CN202528306U - Trough beam template - Google Patents
Trough beam template Download PDFInfo
- Publication number
- CN202528306U CN202528306U CN201120546696XU CN201120546696U CN202528306U CN 202528306 U CN202528306 U CN 202528306U CN 201120546696X U CN201120546696X U CN 201120546696XU CN 201120546696 U CN201120546696 U CN 201120546696U CN 202528306 U CN202528306 U CN 202528306U
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- mold
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- bed die
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Abstract
The utility model discloses a trough beam template. The template comprises a pedestal, a bed die, outer dies, an inner die and end dies, wherein the bed die is arranged on the pedestal, a trough beam body is arranged in the bed die, the outer dies are arranged on two sides of the trough beam body, a transversely moved mechanism is arranged at the bottom of the each of the outer dies, a working platform and a guard bar are arranged at the upper ends of the outer dies, the upper ends of the outer dies are connected with a hanger frame, the hanger frame is connected with the inner die through an inclined spiral support, and the end dies are arranged at two ends of the trough beam body. The template operation is simplified, damages of corners of the beam body caused by die removal are reduced, the strip die maintenance period is prolonged, and the production cost if the template is reduced.
Description
Technical field
The utility model relates to a kind of beam channel template, particularly a kind of precast construction forming tank ellbeam template of post stressed concrete freely-supported beam channel.
Background technology
In recent years; Develop rapidly along with high speed railway construction; China is obtaining remarkable achievement aspect the railroad bridge prefabricating technique, especially aspect the stencil design and making of the whole opening prefabricated bridge of large-tonnage, has formed the fairly perfect technical system of a cover; Wherein all-hydraulic automatic contraction of the internal mold of box girder integral formula steel form system and side form straight skidding technology is used the most extensive in the passenger dedicated railway line simple supported box beam prefabricated construction that builds up and building.Existing box girder integral formula steel form system generally by fixedly bed die, movable end mould, straight skidding formula side form, automatically stretch internal mold and hydraulic control system thereof etc. and form, have the rate of recycling height, all transfer efficients soon, not yielding, advantage such as the dismounting of cutting to is convenient.
But; Enforcement along with China's strategy to develop western regions; The high speed railway construction on ground such as Gansu, Xinjiang was fully under way already; For reducing of the influence of the multiple strong wind weather in this area to railway transportation; Certain newly-built railway second two-wire has adopted in the extremely strong Bai Lifeng district of destructive power that a kind of the beam channel cross section is the U type with combine together novel bridge version---the 15.9m prestressed concrete freely-supported beam channel of design of windproof structure and agent structure, and two coxostermums are perpendicular to base plate (web is 90 ° in the angle of base plate).The beam channel beam-ends is provided with transverse prestressed reinforcing steel bar (expose outside the web outside face and reach 20cm), therefore if adopt traditional straight skidding formula side form certainly will cause demoulding difficulty, and causes that easily beam body chamfering place is damaged.Because beam channel is China's distinctive new beam type under the Northwest's strong wind atmosphere; Construction location air is dry unusually, the temperature difference is big sooner or later; The beam body concrete maintenance difficulty of preserving moisture is big; If adopt a cover external mold to join the straight skidding side form of two pedestal patterns, will inevitably shorten beam body concrete curing in the mold cycle on beam making bench, influence the concrete curing quality.In addition and since this beam channel web height only 2m, girder span be 15.9m, the beam volume is less, required internal mold weight is also lighter, if internal mold still adopts all-in-one-piece all-hydraulic automatic extender system and longitudinal moving device, also can increase unnecessary fund input.This shows,, adopt existing box-beam plate technique, can not satisfy its design and correlation technique requirement because of beam channel has particular structural form and disadvantageous climatic environment.
The utility model content
Its purpose of the utility model just is to provide a kind of beam channel template, have simplify template operation, reduce the beam body corner that form removal causes damaged, prolong the curing in the mold cycle, reduce the characteristics of template construct cost.
The technical scheme that realizes above-mentioned purpose and take comprises pedestal, bed die, external mold, internal mold and end mould, and said pedestal is provided with bed die; Beam channel beam body is set on the bed die, and beam channel beam body both sides are provided with external mold, and the external mold bottom is provided with transverse-moving mechanism; The external mold upper end is provided with workbench and guardrail; Said external mold upper end connects suspension bracket, and suspension bracket connects internal mold through the spiral diagonal brace, and said beam channel beam body two ends are provided with the end mould.
Compared with prior art the utlity model has following advantage.
