CN108316156B - Movable formwork and construction method thereof - Google Patents
Movable formwork and construction method thereof Download PDFInfo
- Publication number
- CN108316156B CN108316156B CN201810346981.3A CN201810346981A CN108316156B CN 108316156 B CN108316156 B CN 108316156B CN 201810346981 A CN201810346981 A CN 201810346981A CN 108316156 B CN108316156 B CN 108316156B
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- wheel
- template
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- walking
- travelling
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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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model provides a movable template and a construction method thereof, wherein the movable template comprises a bracket, a template and a walking assembly, the template is arranged on the bracket, the walking assembly comprises a walking guide rail and a walking trolley, the walking trolley comprises a first wheel shaft, a first walking wheel, a second wheel shaft and a second walking wheel, the first walking wheel is sleeved on the first wheel shaft, the second walking wheel is sleeved on the second wheel shaft, at least one second wheel shaft is connected between two adjacent first wheel shafts, and the first walking wheel moves along the walking guide rail in the transverse direction; the bottom of support is provided with the stopper, is provided with the spacing groove on the stopper, and the spacing groove extends along longitudinal direction, and the second walking wheel is located the spacing inslot. The movable template can avoid repeated construction and form removal, and has high construction efficiency.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a movable template convenient for rapid construction and a construction method thereof.
Background
In construction engineering of parts above the ground such as bridges, elevated roads and the like, a support cast-in-situ simply supported beam side form is required to be erected for supporting, and then concrete pouring is carried out. At present, a steel plate mould with larger weight is basically adopted as the side mould of the cast-in-situ simply supported beam of the bracket, the steel plate mould is directly built on the bracket, a large number of steel plate moulds are needed in the mode, and the bridge, the overhead road and the like are often long in length, so that the side mould of the cast-in-situ simply supported beam of the bracket needs to be constructed in multiple sections, and the side mould of the cast-in-situ simply supported beam of the bracket needs to be repeatedly built and disassembled. In the repeated construction and form removal process, the deformation of the bracket and the steel plate mold is easy to cause, the construction effect is affected, a large amount of time is required to be consumed in the construction and form removal process, the construction efficiency is low, and the engineering progress is slow.
Disclosure of Invention
The utility model mainly aims to provide a movable template which is convenient to construct and simple in structure.
Another object of the present utility model is to provide a construction method with high construction efficiency.
In order to achieve the main purpose, the movable template provided by the utility model comprises a bracket, a template and a traveling assembly, wherein the template is arranged on the bracket, the traveling assembly comprises a traveling guide rail and a traveling trolley, the traveling trolley comprises a first wheel shaft, a first traveling wheel, a second wheel shaft and a second traveling wheel, the first traveling wheel is sleeved on the first wheel shaft, the second traveling wheel is sleeved on the second wheel shaft, at least one second wheel shaft is connected between two adjacent first wheel shafts, and the first traveling wheel moves along the traveling guide rail in the transverse direction; the bottom of support is provided with the stopper, is provided with the spacing groove on the stopper, and the spacing groove extends along longitudinal direction, and the second walking wheel is located the spacing inslot.
According to the technical scheme, the first travelling wheel and the second travelling wheel can drive the support and the template to move in the transverse direction and the longitudinal direction, so that the template can be moved for a certain distance without repeated construction and form removal, the construction efficiency is improved, and the use of the template is reduced.
The further scheme is that the limiting block is provided with a limiting part, and the limiting part is used for limiting the movement of the second travelling wheel.
Therefore, when the first travelling wheel transversely moves on the travelling guide rail, the travelling trolley is prevented from longitudinally moving through the limiting part, and the stability and the accuracy of the movement of the travelling trolley are improved.
Further scheme is, the spacing portion includes dog and through-hole, and the dog setting is in the one end of spacing groove, and the through-hole runs through in the lateral wall of spacing groove, and the distance between dog and the through-hole is less than the diameter of second walking wheel.
Therefore, the second travelling wheel can be limited at the position between the stop block and the through hole by inserting the reinforcing steel bar head into the through hole, so that the operation is very simple and convenient, and the structure is simple.
The movable template further comprises supporting guide rails, wherein the supporting guide rails are positioned on two sides of the walking guide rails, and supporting parts for supporting the brackets are arranged on the supporting guide rails. The support member is a screw jack.
