CN113250087A - Descending movable formwork suitable for door-shaped pier structure bridge - Google Patents
Descending movable formwork suitable for door-shaped pier structure bridge Download PDFInfo
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- CN113250087A CN113250087A CN202110537421.8A CN202110537421A CN113250087A CN 113250087 A CN113250087 A CN 113250087A CN 202110537421 A CN202110537421 A CN 202110537421A CN 113250087 A CN113250087 A CN 113250087A
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- 238000009415 formwork Methods 0.000 title claims abstract description 24
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- 238000010276 construction Methods 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 3
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- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 201000005484 prostate carcinoma in situ Diseases 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The utility model provides a down formula moving die carrier suitable for door type mound structure bridge, pour when last case roof beam and finish the back, the piston rod of die block jack inwards withdraws, drive die block board downstream, will descend the landing leg to demolish from last landing leg, vertical drive arrangement drive girder downstream, be located the below of door type mound until the die block board, realize whole falling formwork, the gyro wheel of going up the landing leg lower extreme falls on the track that corresponds, when moving die carrier indulges and moves, whole device is along the track walking, the die block board is with being less than door type mound height and indulge and move to next and stride the construction. The movable formwork frame does not need to be integrally dismantled when longitudinally moving the equipment, so that the construction efficiency is improved, the bottom formwork and the cross beam integrally descend, the integral gravity center of the equipment is reduced, and the stability is improved.
Description
Technical Field
The invention relates to the technical field of bridge construction equipment, in particular to a descending type movable formwork support leg lifting mechanism.
Background
With the rapid development of high-speed railway construction in China, the highway and railway dual-purpose bridge is more and more applied. The highway and railway dual-purpose bridge generally adopts a double-layer structure, the box girder arranged at the lower part is generally paved on a railway for the running of a train, and the box girder at the upper end is a highway surface for the running of a car. But the box girder at the upper end of the highway and railway dual-purpose bridge is fixed on the pier through the gate-shaped pier. The highway-railway dual-purpose bridge is also constructed by utilizing the movable mould frame, after a box girder of one span is laid, a connecting mechanism between a bottom mould and a main girder of the movable mould frame needs to be dismantled, then the main girder is subjected to mould falling, the main girder is longitudinally moved along with the movable mould frame after the mould falling, a large amount of labor and time are consumed for dismantling, and the construction efficiency is influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the descending type movable formwork which is suitable for the door-shaped pier structure bridge and does not need to dismantle the supporting legs and the main beam, and the longitudinal moving hole passing efficiency of the movable formwork is improved.
The technical scheme adopted by the invention for overcoming the technical problems is as follows:
the utility model provides a down formula moving die carrier suitable for door type mound structure bridge, includes the pier, sets up lower case roof beam on the pier, sets up door type mound on the pier, sets up last case roof beam and the die block board in door type mound upper end, still includes: the two upper supporting legs are respectively fixed on the left side and the right side of the lower end of the main beam in the vertical direction, the lower ends of the upper supporting legs are provided with lower supporting legs, the lower ends of the lower supporting legs are supported on the lower box girder, rollers are rotatably arranged below the upper supporting legs, and the upper end of the main beam is horizontally connected with a cross beam; the two rails are respectively arranged on the upper end surface of the lower box girder along the length direction of the lower box girder; the two upright columns are respectively and vertically arranged on the lower box girder, and each upright column is positioned at the outer side end of the upper supporting leg positioned at the same side; the left side and the right side of the main beam are respectively provided with a guide sleeve II, and the guide sleeves II are slidably sleeved on the corresponding upright posts on the same side; a guide sleeve I is arranged at the outer side end of the upper supporting leg and is sleeved on the corresponding upright column at the same side in a sliding manner; the cushion block is arranged at the upper end of the cross beam, a plurality of bottom die jacks are arranged at the upper end of the cushion block along the vertical direction, and the piston rod end of each bottom die jack is connected with the lower end surface of the bottom die plate; and the longitudinal driving device drives the main beam and the upper supporting leg to move the roller downwards along the upright post to contact with the corresponding track on the same side after the lower supporting leg is detached from the upper supporting leg.
Furthermore, the longitudinal driving device comprises a plurality of positioning holes which are arranged on the stand column at intervals in the vertical direction, and a driving oil cylinder of which the lower end is hinged to the guide sleeve III through a pin shaft II, the head end of a piston rod of the driving oil cylinder is hinged to the guide sleeve II through a pin shaft I, a pin hole I is formed in the guide sleeve III, a pin hole II is formed in the guide sleeve I, and a bolt penetrates through the pin hole I or the pin hole II and then is inserted into the corresponding positioning hole.
