CN102191751A - Hydraulic internal mold for asymmetric box girder - Google Patents
Hydraulic internal mold for asymmetric box girder Download PDFInfo
- Publication number
- CN102191751A CN102191751A CN 201110084276 CN201110084276A CN102191751A CN 102191751 A CN102191751 A CN 102191751A CN 201110084276 CN201110084276 CN 201110084276 CN 201110084276 A CN201110084276 A CN 201110084276A CN 102191751 A CN102191751 A CN 102191751A
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- 238000009415 formwork Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The invention provides a hydraulic internal mold for an asymmetric box girder. The internal mold comprises a moldboard, guide pillars, a girder, supporting bases, jacking cylinders, lateral cylinders and telescopic struts, wherein the mouldboard comprises an end segment, a variable segment and a middle segment; each segment comprises a top die, an upper moving die, a lower moving die and a top plate girder; the upper moving dies and the lower moving dies are installed at the two sides of the top die in sequence and the two sides are arranged asymmetrically; the top die is hinged with the upper moving dies and the upper moving dies are hinged with the lower moving dies; hinge axes between the top die and the upper moving dies as well as between the upper moving dies and the lower moving dies on the variable segment are parallel to a moldboard boundary; the top dies on the end segment and the variable segment are hinged; and enough space is reserved between double ear plates so that the upper moving dies can slide certain distance toward the girder end to ensure no interference with the variable segment when the mold is taken out. The internal mold has the characteristics of fast demolding, time and labor saving, good box girder forming quality, high production efficiency and the like and is suitable for prefabricating box girders for high-speed railways and expressways.
Description
Technical field
The invention belongs to the site operation apparatus field, particularly a kind of asymmetric box beam hydraulic internal mold, the case that is used for high-speed railway, speedway is beam prefabricated.
Background technology
On high-speed railway, speedway, in view of the high standard requirement of high speed traveling to the smooth-going performance of circuit, therefore most of highway section all adopts the bridge construction form to cross over, and this makes whole hole hollow prestress box-girder obtain widely applying.In prefabricated process, one of essential heavy construction equipment is exactly supporting mould---" internal mold " that forms space in the casing.At the two chamber beams of single case, one-sided inner chamber is anisopleual structure, because case beam intracavity space is little, the end section place is small-sized, by traditional contraction stripping means, the backform of traitorous section and the axis of last dynamic model hinged place, the axis of last dynamic model and following dynamic model hinged place is all parallel with beam body length direction, the last dynamic model of therefore working as the section of switching political loyalty, following dynamic model is a moved in coaxial when receiving the mould rotation, the last dynamic model of the section of switching political loyalty, following dynamic model can not form amount of interference, and (amount of interference refers to: the projection line of establishing axis is b, on, following dynamic model is deployed into the c that is projected as after the end-state, on, the rotation of following dynamic model is received mould and is projected as d after the end-state, shown in the G on Figure 10 and Figure 11, e is the vertical line of the distal-most end of projection c to projection line b, the distal-most end of projection d is amount of interference to vertical line e's apart from F), the value that is F is zero, sections can not cause interference to the section of switching political loyalty in that is to say, but make dynamic model parallel with the axis of beam body with the axis of following dynamic model hinged place, sections can not cause interference to the section of switching political loyalty in making, just must inwardly strengthen the volume of whole template, so just make internal mold can't from inner chamber, shift out smoothly because of volume is excessive after shrinking, must manually earlier dismantle the section dynamic model down of switching political loyalty, carrying outlet beam, by other sections template of hydraulic retract, realize the demoulding of internal mold again.The artificial muscle power of this stripping means consumption, man-hour, influence efficiency of construction and programming.
Summary of the invention
The objective of the invention is to solve the deficiencies in the prior art and a kind of artificial unloading's of need not template is provided, can realizes the whole demoulding of hydraulic pressure, the asymmetric box beam hydraulic internal mold that labour intensity is little, efficiency of construction is high.