It can be seen that the support guide rail and the support member are provided to facilitate rapid support and positioning of the support and the form, and the screw jack facilitates adjustment of the height of the support.
The travelling trolley comprises two first wheel shafts which are arranged in parallel and two second wheel shafts which are arranged in parallel, wherein the second wheel shafts are fixedly arranged at the end parts of the first wheel shafts, two ends of the first wheel shafts are respectively provided with a first travelling wheel, and the middle part of each second wheel shaft is provided with a second travelling wheel.
Therefore, the first wheel axle and the second wheel axle enclose a rectangular frame structure, and the walking trolley is simple in structure and good in stability.
The further scheme is that the tip of first shaft is provided with the fixture, and the fixture includes base and fixture block, is provided with the draw-in groove that the opening was up on the fixture block, and the fixture passes through the base to be fixed at the tip of first shaft, and the tip joint of second shaft is in the draw-in groove.
Further, the circumferential wall of the first travelling wheel is provided with an annular groove, and the travelling guide rail is positioned in the groove.
Therefore, the grooves are formed in the first travelling wheels, so that the first travelling wheels can walk on the walking guide rail more stably.
The walking guide rail is I-shaped steel, and the width of the upper end guide rail part of the walking guide rail is smaller than that of the lower end supporting part of the walking guide rail.
Therefore, the walking guide rail is arranged into a structure with narrow upper part and wide lower part, so that the stability of the support of the walking guide rail is improved, and the first walking wheel can walk on the walking guide rail more stably.
In order to achieve the other object, the present utility model provides a construction method for performing construction using the above movable formwork, comprising the steps of: after the movable template is installed, pouring a first section of concrete above the template; after the concrete is molded and solidified, the support is released, the support moves downwards for a certain distance, so that the template is separated from the first section of concrete, meanwhile, the limiting block contacts with the second travelling wheel, and the movable template moves for a certain distance in the longitudinal direction and then moves for a certain distance in the transverse direction through the traction device; supporting the bracket again, moving the bracket upwards for a certain distance to separate the limiting block from the second travelling wheel, and pouring a second section of concrete above the template; repeating the steps until the construction is completed.
According to the technical scheme, in the construction method, the construction road section is divided into the plurality of sections to be constructed respectively, and the movable templates are combined to move between each section to pour concrete, so that repeated construction and form removal are avoided, the construction speed is high, the construction cost is low, and the safety is high.
Drawings
Fig. 1 is a block diagram of an embodiment of a moving platen of the present utility model.
Fig. 2 is a block diagram of a walking assembly of a mobile template embodiment of the present utility model.
Fig. 3 is an enlarged view of the structure of the portion a in fig. 1.
Fig. 4 is a block diagram of a movable die plate embodiment of the present utility model.
Fig. 5 is a block diagram of a first axle of a mobile template embodiment of the present utility model.
Fig. 6 is a structural view of a second axle of the moving platen embodiment of the present utility model.
Fig. 7 is an enlarged view of the structure of the portion B in fig. 2.
Fig. 8 is a schematic view of the structure of the moving die plate of the present utility model in the first construction state.
Fig. 9 is an enlarged view of the structure of the portion C in fig. 8.
Fig. 10 is a schematic view of the structure of the moving die plate of the present utility model in the second construction state.
Fig. 11 is an enlarged view of the structure of the portion D in fig. 10.
The utility model is further described below with reference to the drawings and examples.
Detailed Description
Moving template embodiment
Referring to fig. 1, fig. 1 is a block diagram of an embodiment of a moving platen of the present utility model. In this embodiment, the moving template includes a support 1, a template 2, and a traveling assembly, and the template 2 is disposed on the support 1. The support 1 is a steel framework, the support 1 supports the template 2, the template 2 adopts a steel plate die, and the template 2 can be designed into different shapes according to the structural characteristics of the box girder.