In order to further improve the operation convenience, the upper end of the lower supporting leg is rotatably connected with the lower end of the upper supporting leg through a pin shaft III, the tail end of the oil cylinder is hinged and installed below the main beam through a pin shaft IV, the head end of a piston rod of the oil cylinder is hinged and connected with the lower supporting leg through a pin shaft V, when the piston rod of the oil cylinder is completely extended out, the lower supporting leg rotates to be in a vertical state and is positioned right below the upper supporting leg, and when the piston rod of the oil cylinder is completely retracted, the lower supporting leg rotates to be in a horizontal state towards the outer side.
In order to realize integral die drop, a main lifting jack is arranged below the lower supporting leg, and when the lower supporting leg rotates to a vertical state and the bottom template is in a working state, a piston rod of the main lifting jack extends out and is in contact with the upper end face of the lower box girder.
The invention has the beneficial effects that: after the upper box girder is poured, a piston rod of the bottom die jack retracts inwards to drive the bottom die plate to move downwards, the lower supporting leg is detached from the upper supporting leg, the longitudinal driving device drives the main beam to move downwards until the bottom die plate is located below the gate-shaped pier, the integral die falling is realized, rollers at the lower end of the upper supporting leg fall onto corresponding tracks, when the movable die carrier moves longitudinally, the whole device travels along the tracks, and the bottom die plate moves longitudinally to the next span construction with the height lower than that of the gate-shaped pier. The movable formwork frame does not need to be integrally dismantled when longitudinally moving the equipment, so that the construction efficiency is improved, the bottom formwork and the cross beam integrally descend, the integral gravity center of the equipment is reduced, and the stability is improved.
Drawings
Fig. 1 is a schematic view of a box girder casting state of the present invention;
FIG. 2 is a schematic view of the through hole of the invention in longitudinal movement after die stripping;
FIG. 3 is a schematic structural diagram of a driving cylinder portion of the present invention;
FIG. 4 is a schematic structural view of the lower leg support of the present invention;
FIG. 5 is a schematic structural view of the lower leg of the present invention in a rotated state;
FIG. 6 is a schematic structural view of the contact state of the roller and the rail according to the present invention;
in the figure, 1, a pier 2, a gate-shaped pier 3, a lower box girder 4, an upper box girder 5, an upright post 6, a main girder 7, a driving oil cylinder 8, a bottom template 9, an upper leg 10, a guide sleeve I11, a lower leg 12, a roller 13, a track 14, a pin shaft I15, a pin shaft II 16, a guide sleeve II 17, a guide sleeve III 18, a positioning hole 19, a pin hole I20, a pin hole II 21, a main lifting jack 22, an oil cylinder 23, a pin shaft III 24, a pin shaft IV 25, a pin shaft V26, a beam 27, a cushion block 28 and a bottom template jack.
Detailed Description
The invention is further described with reference to fig. 1 to 6.
As shown in the attached figure 1, a down formula moving die carrier suitable for door type mound structure bridge, include pier 1, set up lower box girder 3 on pier 1, set up door type mound 2 on pier 1, set up in last box girder 4 and the die block board 8 of door type mound 2 upper end, still include: the two upper supporting legs 9 are respectively fixed on the left side and the right side of the lower end of the main beam 6 in the vertical direction, the lower ends of the upper supporting legs 9 are provided with lower supporting legs 11, the lower ends of the lower supporting legs 11 are supported on the lower box girder 3, rollers 12 are rotatably arranged below the upper supporting legs 9, and the upper end of the main beam 6 is horizontally connected with a cross beam 26; two rails 13 respectively arranged on the upper end surface of the lower box girder 3 along the length direction of the lower box girder 3; the two upright columns 5 are respectively and vertically arranged on the lower box girder 3, and each upright column 5 is positioned at the outer side end of the upper supporting leg 9 positioned at the same side; the left side and the right side of the main beam 6 are respectively provided with a guide sleeve II 16, and the guide sleeves II 16 are slidably sleeved on the corresponding upright posts 5 on the same side; a guide sleeve I10 is arranged at the outer side end of the upper supporting