A kind of asymmetric box beam hydraulic internal mold, comprise template, guide pillar, girder, base for supporting, jacking cylinder, side direction oil cylinder and telescopic strut, described template comprises the end sections, traitorous section, middle sections, described end sections, traitorous section, middle sections is by backform, last dynamic model, following dynamic model and top board longeron are formed, be equipped with guide pin bushing in the described girder, the bottom is provided with guide rail, described backform is installed on the described guide pillar, described guide pillar is installed in the described guide pin bushing of described girder and can slides in described guide pin bushing, described anti-roller is installed on the described base for supporting, described girder bears on the anti-roller of described base for supporting by described guide rail, the both sides of described backform all are equipped with dynamic model successively, following dynamic model and both sides are dissymmetrical structure, described backform and the described dynamic model of going up, the described dynamic model of going up all adopts articulated manner to be connected between the dynamic model down with described, described backform on described end sections and described traitorous section and described to go up dynamic model hinged by two hinged otic placode on the backform and the hinged otic placode of list on the last dynamic model, the hinged otic placode of described list is arranged between described two hinged otic placode and the spacing of described pair of hinged otic placodes is A.
Among the present invention, described backform and described last dynamic model, described going up between dynamic model and the described following dynamic model are equipped with the side direction oil cylinder.
Among the present invention, between described backform, last dynamic model, following dynamic model and the described girder telescopic strut that strengthens each formwork rigidity is installed.
Among the present invention, the telescopic strut of adjusting the template balance and preventing the template come-up is installed between described backform and the base for supporting.
Among the present invention, described top board longeron and described girder both sides are equipped with jacking cylinder.
Among the present invention, the value of the spacing A of described two hinged otic placodes is greater than the value of amount of interference.
The present invention is because the backform and the last dynamic model of the section of switching political loyalty, the hinge axes direction of hinged place is designed to parallel with the panel line of demarcation between last dynamic model and the following dynamic model, make a traitorous section template need not inwardly to add large volume, again by adjusting the end sections and switching political loyalty a section mode that goes up the hinged otic placode of list spacing between the two hinged otic placode of backform of dynamic model, make the end sections and the section of switching political loyalty to carry out an adjusting in beam body length direction, last dynamic model and the axis of following dynamic model hinged place and not parallel the causing when shrinking of axis of beam body have been prevented owing to the section of switching political loyalty, middle sections is to the interference of the section of switching political loyalty, the contraction that has guaranteed traitorous section is finished, and makes that traitorous section after shrinking can shift out from inner chamber smoothly; Be separately installed with the balance of jacking cylinder when rising or descending to guarantee template in the girder both sides, strengthen the stability of template, it is fast to make the present invention have a stripping rate, saves time, laborsaving, and case beam Forming Quality is good, characteristics such as production efficiency height.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is Fig. 1 middle-end sections A-A sectional view;
Fig. 3 is left view and the hinged otic placode spacing schematic diagram of Fig. 2;
Fig. 4 is the state diagram of going up among Fig. 3 after dynamic model slides toward beam-ends;
Fig. 5 is the section B-B sectional view of switching political loyalty among Fig. 1;
Fig. 6 is the state diagram behind the receipts mould of traitorous section B-B cross section among Fig. 1;
Fig. 7 is the vertical view of Fig. 6
Fig. 8 is left view and the hinged otic placode spacing schematic diagram of Fig. 5;
Fig. 9 is the state diagram of going up among Fig. 6 after dynamic model slides toward beam-ends;
Figure 10 is a middle sections C-C sectional view among Fig. 1.
Figure 11 is for explaining the perspective view of amount of interference.
The specific embodiment
Describe the specific embodiment of this device in detail below in conjunction with accompanying drawing.