The walking assembly is used for moving the support 1 and the template 2, the walking assembly comprises a walking guide rail 3 and a walking trolley 4, the two parallel walking guide rails 3 are arranged below the support 1 along the transverse direction (the transverse direction refers to the direction parallel to the extending direction of the walking guide rails, and the following directions are the same), and the walking trolley 4 can move along the walking guide rails 3. The bottom of support 1 is provided with stopper 10, and stopper 10 is located the top of travelling car 4, and support 1 moves along with travelling car 4 through stopper 10. Two support rails 5 are further provided on both sides of the walking rail 3, in this embodiment, the support rails 5 are disposed in parallel with the walking rail 3, a support member 50 for supporting the stand 1 is provided on the support rails 5, a screw jack, a hydraulic jack, etc. are used as the support member 50, and in this embodiment, the height of the stand 1 is adjustable by the screw jack.
Referring to fig. 2, fig. 2 is a block diagram of a traveling assembly of an embodiment of the mobile template of the present utility model. In the present embodiment, the running rail 3 is i-steel, and the width of the upper end rail portion 30 of the running rail 3 is smaller than the width of the lower end support portion 31 of the running rail 3. The travelling trolley 4 comprises a first axle 40, a first travelling wheel 41, a second axle 42 and a second travelling wheel 43, in this embodiment the first axle 40 and the second axle 42 are made of phi 30mm round steel, the first travelling wheel 41 rotates about the first axle 40, and the second travelling wheel 43 rotates about the second axle 42. The first axle 40 is perpendicular to the running rail 3 and the second axle 42 is perpendicular to the first axle 40. The two first wheel shafts 40 are arranged in parallel, and two first travelling wheels 41 are respectively arranged at two ends of the first wheel shafts 40. The two second wheel shafts 42 are arranged in parallel, and a second travelling wheel 43 is sleeved at the middle part of each second wheel shaft 42. The second axle 42 is fixedly disposed at an end of the first axle 40, and the first axle 40 and the second axle 42 define a rectangular frame structure. An annular groove 410 is provided in the peripheral wall of the first running wheel 41, and the rail portion 30 of the running rail 3 is positioned in the groove 410 when the first running wheel 41 runs on the running rail 3. Due to the limiting effect of the groove 410, the first running wheel 41 is ensured to stably run on the running guide 3.
Referring to fig. 3 and 4, fig. 3 is an enlarged view of the structure of the portion a of fig. 1, and fig. 4 is a structural view of a stopper of a moving die plate embodiment of the present utility model. The stopper 10 is provided with a downward opening stopper groove 100, and the stopper groove 100 extends in the longitudinal direction (the "longitudinal direction" means a direction perpendicular to the extending direction of the running rail, and the same applies hereinafter). The support 1 is moved downward by adjusting the support member 50 so that the second traveling wheel 43 falls into the limit groove 100, and the stopper 10 moves on the second traveling wheel 43 in the longitudinal direction. The limiting block 10 is provided with a limiting part, the limiting part comprises a stop block 101 and a through hole 102, and the stop block 101 is arranged at one end of the limiting groove 100 and plays a limiting role in limiting movement of the limiting block 10. The through hole 102 penetrates through the side wall of the limit groove 100, and when the travelling car 4 moves in the transverse direction, the second travelling wheel 43 can be limited between the stop block 101 of the limit groove 100 and the through hole 102 by inserting the reinforcing steel bar head into the through hole 102, so that the travelling car 4 is prevented from moving in the longitudinal direction, and the distance between the stop block 101 and the through hole 102 is smaller than the diameter of the second travelling wheel 43.
Referring to fig. 5, fig. 5 is a structural view of a first axle of a moving platen embodiment of the present utility model. The end of the first axle 40 is provided with a clamp 400, the clamp 400 including a base 401 and a clamp block 402, the clamp 400 being fixed to the end of the first axle 40 by the base 401. In this embodiment, two clamping blocks 402 are arranged on the base 401 at intervals, a clamping groove 403 with an upward opening is arranged on the clamping block 402, and the bottom of the clamping groove 403 is semicircular.
Referring to fig. 6, fig. 6 is a structural view of a second axle of the moving platen embodiment of the present utility model. Two limiting plates 420 are arranged at intervals at the end part of the second wheel axle 42, and a connecting part 421 of the second wheel axle 42 is formed between the two limiting plates 420.
Referring to fig. 7, fig. 7 is an enlarged view of the structure of the portion B in fig. 2. The connecting portion 421 of the second axle 42 is clamped in the clamping groove 403 of the first axle 40, the limiting plate 420 of the second axle 42 abuts against the outer side of the clamping block 402 of the first axle 40, and the first axle 40 and the second axle 42 are connected in a clamping manner.
