CN114214949A - Hang basket inner chamber template system suitable for variable cross-section bridge - Google Patents
Hang basket inner chamber template system suitable for variable cross-section bridge Download PDFInfo
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- CN114214949A CN114214949A CN202111569925.4A CN202111569925A CN114214949A CN 114214949 A CN114214949 A CN 114214949A CN 202111569925 A CN202111569925 A CN 202111569925A CN 114214949 A CN114214949 A CN 114214949A
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- template
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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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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A hang basket inner chamber template system suitable for variable cross-section bridge includes: the top template is positioned at the top, and the two first side templates, the two second side templates and the two third side templates are respectively positioned at two sides from top to bottom; the top template is connected with the side templates through a rotary connecting mechanism. Each template is provided with a set of jack demoulding device. The combined type formwork is adopted, and only a certain part of the formwork is required to be replaced when the cross section is changed, so that the integral replacement is not required. The template system is provided with a set of jack demoulding device, and demoulding can be carried out by using the jacks according to the sequence from bottom to top, so that the template system is very convenient and fast. Moreover, the apparent quality of the concrete can be improved by adopting a jack to remove the membrane. The required manpower is less, the construction speed is high, the concrete surface quality is good, and the construction is safe.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of bridge engineering, and particularly relates to a hanging basket inner cavity template system suitable for a variable-section bridge.
[ background of the invention ]
At present, for a hanging basket inner cavity template of a variable cross-section bridge, a wood template or a steel template is basically used on a construction site.
The time of using the plank sheathing construction is longer, and required installer is more, must set up full hall support in hanging the basket inner chamber moreover, and danger is great, and when the form is torn open, because the material of plank sheathing is comparatively scattered, hang the basket and belong to high altitude construction, easily cause the danger of high altitude junk.
When using steel form construction, the steel form that uses all is integral basically, when meetting variable cross section bridge, hangs basket centre form and needs whole change, easily causes the waste of material, and the required time of whole change and installation manual work are more moreover, and construction danger is great, and when the steel form was demolishd, it was comparatively difficult.
[ summary of the invention ]
The invention aims to solve the technical problem of providing a hanging basket inner cavity template system of a variable cross-section bridge, which has low cost and good construction quality.
The invention is realized by the following steps:
a hang basket inner chamber template system suitable for variable cross-section bridge includes: the top template is positioned at the top, and the two first side templates, the two second side templates and the two third side templates are respectively positioned at two sides from top to bottom;
the top template No. one the side bolster board No. two the side bolster board with No. three the side bolster board all includes: the steel plate, the steel trusses and the connecting rods are arranged on the steel plate; the steel trusses are welded on the steel plate in parallel at uniform intervals; the connecting rods and the steel trusses are vertically and evenly welded to the steel trusses in parallel at intervals;
the top template is also provided with a plurality of template supporting rods vertical to the steel plate, and the bottoms of the template supporting rods are erected on a travelling mechanism; the travelling mechanism is arranged on the track beam;
the two sides of the top template are respectively and rotatably connected with the top of one side template through a plurality of rotary connecting mechanisms;
the bottom of each first side template is rotatably connected with the top of one second side template through a plurality of rotary connecting mechanisms;
the bottom of each second side plate is rotatably connected with the top of one third side plate through a plurality of rotary connecting mechanisms;
the longitudinal section of the third side template is a variable section, so that the third side template is matched with a bridge with the variable section.
Further, the rotary connection mechanism includes: the connector comprises a first connecting piece, a second connecting piece and a cylindrical bolt;
a plurality of circular pore plates which are designed at intervals are arranged at one end parts of the first connecting piece and the second connecting piece, and the circular pore plates at the end part of the first connecting piece are inserted into gaps of the circular pore plates at the end part of the second connecting piece to form a cylindrical cavity;
the cylindrical plug pin is inserted into the cylindrical cavity, so that the first connecting piece and the second connecting piece are connected in a rotating mode;
and the other ends of the first connecting piece and the second connecting piece are welded at the ends of the steel trusses of the two templates needing to be connected.
