CN103302737A - Dismounting device and dismounting method of internal mold of precast beam - Google Patents
Dismounting device and dismounting method of internal mold of precast beam Download PDFInfo
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- CN103302737A CN103302737A CN2013102493795A CN201310249379A CN103302737A CN 103302737 A CN103302737 A CN 103302737A CN 2013102493795 A CN2013102493795 A CN 2013102493795A CN 201310249379 A CN201310249379 A CN 201310249379A CN 103302737 A CN103302737 A CN 103302737A
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Abstract
The invention relates to a dismounting device and a dismounting method of an internal mold of a precast beam. The dismounting device comprises a movable power piece, wherein open connecting holes are formed in the movable power piece; steel wire ropes penetrate through the connecting holes of the movable power piece and connecting holes of power transmission reinforcers and then are fixed by clamps; movable hinges are fixed on the internal mold and fixed on hinge reinforcers; the movable power piece is made of channel steel; and the power transmission reinforcers are welded on the internal mold. The dismounting device of the internal mold of the precast beam adopts a structure that components such as the movable power piece, the steel wire ropes and the power transmission reinforcers are matched with each other, the mold dismounting power is provided manually by the mold dismounting device, the internal mold is dismounted section by section from the two ends to the middle, the dismounting speed of the internal mold of the precast beam is increased, the working environment of a worker is improved, the difficult problem that the dismounting of the internal mold of the precast beam is limited by a narrow space, the internal mold of the precast beam can be dismounted conveniently, the construction speed is increased, the cost is low, and the operation is convenient.
Description
Technical field
The present invention relates to highway precast beam internal mold field, be specifically related to the device that a kind of internal mold that is applicable to in-situ precast case beam, precast hollow plate-girder removes and utilize this device to remove method of module in the precast beam.
Background technology
Highway prefabricated case beam, precast hollow plate-girder all adopt the arrangement and method for construction of in-situ precast, are subjected to the restriction of narrow space because of the precast beam internal mold, manually-operated inconvenience, and the dismounting of precast beam internal mold is difficulty comparatively.
Summary of the invention
Technical problem to be solved by this invention provides a kind of novel precast beam internal mold detaching device and method, and this device and method applicability is stronger, be convenient to on-the-spot precast beam prefabricated, easy to operate, progress fast, strong adaptability, the dismounting of precast beam internal mold is convenient.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of precast beam internal mold detaching device, comprise powered movable spare, powered movable spare is provided with out connecting hole, fixing by the card code behind the connecting hole of steel wire penetrating powered movable spare and power transmission reinforcement, be fixed with hinges at internal mold, hinges is fixed on the hinge reinforcement.
Described moving force piece is made by channel-section steel.
Described power transmission reinforcement is welded on the internal mold.
Utilize apparatus of the present invention to remove method of module in the precast beam, may further comprise the steps:
1) after the precast beam concrete strength reached the form removal requirement, the U card between manual demolition formwork and piece, moulding plate node and the joint was removed internal mold section by section at two ends from precast beam to the centre; The length direction of at first artificial beam pulls out the powered movable spare on the internal mold A piece, then unclamping moving powered movable spare moves to other direction, repeat above-mentioned action, moving powered movable spare is reciprocating along the length direction of beam, a form removal power horizontal, that continue is provided so just for internal mold A piece, internal mold A piece breaks away from precast beam along first form removal inclined-plane, manually will break away from precast beam internal mold A piece and pull out the precast beam inner chamber;
2) then the length direction of artificial beam pulls out moving powered movable spare on the internal mold B piece, then unclamping moving powered movable spare moves to other direction, repeat above-mentioned action, moving powered movable spare is reciprocating along the length direction of beam, a form removal power horizontal, that continue is provided so just for internal mold B piece, internal mold B piece will break away from precast beam, manually will break away from precast beam internal mold B piece and pull out the precast beam inner chamber, and the first segment internal mold is removed and finished;
3) repeat above-mentioned two steps, get final product the dismounting of whole internal mold.
