pressure support between side direction oil cylinder and chassis sidepiece, pallet bottom is provided with road wheel, road wheel matches with the walking track, the top oil cylinder, the side direction oil cylinder is connected with hydraulic control device, pallet bottom is provided with the bottom rotating threaded shaft.
Described chassis comprises side template and top template, is provided with studdle between two side templates.
The whole construction that waters the closed conduit pipe shaft of a kind of hydraulic steel form carrier, carry out according to following step:
A, laying walking track, assembling trolley connect internal mold, each rotating threaded shaft, top oil cylinder and side direction oil cylinder are installed, and are installed hydraulic pressure support, and the top oil cylinder is connected with hydraulic control device with the side direction oil cylinder;
B, adopt hoist engine traction chassis, make chassis along rail moving to the section of building design attitude, adjust the pallet bottom screw, make leading screw hold out against the chassis bottom girder, and it is fastening to be plugged pin;
C, primer fluid pressure control device, make backform in the synchronous slowly jack-up of top oil cylinder, after interior backform approaches requirement, opening single or multiple tops oil cylinder finely tunes, lock top oil cylinder, regulating platform roof screw after making interior top template elevation meet design, the top screw supports in place, is plugged lead screw peg and is fixed;
After D, interior backform are adjusted, start the side direction oil cylinder, make the side direction oil cylinder synchronously slowly back down interior side form, open single or multiple side direction oil cylinder hydraulic system, finely tune, interior side form meets locking side direction oil cylinder after design, then regulate the side direction screw, make it in place, hold out against the inside wall mould, and be plugged fixator pins;
F, set up external mold outside internal mold, fluid concrete outside external mold;
After G, concrete casting injection forming, lay down the side direction screw, synchronously start the side hydraulic oil cylinder, regain in side form, lay down top screw, synchronous firing platform roof hydraulic jack, regain interior top punching block, unload the bottom screw, utilize hoist engine with spud carriage shifting, dismounting external wall punching block;
H, dismounting outer side mold get final product.
The present invention arranges several hydraulic jacks on chassis, integral installation and the dismounting of backform and interior side form in guaranteeing, compare with conventional template, integral rigidity of the present invention, strength and stability are good, strong wallboard and top board can one-time-concretings, and can guarantee planeness and the verticality of concrete surface.In addition, use can be repeatedly had enough to meet the need in the present invention, saves the labour, and its overall benefit is good.
Description of drawings
Fig. 1 is that the present invention uses view.
Fig. 2 is the chassis side schematic view.
The specific embodiment
as shown in drawings, the whole closed conduit pipe shaft construction equipment that waters of hydraulic steel form carrier of the present invention comprises chassis 6 and is arranged on the outer internal mold of chassis, chassis 6 and internal mold are all hinged with connecting rod 10, described internal mold comprises interior backform 1 and interior side form 2, interior backform 1 and interior side form 2 all are hinged and connected with oblique mould 3, chassis 6 tops are provided with top oil cylinder 4 and rotary-top leading screw, top oil cylinder 4 is connected with hanger on interior backform 1, be provided with hydraulic pressure support 11 between top oil cylinder 4 and chassis 6 tops, chassis 6 sidepieces are provided with side direction oil cylinder 5 and side direction rotating threaded shaft, side direction oil cylinder 5 is connected with hanger on interior side form 2, be provided with hydraulic pressure support between side direction oil cylinder 5 and chassis 6 sidepieces, chassis 6 bottoms are provided with road wheel 7, road wheel 7 matches with walking track 8, top oil cylinder 4, side direction oil cylinder 5 is connected with hydraulic control device, chassis 6 bottoms are provided with the bottom rotating threaded shaft.
Utilize hydraulic steel form carrier that the method for closed conduit pipe shaft construction is carried out according to following step in the present invention:
A, laying walking track, assembling trolley, connect interior backform and interior side form, rotary-top leading screw, side direction rotating threaded shaft, bottom rotating threaded shaft, top oil cylinder and side direction oil cylinder are installed, and are installed hydraulic pressure support, the top oil cylinder is connected with hydraulic control device with the side direction oil cylinder; In the present invention, need to debug after the chassis assembling, and debug the folding and unfolding of each hydraulic jack, rotating threaded shaft and interior backform, interior side form.