Further, still include: a lifting device of an integral template,
whole template jacking device includes: four formwork jacking devices;
each template jacking device includes: the rail beam attaching block, the jacking jack and the clamping groove; the top of the jacking jack is connected with the clamping groove, and the bottom of the jacking jack is connected with the rail beam fitting block; the clamping groove is clamped with the steel truss of the top template; the rail beam attaching block is clamped with the rail beam.
Furthermore, jack demoulding devices are arranged in the top template, the first side template, the second side template and the third side template;
the jack takes off device includes: two counter-force cross bars, two force transmission cross bars and a demoulding jack; one end of the demoulding jack is connected with the two counter-force cross rods, and the other end of the demoulding jack is connected with the two force transmission cross rods; the two counter-force cross rods are welded on the steel truss of the top formwork or the side formwork, the two force-transferring cross rods are welded on the formwork connecting pieces, circular steel plates are welded at the other ends of the formwork connecting pieces, and the circular steel plates penetrate through holes in the steel plates of the top formwork or the side formwork.
Further, the running gear includes: two steel wheels, a bearing and a socket pipe;
the two steel wheels are connected through the bearing in an assembling mode, the socket pipe is welded above the bearing, and the two steel wheels are matched with the track beam; the socket pipe is provided with two bolt holes which are used for fixedly connecting the socket pipe and a formwork supporting rod of the top formwork;
furthermore, a third bolt hole is formed in the position, above the socket pipe, of the formwork support rod, and a bolt is inserted into the third bolt hole during demolding so as to prevent overlarge impact force during demolding.
Furthermore, a first rod groove is formed in each of the two first side plate moulds, and a first side mould pair supporting rod is erected on each of the two first rod grooves;
a second rod groove is formed in each of the two second side plate moulds, and a second side mould pair supporting rod is erected on each of the two second rod grooves;
and third rod grooves are formed in the two third side plate moulds, and a third side mould pair supporting rod is erected on the two third rod grooves.
The invention has the advantages that: 1. the combined type formwork is adopted, and only a certain part of the formwork is required to be replaced when the cross section is changed, so that the integral replacement is not required. 2. The template system is provided with a set of jack demoulding device, and demoulding can be carried out by using the jacks according to the sequence from bottom to top, so that the template system is very convenient and fast. Moreover, the apparent quality of the concrete can be improved by adopting a jack to remove the membrane. 3. A set of walking system is arranged in the template system, and the template system can move forwards only by manual pushing, so that the template system is convenient and fast. 4. When the template system is installed, the template is integrally lowered when the template is removed, and only two jacks are placed on the walking steel rail to jack the walking steel rail to a proper position. 5. In order to increase the integral rigidity of the formwork, side die pair supporting rods are arranged. 6. The required manpower is less, the construction speed is high, the concrete surface quality is good, and the construction is safe.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a front view of the top die plate (with the jack-stripping device installed) in the present invention.
Fig. 3 is a bottom view of the top die plate (with the jack-stripping device installed) in the present invention.
Fig. 4 is a front view of the first sideform (or the second sideform) in the present invention.
Fig. 5 is a left side view of a sideform number one (or sideform number two) in the present invention.
Fig. 6 is a front view of a No. three sideform in the present invention.
Fig. 7 is a left side view of a No. three sideform in the present invention.
Fig. 8 is an exploded front view of the rotary joint mechanism of the present invention.
Fig. 9 is a front view of the swivel joint mechanism of the present invention after assembly.
Fig. 10 is an exploded plan view of the rotary joint mechanism of the present invention.
Fig. 11 is an assembled top view of the swivel connection of the present invention.
Fig. 12 is a schematic structural view of the jack-stripping device in the present invention.
Fig. 13 is a schematic view of the construction of the formwork lifting device in the present invention.
Fig. 14 is a schematic structural view of the traveling mechanism in the present invention.
[ detailed description ] embodiments
Referring to fig. 1 to 14, a basket inner cavity formwork system suitable for a variable cross-section bridge includes: a top template 400 positioned at the top, two first side templates 100, two second side templates 200 and two third side templates 300 which are respectively positioned at two sides from top to bottom.