Bevel angle control 40 ~ 50 degree on first form removal inclined-plane.
Precast beam internal mold detaching device provided by the invention and method, by the structure that adopts the parts such as powered movable spare, steel wire rope, power transmission reinforcement to cooperatively interact, solve the precast beam internal mold and removed the problem of the restriction constructional difficulties that is subjected to narrow space, can remove easily the precast beam internal mold, speed of application, cost is low, and is easy to operate.
The power transmission reinforcement can be processed by channel-section steel or steel plate, is welded on the internal mold, can strengthen connecting between power transmission reinforcement and the template.
The total of internal mold hinge place intensity, rigidity a little less than, be in again the motion operating mode herein, the effect of hinge reinforcement is the strength and stiffness that increases the hinge place.
Bevel angle control 40 ~ 50 degree on first form removal inclined-plane, if angle is less, internal mold A is relatively long to B piece direction displacement, if angle is larger, possible internal mold A is under the effect of form removal power, do not have mobile space, cause internal mold A not remove, the angle of 40 ~ 50 degree can ensure carrying out smoothly of form removal.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is that master of the present invention looks schematic diagram.
Fig. 2 is schematic side view of the present invention.
Fig. 3 is that the rear pattern plate view is finished in concreting of the present invention.
Fig. 4 is that the present invention removes view behind first internal mold A of first segment piece.
Fig. 5 is that the present invention removes view behind first internal mold B of first segment piece.
The specific embodiment
Structure of the present invention is shown in Fig. 1-2, a kind of precast beam internal mold detaching device, comprise powered movable spare 1, powered movable spare 1 is provided with out connecting hole, steel wire rope 2 passes behind the connecting hole of powered movable spare 1 and power transmission reinforcement 7 fixing by card code 3, be fixed with hinges 4 at internal mold, hinges 4 is fixed on the hinge reinforcement 5.Described moving force piece 1 is made by channel-section steel.Described power transmission reinforcement 7 is welded on the internal mold.
Manufacturing process of the present invention is as follows: according to the Section Design size of precast beam, the cross section template is resolved into the form assembly that polylith template (this illustration means two combinations), vertical section can resolve into certain-length.At hinges 4 and the hinge reinforcement 5 of certain-length internal mold layout more than two, powered movable spare 1 is made of channel-section steel or other materials with certain-length, constant weight of certain-length, bores connecting hole on the powered movable spare.Described steel wire rope 2 has certain flexibility and intensity, fixing by card code 3 behind the connecting hole of steel wire penetrating powered movable spare and power transmission reinforcement, fixedly during steel wire rope, steel wire rope 2 will have certain-length, guarantees that powered movable spare longitudinally has certain space.
The present invention is installed in the internal mold shown in Fig. 1-2, and shown internal mold is made of internal mold A piece 10, internal mold B piece 9, first form removal inclined-plane 6 and U-shaped card 8 etc.
Utilize device provided by the invention to remove in the precast beam method of module as follows: referring to Fig. 3-5:
1) after the precast beam concrete strength reached the form removal requirement, the U card 8 between manual demolition formwork and piece, moulding plate node and the joint was removed internal mold section by section at two ends from precast beam to the centre; The length direction of at first artificial beam pulls out the powered movable spare 1 on the internal mold A piece 10, then unclamping moving powered movable spare 1 moves to other direction, repeat above-mentioned action, moving powered movable spare 1 is reciprocating along the length direction of beam, a form removal power horizontal, that continue is provided so just for internal mold A piece 10, internal mold A piece 10 breaks away from precast beam along first form removal inclined-plane, manually will break away from precast beam internal mold A piece 10 and pull out the precast beam inner chamber;
2) then the length direction of artificial beam pulls out moving powered movable spare on the internal mold B piece 9, then unclamping moving powered movable spare 1 moves to other direction, repeat above-mentioned action, moving powered movable spare 1 is reciprocating along the length direction of beam, a form removal power horizontal, that continue is provided so just for internal mold B piece 9, internal mold B piece 9 will break away from precast beam, manually will break away from precast beam internal mold B piece 9 and pull out the precast beam inner chamber, and the first segment internal mold is removed and finished;
3) repeat above-mentioned two steps, get final product the dismounting of whole internal mold.