B, adopt the hoist engine traction chassis of 5t, make chassis along rail moving to the section of building design attitude, adjust the bottom screw of chassis, make leading screw hold out against the chassis bottom girder, and it is fastening to be plugged pin, namely fixed the position of chassis;
C, primer fluid pressure control device, make backform 1 in the synchronous slowly jack-up of top oil cylinder 4, after interior backform 1 approaches requirement, opening single or multiple tops oil cylinder finely tunes, lock top oil cylinder, regulating platform roof screw after making interior backform elevation meet design, the top screw supports in place, being plugged lead screw peg is fixed, namely fix interior backform 1, after fixing interior backform, adopt ceiling hammer check top board center line whether consistent with base plate center line, if any error, can carry out the top board WidFin, until the top board center line meets design.
After D, interior backform are adjusted, start side direction oil cylinder 5, make the side direction oil cylinder synchronously slowly back down interior side form, open afterwards single or multiple side direction oil cylinder hydraulic system, finely tune, interior side form locks the side direction oil cylinder after meeting design, then regulate the side direction screw, make it in place, hold out against the inside wall mould, and be plugged fixator pins, namely fix interior side form;
F, set up external mold 9 outside internal mold, fluid concrete outside external mold; External mold adopts manually sets up scaffold, moving door frame lifting moving die plate, and artificial the cooperation installs.
After G, concrete casting injection forming, lay down the side direction screw, synchronous side hydraulic oil cylinder 5, the interior side form of withdrawal of starting, lay down top screw, synchronous firing platform roof hydraulic jack 4, regain interior top punching block, unload the bottom screw, utilize afterwards hoist engine with spud carriage shifting, dismounting external wall punching block;
H, dismounting outer side mold get final product, and adopt the artificial moving door machine that coordinates to remove external mold 9 from top to bottom.
In the present invention, hydraulic steel form carrier has enough intensity, rigidity and stability, so, wall body and top board one-time-concreting, the wall body is with top board constuction joint less, save the operation of processing constuction joint, in addition, adopted the thick steel plate of 5mm as the inner and outer template of steel form carrier, surface finish is fairly good, the ability of resistance to deformation is also fine, and therefore, the concrete surface planeness is guaranteed.
Claims (3)
1. whole construction equipment that waters the closed conduit pipe shaft of hydraulic steel form carrier, comprise chassis (6) and be arranged on the outer internal mold of chassis, chassis (6) and internal mold are all hinged with connecting rod (10), it is characterized in that: described internal mold comprises interior backform (1) and interior side form (2), interior backform (1) and interior side form (2) all are hinged and connected with oblique mould (3), chassis (6) top is provided with top oil cylinder (4) and rotary-top leading screw, top oil cylinder (4) is connected with hanger on interior backform (1), be provided with hydraulic pressure support (11) between top oil cylinder (4) and chassis (6) top, chassis (6) sidepiece is provided with side direction oil cylinder (5) and side direction rotating threaded shaft, side direction oil cylinder (5) is connected with hanger on interior side form (2), be provided with hydraulic pressure support (11) between side direction oil cylinder (5) and chassis (6) sidepiece, chassis (6) bottom is provided with road wheel (7), road wheel (7) matches with walking track (8), top oil cylinder (4), side direction oil cylinder (5) is connected with hydraulic control device, chassis (6) bottom is provided with the bottom rotating threaded shaft.
2. the whole construction equipment that waters the closed conduit pipe shaft of hydraulic steel form carrier according to claim 1, it is characterized in that: described chassis (6) comprises side template (6-1) and top template (6-2), is provided with studdle (6-3) between two side templates (6-1).