The top form 400 further has a plurality of form support rods 3 perpendicular to the steel plate 1, and the bottom of the form support rods 3 is erected on a traveling mechanism 40; the running gear 40 is provided on the track beam 500.
As shown in fig. 14, the traveling mechanism 40 includes: two steel wheels 41, a bearing 42, a socket pipe 43; the two steel wheels 41 are connected in an assembling mode through the bearing 42, the socket pipe 43 is welded above the bearing 42, and the two steel wheels 41 are matched with the track beam 500; two bolt holes 431 are provided on the socket pipe 43, and the two bolt holes 431 are used to fixedly connect the socket pipe 43 and the formwork support bar 3 of the top formwork 400. The part of the formwork support rod 3 above the socket pipe 43 is also provided with a third bolt hole 31, and a bolt is inserted into the third bolt hole 31 during demoulding to prevent overlarge impact force during demoulding.
Two sides of the top template 400 are respectively and rotatably connected with the top of one side template 100 through a plurality of rotary connecting mechanisms 70;
the bottom of each side template 100 is rotatably connected with the top of one side template 200 through a plurality of rotary connecting mechanisms 70;
the bottom of each second side plate 200 is rotatably connected with the top of one third side plate 300 through a plurality of rotary connecting mechanisms 70;
the longitudinal section of the third side template 300 is a variable section, so that the third side template is matched with a bridge with the variable section.
As shown in fig. 8 to 11, the rotary joint mechanism 70 includes: a first connector 71, a second connector 72, a cylindrical plug 73; one end parts of the first connecting piece 71 and the second connecting piece 72 are respectively provided with a plurality of round hole plates 711 and 721 which are designed at intervals, and the round hole plates 711 at the end part of the first connecting piece 71 are inserted into gaps of the round hole plates 721 at the end part of the second connecting piece 72 to form a cylindrical cavity; the cylindrical plug 73 is inserted into the cylindrical cavity, so that the first connector 71 and the second connector 72 are rotatably connected; the other ends of the first connecting member 71 and the second connecting member 72 are welded to the ends of the steel trusses 1 of the two formwork to be connected.
Further comprising: a lifting device of an integral template,
whole template jacking device includes: four formwork jacking devices 80;
each of the formwork raising devices 80, as shown in fig. 13, includes: a rail beam fitting block 81, a jacking jack 82 and a clamping groove 83; the top of the jacking jack 82 is connected with the clamping groove 83, and the bottom of the jacking jack 82 is connected with the rail beam attaching block 81; the clamping groove 83 is clamped with the steel truss of the top template 400; the rail beam attaching block 81 is clamped with the rail beam 500.
The top template 400, the first side template 100, the second side template 200 and the third side template 300 are all provided with a jack demoulding device 60.
The jack-stripping device 60, as shown in fig. 12, includes: two counter-force cross bars 61, two force transmission cross bars 62 and a demoulding jack 63; one end of the demoulding jack 63 is connected with the two counter-force cross rods 61, and the other end is connected with the two force transmission cross rods 62; two counter-force horizontal poles 61 weld on the steel truss 1 of cope match-plate pattern or side form board, two biography power horizontal poles 62 weld on a plurality of template connecting piece 64, circular steel sheet 65 has all been welded to a plurality of template connecting piece 64's the other end, circular steel sheet 65 passes hole on the steel sheet 1 of cope match-plate pattern or side form board.
A first rod groove 91 is formed in each of the two first side plate molds 100, and a first side mold symmetric rod 911 is erected on each of the two first rod grooves 91;
a second rod groove 92 is formed in each of the two second side plate molds 200, and a second side mold symmetric rod 921 is erected on each of the two second rod grooves 92;
a third rod groove 93 is formed in each of the two third side plate molds 300, and a third side mold symmetrical rod 931 is erected on each of the two third rod grooves 93.