From Fig. 1 to 9 as can be seen, this asymmetric box beam hydraulic internal mold of the present invention, comprise template 1, guide pillar 9, girder 11, base for supporting 13, jacking cylinder 14, side direction oil cylinder 15 and telescopic strut 16, be equipped with guide pin bushing 10 in its middle girder 11, its bottom is equipped with guide rail 17, and anti-roller 12 is installed on the base for supporting 13.Template 1 links to each other with guide pillar 9 by top board longeron 8, guide pillar 9 is installed in the guide pin bushing 10 in the girder 11 and can slides within it, the guide rail 17 of girder 11 by the bottom bears on the anti-roller 12 of base for supporting 13 and can slide thereon hauls out the beam body with internal mold, jacking cylinder 14 is installed in top board longeron 8 and girder 11 both sides, is used to drive template 1 and rises or descend.
As shown in Figure 1, template 1 comprises end sections 2, switch political loyalty section 3, middle sections 4, every sections all by backform 5, go up dynamic model 6, dynamic model 7 and top board longeron 8 are formed down.Between backform 5 and the last dynamic model 7, all adopt articulated manner to be connected between last dynamic model 7 and the following dynamic model 13, and arrange side direction oil cylinder 15 between any two.Telescopic strut 16 is connected between girder 11 and the last dynamic model 6, between girder 11 and the following dynamic model 7, be used for strengthening each formwork rigidity; Be connected between backform 5 and the base for supporting 13, be used to adjust the template balance and prevent the template come-up.
During formwork erection of the present invention, by each oil cylinder of HYDRAULIC CONTROL SYSTEM, stretch out the jacking cylinder 14 piston rod pushing tow top board longerons 8 of girder both sides, in the jacking process, control both sides jacking cylinder 14 respectively, guarantee that template is not steadily, tilt, until template 1 jacking is put in place (being that the internal mold overhead height reaches construction requirement), last dynamic model 6 and the following dynamic model 7 that promotes each sections successively by each side direction oil cylinder 15 of HYDRAULIC CONTROL SYSTEM puts in place until opening again, telescopic strut 16 is installed then, with the fixed form position, strengthen formwork rigidity.This moment, internal mold was in the state of upholding fully, kept this state can carry out concrete pouring, shown in Fig. 2,4,6.
During the demoulding of the present invention, remove whole telescopic struts 16 earlier, again by HYDRAULIC CONTROL SYSTEM end sections side direction oil cylinder 15, serrated end sections 2, by the last dynamic model 6 of outside tractive force pulling end sections 2, have spacing A then, thereby the hinged otic placode of going up on the dynamic model 6 19 of list can slide between described two hinged otic placodes 18 owing between the two hinged otic placode 18 of backform 5, therefore make dynamic model 6 than backform 5 toward the beam-ends segment distance that slides, do not interfered when guaranteeing to switch political loyalty section 3 receipts moulds; Shrink the section 3 of switching political loyalty by control side direction oil cylinder 15 again, dynamic model 7 and last dynamic model 6 rotate to an angle around separately hinge axes 20 successively at present to receive mould, make template outline after the contraction less than beam body end section, when shrinking, in the last dynamic model 6 of the section 3 of switching political loyalty is being run into behind the sections 4, owing to have spacing A between the two hinged otic placode 18 of backform 5, thereby the hinged otic placode 19 of the list on the last dynamic model 6 can slide between described two hinged otic placodes 18, and at the end sections 2 in section 3 the place aheads of switching political loyalty toward the beam-ends segment distance that slided, therefore during the section 3 of switching political loyalty is subjected to behind the resistance of sections 4 toward the beam-ends segment distance that slides, and spacing A is greater than amount of interference, so just avoid the interference of 4 pairs of traitorous sections 3 of middle sections, made traitorous section 3 to shrink fully; Sections 4 in shrinking at last shrinks jacking cylinder 14, makes whole template drop to design height.After the contraction template is finished, internal mold can be shifted out in the precast beam of having poured into a mould by outside elevator machine travel.