Facts have proved through construction; Adopt this device not only can simplify the work flow of template greatly, practice thrift great amount of manpower, shorten the pedestal turn around time, improve system beam efficient; Can also reduce damaged, the prolongation concrete curing in the mold phase of the beam body corner that causes because of form removal effectively, thereby effectively guarantee the quality of beam body concrete.In practice of construction, 6 operation workmans can accomplish the template installation exercise of a pedestal in 1.5 hours, can accomplish stripping operation in 1 hour.In addition; In the utility model, external mold adopts rotation and the traversing stripping means that combines, and the end mould is provided with SA piece and the mode of utilizing the auxiliary demoulding of jack; All reduce the breakage of beam body corner effectively, improved the profile presentation quality of beam channel greatly.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further to detail.
Fig. 1 is this apparatus structure general assembly sketch map.
Fig. 2 is this device cast outer mold structure sketch map.
Fig. 3 is this device internal model structure sketch map.
Fig. 4 is this device end mode structure sketch map.
The specific embodiment
This device comprises pedestal 1, bed die 2, external mold 5, internal mold 7 and end mould 14, and as shown in Figure 1, said pedestal 1 is provided with bed die 2; Beam channel beam body 3 is set on the bed die 2, and beam channel beam body 3 both sides are provided with external mold 5, and external mold 5 bottoms are provided with transverse-moving mechanism 4; External mold 5 upper ends are provided with workbench and guardrail 6; Said external mold 5 upper ends connect suspension bracket 8, and suspension bracket 8 connects internal mold 7 through spiral diagonal brace 11, and said beam channel beam body 3 two ends are provided with end mould 14.
Said internal mold 7 tops are provided with jack 12, and internal mold 7 both sides connect spiral stull 9, and internal mold 5 bottoms connect suspension bracket 8 through cucurbit 10, and are as shown in Figure 3.
Said end mould 14 tops are provided with movable block 15, and end mould 14 belows are provided with demoulding footstock 13, and are as shown in Figure 4.
[0016]Embodiment in the present embodiment, joins 1 cover fixedly bed die and 1 cover rotation and traversing convolution external mold through 1 pedestal, and 2 pedestals shared 1 overlap integral hoisting formula internal mold, end mould, have thoroughly solved the problems referred to above.
1, technical scheme
Post stressed concrete freely-supported beam channel Overall Steel Formwork is made up of bed die, external mold, internal mold and end mould four systems, and its structure composition and function are following:
(1) bed die
Bed die is made up of panel, cross rib, vertical rib and angle cleat, and panel adopts steel plate to make, and cross rib and vertical rib adopt I-steel to make, and cross rib and vertical rib are welded on back side of panel, play reinforced panel rigidity and support panel.According to beam channel bottom face profile characteristics, be convenient processing and transportation simultaneously, bed die vertically is divided into 9 processing and fabricating moulding.Consider the stressed needs of stretch-draw, beam-ends variable cross-section place is provided with the long movable block that can become flexible of 90cm downwards.Bed die is connected to become integral body with template piecemeal seam crossing angle cleat with bolt after installing on the beam making bench and adjusting to design attitude, the slit between the piecemeal panel is connected to become seamless integral body through welding, polishing.
(2) external mold
As shown in Figure 2, external mold is made up of panel, cross rib, support, angle cleat, rubber grout stop belt, workbench, guardrail and other accessory structure.According to the inside and outside web profile structure of beam channel different features, external mold is divided into endosternum external mold and outer web external mold two fans, and two fan external molds are except that face plate configuration characteristic difference, and other structure is all identical.The external mold lower edge is connected through bolt with the bed die side, and seam crossing is provided with the rubber grout stop belt.
Because the web outside lower edge at beam channel two ends is equipped with transverse prestressed reinforcing steel bar stretch-draw anchor mouth; The reservation stretch-draw length that deformed bar exposes the web outside face is 20cm; After making the form removal of beam body, can shift out beam making bench, external mold is designed to the individual segments that length is 225cm in the end, is installed in respectively on the transverse-moving mechanism of pedestal both sides; And through 2 its back side supports of 10t screw jack pushing tow, realize itself and the docking and stripping operation of bed die.Be handled easily in addition, the external mold end section also is provided with cat ladder in the outside.
Except that the end need traversing, the external mold middle part vertically is divided into the long sections of 2 600cm, the independent machine-shaping of each sections, be installed to beam making bench after, be connected to become overall structure through bolt.It is the support of 150cm that every joint external mold back side is equipped with 4 road longitudinal pitches, and support is the frame structure that I-steel is formed.Per pass support below is equipped with inside and outside two supporting legs, every joint template except that the interior supporting leg of two end supports adopt hinge ear and built-in fitting on the pedestal base plate carry out hinged, other supporting leg all adopts the spiral support to be fixed on the pedestal base plate.During operation, utilize the spinfunction of supporting leg hinge ear in the support, the spiral of regulating the outer supporting leg of support supports, and can realize the integral body rotation of external mold, thereby reaches the adjustment and the fixing function of external mold design attitude.