The working process is as follows: firstly, one end of a track beam 500 is fixed on a No. 0 block, the other end of the track beam is fixed on a hanging basket through a rod piece, then the top template 400 and the first side template 100 are assembled on the ground through a rotary connecting mechanism 70, then the first side template 100 is spliced with the second side template 200, and then the first side template is spliced with the third side template 300. And then the travelling mechanism 40 is arranged on the top template 400, the template system is arranged in place through a crane or a tower crane, the side templates are arranged to support the support rods 91, 92 and 93, and the side templates are fixed with the side external templates of the cradle through the split bolts. When the formwork is disassembled, firstly, the side formwork pair supporting rods 91, 92 and 93 are disassembled, then the split bolts are disassembled, the jack of the side formwork 300 III is opened, after the side formwork 300 III is demolded, the jack of the side formwork 200 II is opened, after the side formwork 200 II is demolded, the jack of the side formwork 100I is opened, after the side formwork 100I is demolded, before the jack of the top formwork 400 is opened, a bolt is inserted into the bolt hole 31 at the uppermost part of the formwork supporting rod 3 of the top formwork 400, the bolts of the two bolt holes 431 at the lower part of the formwork supporting rod are pulled out, the jack of the top formwork 400 is opened, after demolding, the bolt of the bolt hole 31 can be stopped at the top of the socket pipe 43, the jack on the formwork is reset, after the hanging basket extends forwards and the bottom is bound with the reinforcing steel bars of the side wall, after the track beam 500 is laid forwards, the side formwork 300 III is replaced, after the splicing is completed, the formwork system is moved forwards, after the formwork is pushed to the designed height, the integral formwork jacking system is used for jacking the formwork to the designed height, inserting pins into the two pin holes 431 of the socket pipe 43, installing side dies to support rods 91, 92 and 93, and fixing the side dies with the side outer dies of the cradle through split bolts.
The combined type formwork is adopted, and only a certain part of the formwork is required to be replaced when the cross section is changed, so that the integral replacement is not required. The template system is provided with a set of jack demoulding device, and demoulding can be carried out by using the jacks according to the sequence from bottom to top, so that the template system is very convenient and fast. Moreover, the apparent quality of the concrete can be improved by adopting a jack to remove the membrane. A set of travelling mechanism is arranged in the template system, and the template system can move forwards only by manual pushing, so that the template system is convenient and fast. When the template system is installed, the template is integrally lowered when the template is removed, and only two jacks are placed on the walking steel rail to jack the walking steel rail to a proper position. In order to increase the integral rigidity of the formwork, side die pair supporting rods are arranged. The required manpower is less, the construction speed is high, the concrete surface quality is good, and the construction is safe.
The above description is only an example of the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a hang basket inner chamber template system suitable for variable cross section bridge which characterized in that: the method comprises the following steps: the top template is positioned at the top, and the two first side templates, the two second side templates and the two third side templates are respectively positioned at two sides from top to bottom;
the top template No. one the side bolster board No. two the side bolster board with No. three the side bolster board all includes: the steel plate, the steel trusses and the connecting rods are arranged on the steel plate; the steel trusses are welded on the steel plate in parallel at uniform intervals; the connecting rods and the steel trusses are vertically and evenly welded to the steel trusses in parallel at intervals;
the top template is also provided with a plurality of template supporting rods vertical to the steel plate, and the bottoms of the template supporting rods are erected on a travelling mechanism; the travelling mechanism is arranged on the track beam;
the two sides of the top template are respectively and rotatably connected with the top of one side template through a plurality of rotary connecting mechanisms;
the bottom of each first side template is rotatably connected with the top of one second side template through a plurality of rotary connecting mechanisms;
the bottom of each second side plate is rotatably connected with the top of one third side plate through a plurality of rotary connecting mechanisms;
the longitudinal section of the third side template is a variable section, so that the third side template is matched with a bridge with the variable section.