Shown in the G on Figure 10 and Figure 11, amount of interference refers to: the projection line of establishing axis is b, upper and lower dynamic model is deployed into the c that is projected as after the end-state, the rotation of upper and lower dynamic model is received mould and is projected as d after the end-state, shown in the G on Figure 10 and Figure 11, e is the vertical line of the distal-most end of projection c to projection line b, and the distal-most end of projection d is amount of interference to vertical line e's apart from F.
Claims (6)
1. asymmetric box beam hydraulic internal mold, comprise template (1), guide pillar (9), girder (11), base for supporting (13), jacking cylinder (8), side direction oil cylinder (15) and telescopic strut (16), described template (1) comprises end sections (2), switch political loyalty section (3), middle sections (4), described end sections (2), switch political loyalty section (3), middle sections (4) is by backform (5), last dynamic model (6), following dynamic model (7) and top board longeron (8) are formed, be equipped with guide pin bushing (10) in the described girder (11), the bottom is provided with guide rail (17), described backform (5) is installed on the described guide pillar (9), described guide pillar (9) is installed in the described guide pin bushing (10) of described girder (11) and can slides in described guide pin bushing (10), described anti-roller (12) is installed on the described base for supporting (13), described girder (11) bears on the anti-roller (12) of described base for supporting (13) by described guide rail (17), the both sides of described backform (5) all are equipped with dynamic model (6) successively, following dynamic model (7) and backform (5) both sides are dissymmetrical structure, described backform (5) and the described dynamic model (6) of going up, the described dynamic model (6) of going up all adopts articulated manner to be connected between the dynamic model (7) down with described, backform of described traitorous section (3) (5) and last dynamic model (6), the hinge axes (20) of hinged place is not parallel with beam body length direction between last dynamic model (6) and the following dynamic model (7), it is characterized in that: the described backform (5) on described end sections (2) and described traitorous section (3) is hinged by two hinged otic placode (18) and the hinged otic placode of list (19) on the last dynamic model (6) on the backform (5) with described upward dynamic model (6), and the hinged otic placode of described list (19) is arranged between described two hinged otic placode (18) and the spacing of described two hinged otic placodes (18) is A.
2. asymmetric box beam hydraulic internal mold according to claim 1 is characterized in that: described backform (5) and described last dynamic model (6), described going up between dynamic model (6) and the described following dynamic model (7) are equipped with side direction oil cylinder (15).
3. asymmetric box beam hydraulic internal mold according to claim 1 is characterized in that: between described backform (5), last dynamic model (6), following dynamic model (7) and the described girder (11) telescopic strut (16) that strengthens each formwork rigidity is installed.
4. according to claim 1 or 3 described asymmetric box beam hydraulic internal molds, it is characterized in that: the telescopic strut (16) of adjusting template (1) balance and preventing the template come-up is installed between described backform (5) and the base for supporting (13).
5. asymmetric box beam hydraulic internal mold according to claim 1 is characterized in that: described top board longeron (8) is equipped with jacking cylinder (14) with described girder (11) both sides.