The effect of hinges 4 be internal mold A piece 10 under the effect of form removal power, can move to B piece 9 along the inclined-plane on first form removal inclined-plane, for the structure that makes internal mold A piece 10 reaches this requirement, internal mold A piece 10 must laterally shrinking with vertical at beam.Hinge is exactly to finish the instrument that internal mold A piece 10 shrinks.Internal mold B piece 9 in like manner.
Bevel angle control 40 ~ 50 degree on first form removal inclined-plane, if angle is less, internal mold A piece 10 is relatively long to B piece 9 direction displacements, if angle is larger, possible internal mold A piece 10 does not have mobile space under the effect of form removal power.Internal mold A10 does not remove.
Claims (5)
1. precast beam internal mold detaching device, comprise powered movable spare (1), it is characterized in that: powered movable spare (1) is provided with connecting hole, steel wire rope (2) passes behind the connecting hole of powered movable spare (1) and power transmission reinforcement (7) fixing by card code (3), be fixed with hinges (4) at internal mold, hinges (4) is fixed on the hinge reinforcement (5).
2. precast beam internal mold detaching device according to claim 1, it is characterized in that: described moving force piece (1) is made by channel-section steel.
3. precast beam internal mold detaching device according to claim 1, it is characterized in that: described power transmission reinforcement (7) is processed by channel-section steel or steel plate, is welded on the internal mold.
4. utilize the interior method of module of arbitrary described device dismounting precast beam among the claim 1-3, it is characterized in that: may further comprise the steps:
1) after the precast beam concrete strength reached the form removal requirement, the U card (8) between manual demolition formwork and piece, moulding plate node and the joint was removed internal mold section by section at two ends from precast beam to the centre; The length direction of at first artificial beam pulls out the powered movable spare (1) on the internal mold A piece (10), then unclamping moving powered movable spare (1) moves to other direction, repeat above-mentioned action, moving powered movable spare (1) is reciprocating along the length direction of beam, a form removal power horizontal, that continue is provided so just for internal mold A piece (10), internal mold A piece (10) breaks away from precast beam along first form removal inclined-plane (6), manually will break away from precast beam internal mold A piece (10) and pull out the precast beam inner chamber;
2) then the length direction of artificial beam pulls out moving powered movable spare (1) on the internal mold B piece (9), then unclamping moving powered movable spare (1) moves to other direction, repeat above-mentioned action, moving powered movable spare (1) is reciprocating along the length direction of beam, a form removal power horizontal, that continue is provided so just for internal mold B piece (9), internal mold B piece (9) will break away from precast beam, manually will break away from precast beam internal mold B piece (9) and pull out the precast beam inner chamber, the first segment internal mold is removed and is finished;
3) repeat above-mentioned two steps, get final product the dismounting of whole internal mold.