Construction method embodiment
Referring to fig. 8 and 9, fig. 8 is a schematic view of the moving platen of the present utility model in a first construction state, and fig. 9 is an enlarged view of a portion C of fig. 8. In the first construction state, a movable formwork is installed at first, a formwork 2 is built on a support 1, a support part 50 is adjusted to a designed elevation, the support 1 is supported on a support guide rail 5 through the support part 50, then a first section of concrete is poured above the formwork 2, and after the first section of concrete is solidified, a first hole box girder 1000 is formed.
Referring to fig. 10 and 11, fig. 10 is a schematic structural view of the moving platen of the present utility model in a second construction state, and fig. 11 is an enlarged structural view of a portion D in fig. 10. In the second construction state, the supporting member 50 is adjusted so as to release the support of the bracket 1, so that the formwork 2 is separated from the first hole box girder 1000, the bracket 1 is lowered, then the stopper 10 provided at the lower end of the bracket 1 is contacted with the second traveling wheel 43 on the traveling trolley 4, the movable formwork is first moved by a distance in the longitudinal direction (rightward in fig. 11) by the traction device (such as a winch), at this time, the upper end of the formwork 2 is also separated from the first hole box girder 1000, the second traveling wheel 43 is abutted with the stopper 101 of the stopper 10, the reinforcing bar head is inserted into the through hole 102, and the second traveling wheel 43 is clamped between the stopper 101 and the reinforcing bar head of the through hole 102. The movable template is moved by a distance in the transverse direction by the traction device, and at the moment, the first travelling wheels 41 transversely move along the travelling guide rail 3, so that the bracket 1 and the template 2 are driven to transversely move, and the movable template moves to the construction position of the second box girder adjacent to the first box girder 1000.
The support part 50 is adjusted to the designed elevation again, the support 1 is supported, the support 1 moves upwards for a certain distance, the limiting block 10 is separated from the second travelling wheel 43, a second section of concrete is poured above the formwork 2, and after the second section of concrete is solidified, a second hole box girder is formed.
Repeating the steps, and constructing the hole box girder of each section until the construction is completed.
By utilizing the movable template and the construction method for construction, repeated construction and template disassembly are not needed, the construction road section is decomposed into multiple sections for construction, the number of steel plate templates is greatly reduced, the template can be moved only by 2 to 3 persons matched with the traction device when each section moves, the operation is very convenient, and the construction efficiency is greatly improved.
Of course, the above examples are only preferred embodiments of the present utility model, and many more variations are possible in practical application, such as simple variations in the structures of the moving rail and the supporting rail; or a change in the manner of connection between the first axle and the second axle; or a change in the number of first axles, first road wheels, second axles, and second road wheels, etc. Such modifications are intended to be included within the spirit and scope of the present utility model as defined in the appended claims.
Claims (6)
1. The movable template comprises a support and a template, wherein the template is arranged on the support, and the movable template is characterized in that:
the movable template further comprises a traveling assembly, the traveling assembly comprises a traveling guide rail and a traveling trolley, the traveling trolley comprises a first wheel shaft, first traveling wheels, second wheel shafts and second traveling wheels, the first traveling wheels are sleeved on the first wheel shafts, the second traveling wheels are sleeved on the second wheel shafts, at least one second wheel shaft is connected between two adjacent first wheel shafts, and the first traveling wheels move along the traveling guide rail in the transverse direction;
a limiting block is arranged at the bottom of the bracket, a limiting groove with a downward opening is arranged on the limiting block, the limiting groove extends along the longitudinal direction, and the second travelling wheel is positioned in the limiting groove;
the limiting block is provided with a limiting part, the limiting part comprises a stop block and a through hole, the stop block is arranged at one end of the limiting groove, the through hole penetrates through the side wall of the limiting groove, a reinforcing steel bar head is inserted into the through hole to limit the second travelling wheel between the stop block and the through hole, and the distance between the stop block and the through hole is smaller than the diameter of the second travelling wheel;
the travelling trolley comprises two first wheel shafts which are arranged in parallel and two second wheel shafts which are arranged in parallel, wherein the second wheel shafts are fixedly arranged at the end parts of the first wheel shafts, two ends of the first wheel shafts are respectively provided with one first travelling wheel, and the middle part of each second wheel shaft is provided with one second travelling wheel;
the end part of the first wheel axle is provided with a clamp, the clamp comprises a base and a clamp block, the clamp block is provided with a clamp groove with an upward opening, the clamp is fixed at the end part of the first wheel axle through the base, and the end part of the second wheel axle is clamped in the clamp groove.