2. The hanging basket inner cavity template system suitable for the variable cross-section bridge of claim 1, wherein: the rotary connection mechanism includes: the connector comprises a first connecting piece, a second connecting piece and a cylindrical bolt;
a plurality of circular pore plates which are designed at intervals are arranged at one end parts of the first connecting piece and the second connecting piece, and the circular pore plates at the end part of the first connecting piece are inserted into gaps of the circular pore plates at the end part of the second connecting piece to form a cylindrical cavity;
the cylindrical plug pin is inserted into the cylindrical cavity, so that the first connecting piece and the second connecting piece are connected in a rotating mode;
and the other ends of the first connecting piece and the second connecting piece are welded at the ends of the steel trusses of the two templates needing to be connected.
3. The hanging basket inner cavity template system suitable for the variable cross-section bridge of claim 1, wherein: further comprising: a lifting device of an integral template,
whole template jacking device includes: four formwork jacking devices;
each template jacking device includes: the rail beam attaching block, the jacking jack and the clamping groove; the top of the jacking jack is connected with the clamping groove, and the bottom of the jacking jack is connected with the rail beam fitting block; the clamping groove is clamped with the steel truss of the top template; the rail beam attaching block is clamped with the rail beam.
4. The hanging basket inner cavity template system suitable for the variable cross-section bridge of claim 3, wherein: the top template, the first side template, the second side template and the third side template are all provided with a jack demoulding device;
the jack takes off device includes: two counter-force cross bars, two force transmission cross bars and a demoulding jack; one end of the demoulding jack is connected with the two counter-force cross rods, and the other end of the demoulding jack is connected with the two force transmission cross rods; the two counter-force cross rods are welded on the steel truss of the top formwork or the side formwork, the two force-transferring cross rods are welded on the formwork connecting pieces, circular steel plates are welded at the other ends of the formwork connecting pieces, and the circular steel plates penetrate through holes in the steel plates of the top formwork or the side formwork.
5. The hanging basket inner cavity formwork system suitable for the variable cross-section bridge according to claim 4, wherein: the running gear includes: two steel wheels, a bearing and a socket pipe;
the two steel wheels are connected through the bearing in an assembling mode, the socket pipe is welded above the bearing, and the two steel wheels are matched with the track beam; the socket pipe is provided with two bolt holes, and the two bolt holes are used for fixedly connecting the socket pipe and the formwork supporting rod of the top formwork.
6. The hanging basket inner cavity formwork system suitable for the variable cross-section bridge according to claim 5, wherein: the template support rod is also provided with a third bolt hole above the socket pipe, and a bolt is inserted into the third bolt hole during demoulding so as to prevent overlarge impact force during demoulding.
7. The hanging basket inner cavity formwork system suitable for the variable cross-section bridge as claimed in claim 1, wherein:
the two first side plate moulds are respectively provided with a first rod groove, and a first side mould pair supporting rod is erected on the two first rod grooves;
a second rod groove is formed in each of the two second side plate moulds, and a second side mould pair supporting rod is erected on each of the two second rod grooves;
and third rod grooves are formed in the two third side plate moulds, and a third side mould pair supporting rod is erected on the two third rod grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569925.4A CN114214949A (en) | 2021-12-21 | 2021-12-21 | Hang basket inner chamber template system suitable for variable cross-section bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111569925.4A CN114214949A (en) | 2021-12-21 | 2021-12-21 | Hang basket inner chamber template system suitable for variable cross-section bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114214949A true CN114214949A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111569925.4A Pending CN114214949A (en) | 2021-12-21 | 2021-12-21 | Hang basket inner chamber template system suitable for variable cross-section bridge |
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| CN (1) | CN114214949A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941426A (en) * | 2022-04-08 | 2022-08-26 | 福建建工基础设施建设集团有限公司 | Construction method of single-side wall formwork trolley with mechanical demolding device |
-
2021
- 2021-12-21 CN CN202111569925.4A patent/CN114214949A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941426A (en) * | 2022-04-08 | 2022-08-26 | 福建建工基础设施建设集团有限公司 | Construction method of single-side wall formwork trolley with mechanical demolding device |
| CN114941426B (en) * | 2022-04-08 | 2023-11-10 | 福建建工基础设施建设集团有限公司 | Single-side wall template trolley construction method with mechanical demoulding device |
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