5. method according to claim 4 is characterized in that: bevel angle control 40 ~ 50 degree on first form removal inclined-plane (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102493795A CN103302737A (en) | 2013-06-22 | 2013-06-22 | Dismounting device and dismounting method of internal mold of precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102493795A CN103302737A (en) | 2013-06-22 | 2013-06-22 | Dismounting device and dismounting method of internal mold of precast beam |
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| CN103302737A true CN103302737A (en) | 2013-09-18 |
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| CN2013102493795A Pending CN103302737A (en) | 2013-06-22 | 2013-06-22 | Dismounting device and dismounting method of internal mold of precast beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471414A (en) * | 2017-09-20 | 2017-12-15 | 中铁二十二局集团第三工程有限公司 | A kind of construction method of draw type steel internal mould and pre-cast hollow slab |
| CN111015908A (en) * | 2019-12-16 | 2020-04-17 | 中交第二航务工程局有限公司 | Device and method for pulling out integral steel core mold of pre-tensioning hollow slab |
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| JP2001347520A (en) * | 2000-06-09 | 2001-12-18 | Toyota Koki Kk | Internal mold for cylindrical concrete product |
| JP2005066830A (en) * | 2003-08-21 | 2005-03-17 | Asahi Concrete Works Co Ltd | Form for manufacturing concrete product |
| CN201447869U (en) * | 2009-04-15 | 2010-05-05 | 中铁二十一局集团第三工程有限公司 | Withdrawable internal mold for small cavity beams in bridge construction |
| CN102198693A (en) * | 2011-05-13 | 2011-09-28 | 湖南中铁五新钢模有限责任公司 | Sectional box beam hydraulic internal mold |
| CN102294741A (en) * | 2011-07-14 | 2011-12-28 | 中铁二局股份有限公司 | Hinged draw type steel internal mould and construction method for prefabricating hollow slab beams |
| CN102398302A (en) * | 2011-10-28 | 2012-04-04 | 中铁四局集团第四工程有限公司 | Folding drawing steel internal mould system for prefabricated hollow beam |
| CN103192448A (en) * | 2013-03-19 | 2013-07-10 | 中交四公局第一工程有限公司 | Internal mold and manufacturing method thereof, and precast box girder and manufacturing method thereof |
| CN203317517U (en) * | 2013-06-22 | 2013-12-04 | 葛洲坝集团第五工程有限公司 | Device for dismounting inner formwork of prefabricated beam |
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2013
- 2013-06-22 CN CN2013102493795A patent/CN103302737A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001347520A (en) * | 2000-06-09 | 2001-12-18 | Toyota Koki Kk | Internal mold for cylindrical concrete product |
| JP2005066830A (en) * | 2003-08-21 | 2005-03-17 | Asahi Concrete Works Co Ltd | Form for manufacturing concrete product |
| CN201447869U (en) * | 2009-04-15 | 2010-05-05 | 中铁二十一局集团第三工程有限公司 | Withdrawable internal mold for small cavity beams in bridge construction |
| CN102198693A (en) * | 2011-05-13 | 2011-09-28 | 湖南中铁五新钢模有限责任公司 | Sectional box beam hydraulic internal mold |
| CN102294741A (en) * | 2011-07-14 | 2011-12-28 | 中铁二局股份有限公司 | Hinged draw type steel internal mould and construction method for prefabricating hollow slab beams |
| CN102398302A (en) * | 2011-10-28 | 2012-04-04 | 中铁四局集团第四工程有限公司 | Folding drawing steel internal mould system for prefabricated hollow beam |
| CN103192448A (en) * | 2013-03-19 | 2013-07-10 | 中交四公局第一工程有限公司 | Internal mold and manufacturing method thereof, and precast box girder and manufacturing method thereof |
| CN203317517U (en) * | 2013-06-22 | 2013-12-04 | 葛洲坝集团第五工程有限公司 | Device for dismounting inner formwork of prefabricated beam |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471414A (en) * | 2017-09-20 | 2017-12-15 | 中铁二十二局集团第三工程有限公司 | A kind of construction method of draw type steel internal mould and pre-cast hollow slab |
| CN111015908A (en) * | 2019-12-16 | 2020-04-17 | 中交第二航务工程局有限公司 | Device and method for pulling out integral steel core mold of pre-tensioning hollow slab |
| CN111015908B (en) * | 2019-12-16 | 2021-09-14 | 中交二航局第一工程有限公司 | Device and method for pulling out integral steel core mold of pre-tensioning hollow slab |
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Application publication date: 20130918 |