(3) internal mold
As shown in Figure 3, internal mold is made up of panel, vertical rib, perpendicular rib, suspension bracket, spiral diagonal brace, spiral stull, 2t chain block and 10t screw jack etc.Panel, vertical rib, perpendicular rib are through being welded to form the Overall Steel Formwork that meets design size and rigidity requirement.Suspension bracket is made up of twice I-steel girder and four road I-steel crossbeams.According to the inside and outside web profile structure of beam channel different features, internal mold is divided into endosternum internal mold and outer web internal mold two fans.Two fan internal molds are hung on hanger beam below respectively, between four road crossbeams of suspension bracket and every fan internal mold, a spiral diagonal brace and a 2t chain block are set, the spiral diagonal brace in order to regulate, the fixed form position, chain block is in order to the traction stripping operation.For guaranteeing the integral rigidity of both sides internal mold, between two fan internal mold medial shaft ribs, 12 spiral stulls are set.4 screw jack are separately positioned on the beam-end at suspension bracket two ends, during operation, utilize straddle truck with the internal mold integral hoisting in place after, again through the horizontal pushing tow suspension bracket of screw jack, i.e. the integral planar position of scalable internal mold.
(4) end mould
As shown in Figure 4, the end mould is made up of panel, cross rib, perpendicular rib, demoulding footstock, rubber grout stop belt etc.The end mould divides four machine-shapings, adopts the bolt assembling to become overall structure.According to the contour structures characteristics of beam channel beam-ends anchor recess, for conveniently stripped, the end mould is designed to movable block at the anchor recess place at endosternum top.Hold the mould below that 4 road demoulding footstocks are set, during stripping operation,, can make end mould uniform plane stressed, thereby reach the effect that reduces breakage of beam-ends corner and fast demoulding through the thrusting action of screw jack is installed between demoulding footstock and pedestal.
2, operation principle
The beam channel template is transported to and can be come into operation after the job site assembling is accomplished by specialized factory's machine-shaping.Bed die is fixedly welded on the beam making bench buttress according to designing requirement; External mold is fixedly mounted on the base plate of beam making bench both sides after being assembled into integral body; Internal mold then leaves special use in the end mould to be deposited on the platform, and utilizes gantry crane lifting can be common to a plurality of pedestals.Template is installed as follows:
(1) cleaning template, the spraying releasing agent.
(2) colligation is good beam body steel reinforcement cage integral body hangs in the template.
(3) unclamping the outer supporting leg spiral of outer mould holder supports; Utilize the straddle truck lifting auxiliary; External mold middle part sections integral body is rotated to design attitude to the web inboard; Install and fix connecting bolt after external mold lower edge and bed die achieve a butt joint, the whole supporting leg spirals of outer mould holder are installed are simultaneously supported, tighten spiral and accomplish the fixing of external mold middle part sections.
(4) 2 10t screw jack are installed on the transverse-moving mechanism of external mold end section, the external mold end sections pushing tow to the inside with placing on the transverse-moving mechanism installs and fixes connecting bolt after external mold lower edge and bed die achieve a butt joint.After end section is docked with bed die and accomplished, the middle part sections of itself and external mold is connected to become integral body with bolt.
(5) utilize straddle truck will hold the mould integral hoisting in place, and will hold mould to be connected with external mold, bed die with bolt.
(6) utilize straddle truck that internal mold is winched on the external mold, and realize Primary Location.Utilize the base of the screw jack pushing tow outer mold top that is installed in internal mold suspension bracket two ends beam-end then, the accurate location of realizing internal mold, construction bolt is fixed on suspension bracket on the external mold.Spiral diagonal brace between rotation adjusting suspension bracket and the internal mold is adjusted to design attitude with internal mold.At last, the spiral stull of intermode in the inside and outside web is installed, the realization internal mold is fixed.
After treating that the beam body concrete reaches the design demoulding strength, can carry out stripping operation, the stripping operation principle is following:
(1) unclamps the spiral diagonal brace and the spiral stull of internal mold, utilize the chain block on the suspension bracket that template is packed up obliquely, remove whole set bolts of suspension bracket, utilize straddle truck that internal mold is moved to and deposit platform.
(2) unclamp end mould and connecting bolt outer, bed die.The movable block of removing the endosternum top is knocked in elder generation's manual work, through the thrusting action of screw jack is installed between demoulding footstock and pedestal, will hold mould to break away from the beam body then, utilizes straddle truck will hold mould to move at last and deposits platform.