leg 9, and the guide sleeve I10 is slidably sleeved on the corresponding upright post 5 at the same side; the cushion block 27 is arranged at the upper end of the cross beam 26, a plurality of bottom die jacks 28 are arranged at the upper end of the cushion block 27 along the vertical direction, and the head end of a piston rod of each bottom die jack 28 is connected with the lower end face of the bottom die plate 8; and a longitudinal driving device, when the lower supporting leg 11 is detached from the upper supporting leg 9, the longitudinal driving device drives the main beam 6 and the upper supporting leg 9 to move the rollers 12 downwards along the upright post 5 to be contacted with the corresponding tracks 13 on the same side. When the upper box girder 4 is poured, the lower support legs 11 and the upper support legs 9 jointly act to support the movable formwork main beam 6, the movable formwork main beam 6 supports the cross beam 26, and the piston rods of the bottom formwork jacks 28 on the cross beam 26 extend outwards to support the bottom formwork 8 in place, so that the upper box girder 4 can be poured and manufactured. After the upper box girder 4 is poured, as shown in fig. 2, a piston rod of a bottom die jack 28 retracts inwards to drive a bottom die plate 8 to move downwards, a lower support leg 11 is detached from an upper support leg 9, a longitudinal driving device drives a main beam 6 to move downwards until the bottom die plate 8 is positioned below a gate-shaped pier 2, so that integral die falling is realized, as shown in fig. 6, rollers 12 at the lower end of the upper support leg 9 fall onto corresponding rails 13, when the die carrier is moved longitudinally, the whole device travels along the rails 13, and the bottom die plate 8 is moved longitudinally to the next span construction at a height lower than that of the gate-shaped pier 2. The movable formwork frame does not need to be integrally dismantled when longitudinally moving the equipment, so that the construction efficiency is improved, the bottom formwork and the cross beam integrally descend, the integral gravity center of the equipment is reduced, and the stability is improved.
Further, as shown in fig. 3, the longitudinal driving device may be configured to include a plurality of positioning holes 18 vertically spaced apart from each other on the column 5, and a driving cylinder 7 having a lower end hinged to the guide sleeve iii 17 by a pin ii 15, wherein a piston rod end of the driving cylinder 7 is hinged to the guide sleeve ii 16 by a pin i 14, the guide sleeve iii 17 is provided with a pin hole i 19, the guide sleeve i 10 is provided with a pin hole ii 20, and the pin passes through the pin hole i 19 or the pin hole ii 20 and then is inserted into the corresponding positioning hole 18. When the main beam 6 and the upper leg 9 move downwards, the pin penetrates through the pin hole II 20 and then is inserted into the corresponding positioning hole 18, locking and fixing of the guide sleeve I10 relative to the upright post 5 are achieved, then the piston rod of the driving oil cylinder 7 extends outwards, pushing of the guide sleeve III 17 to slide downwards along the upright post 5 is achieved, after the piston rod of the driving oil cylinder 7 extends completely, the pin penetrates through the pin hole I19 and then is inserted into the corresponding positioning hole 18, then the pin in the pin hole II 20 is pulled out, and as the guide sleeve III 17 is fixed relative to the upright post 5, when the piston rod of the driving oil cylinder 7 retracts, the driving guide sleeve II 16 slides downwards along the upright post 5, the guide sleeve I10 also slides downwards along the upright post 5, and downward moving of the main beam 6 and the upper leg 9 is achieved. Repeating the above actions, the main beam 6 and the upper leg 9 can be driven to move downwards step by the continuous extension and retraction of the driving oil cylinder 7, and finally the roller 12 is contacted with the corresponding track 13 on the same side. When the main beam 6 moves upwards, the bolt penetrates through the pin hole I19 and then is inserted into the corresponding positioning hole 18, the piston rod of the driving oil cylinder 7 extends outwards, the piston rod pushes the guide sleeve II 16 to drive the main beam 6 to move upwards along the upright post 5, then the bolt penetrates through the pin hole II 20 and then is inserted into the corresponding positioning hole 18, the bolt in the pin hole I19 is pulled out, the piston rod of the driving oil cylinder 7 retracts inwards, the guide sleeve III 17 is driven to move upwards, the actions are repeated, and the main beam 6 can be driven to move upwards step by step through the driving oil cylinder 7.