2. The mobile template of claim 1, wherein:
the movable template further comprises support guide rails, the support guide rails are located on two sides of the walking guide rails, and support parts for supporting the support are arranged on the support guide rails.
3. The mobile template of claim 2, wherein:
the support member is a screw jack.
4. A moving platen according to any one of claims 1 to 3, wherein:
the circumference wall of the first travelling wheel is provided with an annular groove, and the travelling guide rail is positioned in the groove.
5. The mobile template of claim 4, wherein:
the walking guide rail is I-steel, and the width of the upper end guide rail part of the walking guide rail is smaller than the width of the lower end supporting part of the walking guide rail.
6. The construction method of the movable template is characterized by comprising the following steps:
the construction method uses the movable formwork of any one of claims 1 to 5 for construction, the construction method comprising the steps of:
after the movable template is installed, pouring a first section of concrete above the template;
after the concrete is molded and solidified, the support is released, the support moves downwards for a certain distance, so that the template is separated from the first section of concrete, meanwhile, the limiting block is contacted with the second travelling wheel, the movable template is firstly moved for a certain distance in the longitudinal direction and then is moved for a certain distance in the transverse direction through the traction device, when the second travelling wheel is abutted against the limiting stop block, a steel bar head is inserted into the through hole, and the second travelling wheel is clamped between the stop block and the steel bar head;
the support is supported again, the support moves upwards for a certain distance, the limiting block is separated from the second travelling wheel, and then a second section of concrete is poured above the template;
repeating the steps until the construction is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346981.3A CN108316156B (en) | 2018-04-18 | 2018-04-18 | Movable formwork and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810346981.3A CN108316156B (en) | 2018-04-18 | 2018-04-18 | Movable formwork and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108316156A CN108316156A (en) | 2018-07-24 |
| CN108316156B true CN108316156B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810346981.3A Active CN108316156B (en) | 2018-04-18 | 2018-04-18 | Movable formwork and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN108316156B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648253B (en) * | 2020-06-18 | 2021-07-06 | 叶姜 | Cast-in-place simply supported beam construction process and construction structure thereof |
| CN113585736B (en) * | 2021-07-26 | 2022-06-10 | 中铁一局集团(广州)建设工程有限公司 | Cast-in-place case roof beam integral sliding type side form with adjustable it is multidirectional |
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| CN106120563A (en) * | 2016-07-14 | 2016-11-16 | 德州市公路工程总公司 | Cast-in-situ box girder Combined movable mould bases and construction method thereof |
| CN107639719A (en) * | 2017-10-30 | 2018-01-30 | 山东省路桥集团有限公司 | Movable prefabricated box girder formwork system and box beam preparation method |
| CN208379441U (en) * | 2018-04-18 | 2019-01-15 | 中铁十九局集团第七工程有限公司 | Moving die plate |
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|---|---|---|---|---|
| KR20120117362A (en) * | 2011-04-15 | 2012-10-24 | 브이에스엘코리아 주식회사 | Form traveler and constructing method for using the same |
| CN102198695A (en) * | 2011-04-19 | 2011-09-28 | 中铁二十四局集团有限公司 | Longitudinal moving method for outside die of box girder outer film |
| CN202480217U (en) * | 2011-12-28 | 2012-10-10 | 中交二公局第五工程有限公司 | Whole mouldboard of combined box girder |
| CN204589820U (en) * | 2015-04-16 | 2015-08-26 | 安徽华骅桥梁设备制造有限公司 | A kind of Xiang Liang external mold travel mechanism |
| CN104859048A (en) * | 2015-06-19 | 2015-08-26 | 中交一公局第五工程有限公司 | Self-propelled integral hydraulic precast box beam formwork device |
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| CN108316156A (en) | 2018-07-24 |
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