3. whole construction that waters the closed conduit pipe shaft of hydraulic steel form carrier it is characterized in that carrying out according to following step:
A, laying walking track, assembling trolley connect internal mold, each rotating threaded shaft, top oil cylinder and side direction oil cylinder are installed, and are installed hydraulic pressure support, and the top oil cylinder is connected with hydraulic control device with the side direction oil cylinder;
B, adopt hoist engine traction chassis, make chassis along rail moving to the section of building design attitude, adjust the pallet bottom screw, make leading screw hold out against the chassis bottom girder, and it is fastening to be plugged pin;
C, primer fluid pressure control device, make backform in the synchronous slowly jack-up of top oil cylinder, after interior backform approaches requirement, opening single or multiple tops oil cylinder finely tunes, lock top oil cylinder, regulating platform roof screw after making interior top template elevation meet design, the top screw supports in place, is plugged lead screw peg and is fixed;
After D, interior backform are adjusted, start the side direction oil cylinder, make the side direction oil cylinder synchronously slowly back down interior side form, open single or multiple side direction oil cylinder hydraulic system, finely tune, interior side form meets locking side direction oil cylinder after design, then regulate the side direction screw, make it in place, hold out against the inside wall mould, and be plugged fixator pins;
F, set up external mold outside internal mold, fluid concrete outside external mold;
After G, concrete casting injection forming, lay down the side direction screw, synchronously start the side hydraulic oil cylinder, regain in side form, lay down top screw, synchronous firing platform roof hydraulic jack, regain interior top punching block, unload the bottom screw, utilize hoist engine with spud carriage shifting, dismounting external wall punching block;
H, dismounting outer side mold get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110383675.5A CN103133011B (en) | 2011-11-28 | 2011-11-28 | Hydraulic pressure steel mould trolley monolithic conduit pipe body construction equipment and construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110383675.5A CN103133011B (en) | 2011-11-28 | 2011-11-28 | Hydraulic pressure steel mould trolley monolithic conduit pipe body construction equipment and construction |
Publications (2)
| Publication Number | Publication Date |
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| CN103133011A true CN103133011A (en) | 2013-06-05 |
| CN103133011B CN103133011B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110383675.5A Active CN103133011B (en) | 2011-11-28 | 2011-11-28 | Hydraulic pressure steel mould trolley monolithic conduit pipe body construction equipment and construction |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603678A (en) * | 2013-11-26 | 2014-02-26 | 华北水利水电大学 | One-step pouring type steel mould trolley and pouring method for concealed channels in deserts |
| CN104895584A (en) * | 2015-04-28 | 2015-09-09 | 金中天集团港航有限公司 | Modularization steel die trolley and construction process thereof |
| CN105220626A (en) * | 2015-10-27 | 2016-01-06 | 安徽水安建设集团股份有限公司 | Steel form device and the construction method that combines with outer steel mould plate thereof in a kind of self-propelled |
| CN105908752A (en) * | 2016-04-22 | 2016-08-31 | 广州比艾莫信息科技有限公司 | Formwork assembling and disassembling system for side wall concrete pouring and working process thereof |
| CN105922209A (en) * | 2016-05-04 | 2016-09-07 | 中车青岛四方机车车辆股份有限公司 | Vehicle body large part replacement method |
| CN106894828A (en) * | 2017-04-28 | 2017-06-27 | 武汉科技大学 | A kind of adjustable piping lane mould bases chassis wide |
| CN107023032A (en) * | 2017-02-27 | 2017-08-08 | 贾登忠 | A kind of cast-in-place method of pipe gallery |
| CN107514011A (en) * | 2017-09-21 | 2017-12-26 | 杭州华诚机械有限公司 | A kind of gang form and piping lane construction method for piping lane construction |
| CN107905254A (en) * | 2017-11-16 | 2018-04-13 | 中铁四局集团有限公司 | A construction method of integrated hydraulic inner formwork trolley for comprehensive pipe gallery support and formwork |
| CN107956490A (en) * | 2017-12-29 | 2018-04-24 | 中国铁道科学研究院铁道建筑研究所 | A kind of intelligent tunnel lining trolley |
| CN109137976A (en) * | 2018-09-14 | 2019-01-04 | 中交二公局东萌工程有限公司 | Municipal administration synthesis pipe gallery hydraulic jumbo and its construction method |