Preferably, as shown in fig. 4, the upper end of the lower leg 11 is rotatably connected to the lower end of the upper leg 9 by a pin iii 23, the tail end of the oil cylinder 22 is hinged to the lower side of the main beam 6 by a pin iv 24, the head end of the piston rod of the oil cylinder 22 is hinged to the lower leg 11 by a pin v 25, when the piston rod of the oil cylinder 22 is fully extended, the lower leg 11 is rotated to the vertical state and is located right below the upper leg 9, as shown in fig. 5, when the piston rod of the oil cylinder 22 is fully retracted, the lower leg 11 is rotated to the horizontal state to the outside. When the longitudinal driving device needs to drive the main beam 6 to drive the bottom formwork 8 to drop the formwork downwards, the piston rod of the oil cylinder retracts inwards, so that the lower supporting leg 11 is driven to overturn outwards to a horizontal state, and the lower supporting leg 11 cannot interfere with the lower box girder 3 when the main beam 6 moves downwards. Meanwhile, the oil cylinder 22 drives the lower supporting leg 11 to turn over and open or turn over to a vertical state relative to the upper supporting leg 9 to play a supporting role, the operation is simple, manual disassembly is not needed, and the efficiency is further improved.
Further, a main lifting jack 21 is arranged below the lower support leg 11, and when the lower support leg 11 rotates to the vertical state and the bottom formwork 8 is in the working state, a piston rod of the main lifting jack 21 extends out and is in contact with the upper end face of the lower box girder 3. When the lower support leg 11 is in a vertical state and plays a supporting role, the piston rod of the main lifting jack 21 extends outwards, the piston rod is contacted with the upper end surface of the lower box girder 3, and the bottom formwork 8 is supported in place by the supporting force of the main lifting jack 21. When the main beam 6 is moved downwards, the piston rods of the main lifting jacks 21 are retracted inwards so that the main lifting jacks 21 are clear of the upper end face of the lower box beam 3, at which time the lower leg 11 can be pivoted apart relative to the upper leg 9.
The above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a down formula moving die carrier suitable for door type mound structure bridge, includes pier (1), sets up lower case roof beam (3) on pier (1), sets up door type mound (2) on pier (1), sets up last case roof beam (4) and die block board (8) in door type mound (2) upper end, its characterized in that still includes:
the two upper supporting legs (9) are respectively fixed on the left side and the right side of the lower end of the main beam (6) in the vertical direction, the lower ends of the upper supporting legs (9) are provided with lower supporting legs (11), the lower ends of the lower supporting legs (11) are supported on the lower box girder (3), rollers (12) are rotatably arranged below the upper supporting legs (9), and the upper end of the main beam (6) is horizontally connected with a cross beam (26);
the two rails (13) are respectively arranged on the upper end surface of the lower box girder (3) along the length direction of the lower box girder (3);
the two upright posts (5) are respectively vertically arranged on the lower box girder (3), and each upright post (5) is positioned at the outer side end of the upper supporting leg (9) positioned at the same side;
the left side and the right side of the main beam (6) are respectively provided with a guide sleeve II (16), and the guide sleeves II (16) are sleeved on the corresponding upright posts (5) on the same side in a sliding manner;
a guide sleeve I (10) is arranged at the outer side end of the upper supporting leg (9), and the guide sleeve I (10) is slidably sleeved on the corresponding upright post (5) at the same side;
the cushion block (27) is arranged at the upper end of the cross beam (26), a plurality of bottom die jacks (28) are arranged at the upper end of the cushion block (27) along the vertical direction, and the head ends of piston rods of the bottom die jacks (28) are connected with the lower end surface of the bottom template (8); and
and the longitudinal driving device drives the main beam (6) and the upper leg (9) to move the roller (12) downwards along the upright post (5) to be contacted with the corresponding track (13) on the same side after the lower leg (11) is detached from the upper leg (9).
2. The descending mobile formwork for the gate-type pier structure bridge according to claim 1, wherein: the vertical driving device comprises a plurality of positioning holes (18) which are arranged on the upright post (5) at intervals in the vertical direction and a driving oil cylinder (7) of which the lower end is hinged to the guide sleeve III (17) through a pin shaft II (15), the head end of a piston rod of the driving oil cylinder (7) is hinged to the guide sleeve II (16) through a pin shaft I (14), a pin hole I (19) is formed in the guide sleeve III (17), a pin hole II (20) is formed in the guide sleeve I (10), and a bolt is inserted into the corresponding positioning hole (18) after penetrating through the pin hole I (19) or the pin hole II (20).