6. asymmetric box beam hydraulic internal mold according to claim 1 is characterized in that: the value of the spacing A of described two hinged otic placodes (18) is greater than the value of amount of interference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100842769A CN102191751B (en) | 2011-04-02 | 2011-04-02 | Hydraulic internal mold for asymmetric box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100842769A CN102191751B (en) | 2011-04-02 | 2011-04-02 | Hydraulic internal mold for asymmetric box girder |
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| Publication Number | Publication Date |
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| CN102191751A true CN102191751A (en) | 2011-09-21 |
| CN102191751B CN102191751B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100842769A Active CN102191751B (en) | 2011-04-02 | 2011-04-02 | Hydraulic internal mold for asymmetric box girder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409621A (en) * | 2011-11-17 | 2012-04-11 | 中铁十五局集团有限公司 | Easy-to-detach steel mould of hollow beam of bridge |
| CN102975279A (en) * | 2012-12-13 | 2013-03-20 | 广汉金达隧道机械有限公司 | Precast internal formwork offset correction structure for single-box double-room bridge girders |
| CN108098982A (en) * | 2018-01-17 | 2018-06-01 | 中国铁道科学研究院 | Large-span Precast box beam hydraulic deploying and retracting internal mold |
| CN115723226A (en) * | 2022-12-09 | 2023-03-03 | 江苏月生达机械制造有限公司 | Multi-section adjustable structure of internal mold of prefabricated hydraulic box girder |
| CN118024385A (en) * | 2024-03-11 | 2024-05-14 | 中铁四局集团有限公司 | Quick-release prefabricated highway small box girder inner mold and demolding tool and demolding method |
| CN118144077A (en) * | 2024-03-11 | 2024-06-07 | 中铁四局集团有限公司 | Quick-release type highway box girder hydraulic internal mold and working method thereof |
| CN118024385B (en) * | 2024-03-11 | 2024-11-12 | 中铁四局集团有限公司 | Quick-release prefabricated highway small box girder inner mold and demolding tool and demolding method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409621A (en) * | 2011-11-17 | 2012-04-11 | 中铁十五局集团有限公司 | Easy-to-detach steel mould of hollow beam of bridge |
| CN102409621B (en) * | 2011-11-17 | 2013-11-20 | 中铁十五局集团有限公司 | Easy-to-detach steel mould of hollow beam of bridge |
| CN102975279A (en) * | 2012-12-13 | 2013-03-20 | 广汉金达隧道机械有限公司 | Precast internal formwork offset correction structure for single-box double-room bridge girders |
| CN102975279B (en) * | 2012-12-13 | 2015-03-11 | 广汉金达隧道机械有限公司 | Precast internal formwork offset correction structure for single-box double-room bridge girders |
| CN108098982A (en) * | 2018-01-17 | 2018-06-01 | 中国铁道科学研究院 | Large-span Precast box beam hydraulic deploying and retracting internal mold |
| CN108098982B (en) * | 2018-01-17 | 2024-04-12 | 中国铁道科学研究院 | Hydraulic retraction internal mold for large-span precast box girder |
| CN115723226A (en) * | 2022-12-09 | 2023-03-03 | 江苏月生达机械制造有限公司 | Multi-section adjustable structure of internal mold of prefabricated hydraulic box girder |
| CN118024385A (en) * | 2024-03-11 | 2024-05-14 | 中铁四局集团有限公司 | Quick-release prefabricated highway small box girder inner mold and demolding tool and demolding method |
| CN118144077A (en) * | 2024-03-11 | 2024-06-07 | 中铁四局集团有限公司 | Quick-release type highway box girder hydraulic internal mold and working method thereof |
| CN118024385B (en) * | 2024-03-11 | 2024-11-12 | 中铁四局集团有限公司 | Quick-release prefabricated highway small box girder inner mold and demolding tool and demolding method |
| CN118144077B (en) * | 2024-03-11 | 2024-11-19 | 中铁四局集团有限公司 | Quick-release type highway box girder hydraulic internal mold and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102191751B (en) | 2012-04-25 |
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Denomination of invention: Hydraulic internal mold for asymmetric box girder Effective date of registration: 20200608 Granted publication date: 20120425 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: HUNAN CHINA RAILWAY WUXIN STEEL MOULD Co.,Ltd. Registration number: Y2020980002866 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220111 Granted publication date: 20120425 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: Hunan China Railway Wuxin Steel Mould Co.,Ltd. Registration number: Y2020980002866 |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 205, Xingsha Avenue, Changsha County, Hunan 410100 Patentee after: Hunan Wuxin Intelligent Technology Co.,Ltd. Address before: No. 205, Xingsha Avenue, Changsha County, Hunan 410100 Patentee before: Hunan China Railway Wuxin Steel Mould Co.,Ltd. |