(3) unclamp whole connecting bolts of external mold and bed die.
(4) utilize transverse-moving mechanism and screw jack that the external mold end section is laterally ejected to the external side of beam, the external mold end section gets final product when breaking away from web outside 25cm.
(5) the outer supporting leg spiral that unclamps the outer mould holder of middle part sections supports, and utilizes chain block to draw laterally, makes external mold to the external sideway swivel certain angle of beam, when outer mold top breaks away from web outside 8cm, promptly accomplishes stripping operation.
(6) before the beam body carries out stretch-draw on beam making bench, also need remove the bed die movable block at beam-ends variable cross-section place.
Claims (3)
1. a beam channel template comprises pedestal (1), bed die (2), external mold (5), internal mold (7) and end mould (14), it is characterized in that; Said pedestal (1) is provided with bed die (2); Beam channel beam body (3) is set on the bed die (2), and beam channel beam body (3) both sides are provided with external mold (5), and external mold (5) bottom is provided with transverse-moving mechanism (4); External mold (5) upper end is provided with workbench and guardrail (6); Said external mold (5) upper end connects suspension bracket (8), and suspension bracket (8) connects internal mold (7) through spiral diagonal brace (11), and said beam channel beam body (3) two ends are provided with end mould (14).
2. a kind of beam channel template according to claim 1 is characterized in that, said internal mold (7) top is provided with jack (12), and internal mold (7) both sides connect spiral stull (9), and internal mold (5) bottom connects suspension bracket (8) through cucurbit (10).
3. a kind of beam channel template according to claim 1 is characterized in that, said end mould (14) top is provided with movable block (15), and end mould (14) below is provided with demoulding footstock (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120546696XU CN202528306U (en) | 2011-12-23 | 2011-12-23 | Trough beam template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120546696XU CN202528306U (en) | 2011-12-23 | 2011-12-23 | Trough beam template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528306U true CN202528306U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120546696XU Expired - Fee Related CN202528306U (en) | 2011-12-23 | 2011-12-23 | Trough beam template |
Country Status (1)
| Country | Link |
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| CN (1) | CN202528306U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043557A (en) * | 2012-12-29 | 2013-04-17 | 徐州苏煤矿山设备制造有限公司 | Mining hydraulic chain block of monorail crane |
| CN106014455A (en) * | 2016-07-15 | 2016-10-12 | 湖南远东钢模有限公司 | Box type template for ditch cable groove trolley |
| CN109676749A (en) * | 2018-12-21 | 2019-04-26 | 中铁十四局集团房桥有限公司 | The method of tunnel rail flowering structure prefabricated section mold and its prefabricated tunnel rail flowering structure |
| CN113478622A (en) * | 2021-06-01 | 2021-10-08 | 中铁十九局集团广州工程有限公司 | City piping lane integration pouring device |
| CN113815104A (en) * | 2021-09-03 | 2021-12-21 | 中国建筑土木建设有限公司 | Automatic end mold dismounting and mounting device for beam yard and using method thereof |
-
2011
- 2011-12-23 CN CN201120546696XU patent/CN202528306U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103043557A (en) * | 2012-12-29 | 2013-04-17 | 徐州苏煤矿山设备制造有限公司 | Mining hydraulic chain block of monorail crane |
| CN103043557B (en) * | 2012-12-29 | 2015-03-25 | 徐州苏煤矿山设备制造有限公司 | Mining hydraulic chain block of monorail crane |
| CN106014455A (en) * | 2016-07-15 | 2016-10-12 | 湖南远东钢模有限公司 | Box type template for ditch cable groove trolley |
| CN106014455B (en) * | 2016-07-15 | 2018-07-10 | 湖南远东钢模有限公司 | A kind of ditch cable trench trolley box template |
| CN109676749A (en) * | 2018-12-21 | 2019-04-26 | 中铁十四局集团房桥有限公司 | The method of tunnel rail flowering structure prefabricated section mold and its prefabricated tunnel rail flowering structure |
| CN109676749B (en) * | 2018-12-21 | 2023-12-01 | 中铁十四局集团房桥有限公司 | Prefabricated block mold for tunnel rail lower structure and method for prefabricating tunnel rail lower structure by using prefabricated block mold |
| CN113478622A (en) * | 2021-06-01 | 2021-10-08 | 中铁十九局集团广州工程有限公司 | City piping lane integration pouring device |
| CN113815104A (en) * | 2021-09-03 | 2021-12-21 | 中国建筑土木建设有限公司 | Automatic end mold dismounting and mounting device for beam yard and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20161223 |