3. The descending mobile formwork for the gate-type pier structure bridge according to claim 1, wherein: the upper end of the lower supporting leg (11) is rotatably connected with the lower end of the upper supporting leg (9) through a pin shaft III (23), the tail end of the oil cylinder (22) is hinged below the main beam (6) through a pin shaft IV (24), the head end of a piston rod of the oil cylinder (22) is hinged with the lower supporting leg (11) through a pin shaft V (25), when the piston rod of the oil cylinder (22) is completely extended out, the lower supporting leg (11) rotates to a vertical state and is positioned under the upper supporting leg (9), and when the piston rod of the oil cylinder (22) is completely retracted, the lower supporting leg (11) rotates to a horizontal state outwards.
4. The descending mobile formwork for the gate-type pier structure bridge according to claim 1, wherein: and a main lifting jack (21) is arranged below the lower supporting leg (11), and when the lower supporting leg (11) rotates to a vertical state and the bottom formwork (8) is in a working state, a piston rod of the main lifting jack (21) extends out and is in contact with the upper end face of the lower box girder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537421.8A CN113250087B (en) | 2021-05-18 | 2021-05-18 | Down movable mould frame suitable for door-type pier structure bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537421.8A CN113250087B (en) | 2021-05-18 | 2021-05-18 | Down movable mould frame suitable for door-type pier structure bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113250087A true CN113250087A (en) | 2021-08-13 |
| CN113250087B CN113250087B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110537421.8A Active CN113250087B (en) | 2021-05-18 | 2021-05-18 | Down movable mould frame suitable for door-type pier structure bridge |
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| CN (1) | CN113250087B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319034A (en) * | 2021-12-16 | 2022-04-12 | 济南金曰公路工程有限公司 | Beam slab assembling template for jointly building double-layer public rails |
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| CN101581073A (en) * | 2008-07-10 | 2009-11-18 | 中铁大桥局股份有限公司 | Downlink movable mould frame and walking method thereof |
| CN107227690A (en) * | 2017-08-07 | 2017-10-03 | 山东恒堃机械有限公司 | Leg structure in a kind of upstroke movable framework |
| CN111749138A (en) * | 2020-07-17 | 2020-10-09 | 山东恒堃机械有限公司 | Three-girder moving die frame structure |
| CN214883015U (en) * | 2021-05-18 | 2021-11-26 | 山东恒堃机械有限公司 | Descending movable formwork suitable for door-shaped pier structure bridge |
-
2021
- 2021-05-18 CN CN202110537421.8A patent/CN113250087B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581073A (en) * | 2008-07-10 | 2009-11-18 | 中铁大桥局股份有限公司 | Downlink movable mould frame and walking method thereof |
| CN107227690A (en) * | 2017-08-07 | 2017-10-03 | 山东恒堃机械有限公司 | Leg structure in a kind of upstroke movable framework |
| CN111749138A (en) * | 2020-07-17 | 2020-10-09 | 山东恒堃机械有限公司 | Three-girder moving die frame structure |
| CN214883015U (en) * | 2021-05-18 | 2021-11-26 | 山东恒堃机械有限公司 | Descending movable formwork suitable for door-shaped pier structure bridge |
Non-Patent Citations (3)
| Title |
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| 刘卓;: "上行式移动模架过门型墩柱的一种施工方法", 价值工程, no. 32, 18 November 2015 (2015-11-18) * |
| 刘德建;: "上承式移动模架跨门式墩施工技术的应用与研究", 人民交通, no. 05, 5 May 2020 (2020-05-05) * |
| 刘祚波;孙莉;姚莉;: "移动模架施工适应性研究", 水运工程, no. 03, 25 March 2008 (2008-03-25) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319034A (en) * | 2021-12-16 | 2022-04-12 | 济南金曰公路工程有限公司 | Beam slab assembling template for jointly building double-layer public rails |
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| CN113250087B (en) | 2024-06-18 |
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Effective date of registration: 20220524 Address after: 241000 R & D Center (buildings 4 and 5), No. 17-8 Fumin Road, Wuhu District, Wuhu pilot Free Trade Zone, Anhui Province Applicant after: CCCC SHEC FOURTH ENGINEERING Co.,Ltd. Applicant after: SHANDONGHENGKUN MACHINERY Co.,Ltd. Applicant after: Ning'an railway LLC Address before: 250014 room 1603, building 1, Sanqing United Fortune Plaza, high tech Zone, Jinan City, Shandong Province Applicant before: SHANDONGHENGKUN MACHINERY Co.,Ltd. Applicant before: CCCC SHEC FOURTH ENGINEERING Co.,Ltd. |
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