| CN114837706A (en) * | 2022-05-30 | 2022-08-02 | 中电建十一局工程有限公司 | Underground assembling device for oversized rectangular jacking pipe joints and using method |
| CN116356726A (en) * | 2023-05-17 | 2023-06-30 | 中国水利水电第三工程局有限公司 | Box culvert side wall template mobile trolley structure and construction method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448255A (en) * | 2003-04-25 | 2003-10-15 | 广东水电二局股份有限公司 | Construction method of in-situ concrete prestressed round pipe |
| CN1858404A (en) * | 2006-05-24 | 2006-11-08 | 杨秋利 | Full automatic hydraulic lining trolley |
| CN201474704U (en) * | 2009-09-02 | 2010-05-19 | 广汉金达隧道机械有限公司 | Needle beam type hydraulic steel mould carrier |
| CN201614939U (en) * | 2010-03-15 | 2010-10-27 | 中国葛洲坝集团股份有限公司 | Three-dimensional space curved surface steel mould trolley |
| CN201982108U (en) * | 2010-12-03 | 2011-09-21 | 中铁五局(集团)有限公司 | Single-track railway tunnel integral type full-hydraulic lining trolley |
| CN202381104U (en) * | 2011-11-28 | 2012-08-15 | 中建七局安装工程有限公司 | Integrally cast culvert pipe body construction device for hydraulic steel form carrier |
-
2011
- 2011-11-28 CN CN201110383675.5A patent/CN103133011B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448255A (en) * | 2003-04-25 | 2003-10-15 | 广东水电二局股份有限公司 | Construction method of in-situ concrete prestressed round pipe |
| CN1858404A (en) * | 2006-05-24 | 2006-11-08 | 杨秋利 | Full automatic hydraulic lining trolley |
| CN201474704U (en) * | 2009-09-02 | 2010-05-19 | 广汉金达隧道机械有限公司 | Needle beam type hydraulic steel mould carrier |
| CN201614939U (en) * | 2010-03-15 | 2010-10-27 | 中国葛洲坝集团股份有限公司 | Three-dimensional space curved surface steel mould trolley |
| CN201982108U (en) * | 2010-12-03 | 2011-09-21 | 中铁五局(集团)有限公司 | Single-track railway tunnel integral type full-hydraulic lining trolley |
| CN202381104U (en) * | 2011-11-28 | 2012-08-15 | 中建七局安装工程有限公司 | Integrally cast culvert pipe body construction device for hydraulic steel form carrier |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603678B (en) * | 2013-11-26 | 2016-02-24 | 华北水利水电大学 | Desert secret tunnel one-time-concreting formula steel form carrier and casting method |
| CN103603678A (en) * | 2013-11-26 | 2014-02-26 | 华北水利水电大学 | One-step pouring type steel mould trolley and pouring method for concealed channels in deserts |
| CN104895584A (en) * | 2015-04-28 | 2015-09-09 | 金中天集团港航有限公司 | Modularization steel die trolley and construction process thereof |
| CN105220626A (en) * | 2015-10-27 | 2016-01-06 | 安徽水安建设集团股份有限公司 | Steel form device and the construction method that combines with outer steel mould plate thereof in a kind of self-propelled |
| CN105908752B (en) * | 2016-04-22 | 2020-03-31 | 广州比艾莫信息科技有限公司 | Formwork supporting and stripping system for pouring concrete on side wall and working process of formwork supporting and stripping system |
| CN105908752A (en) * | 2016-04-22 | 2016-08-31 | 广州比艾莫信息科技有限公司 | Formwork assembling and disassembling system for side wall concrete pouring and working process thereof |
| CN105922209A (en) * | 2016-05-04 | 2016-09-07 | 中车青岛四方机车车辆股份有限公司 | Vehicle body large part replacement method |
| CN105922209B (en) * | 2016-05-04 | 2018-02-02 | 中车青岛四方机车车辆股份有限公司 | A kind of method that car body big parts are changed |
| CN107023032A (en) * | 2017-02-27 | 2017-08-08 | 贾登忠 | A kind of cast-in-place method of pipe gallery |
| CN106894828A (en) * | 2017-04-28 | 2017-06-27 | 武汉科技大学 | A kind of adjustable piping lane mould bases chassis wide |
| CN107514011A (en) * | 2017-09-21 | 2017-12-26 | 杭州华诚机械有限公司 | A kind of gang form and piping lane construction method for piping lane construction |
| CN107905254A (en) * | 2017-11-16 | 2018-04-13 | 中铁四局集团有限公司 | A construction method of integrated hydraulic inner formwork trolley for comprehensive pipe gallery support and formwork |
| CN107956490A (en) * | 2017-12-29 | 2018-04-24 | 中国铁道科学研究院铁道建筑研究所 | A kind of intelligent tunnel lining trolley |
| CN109137976A (en) * | 2018-09-14 | 2019-01-04 | 中交二公局东萌工程有限公司 | Municipal administration synthesis pipe gallery hydraulic jumbo and its construction method |
| CN114837706A (en) * | 2022-05-30 | 2022-08-02 | 中电建十一局工程有限公司 | Underground assembling device for oversized rectangular jacking pipe joints and using method |
| CN116356726A (en) * | 2023-05-17 | 2023-06-30 | 中国水利水电第三工程局有限公司 | Box culvert side wall template mobile trolley structure and construction method thereof |
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