CN203904844U - Precast box beam roller type internal mold releasing device - Google Patents
Precast box beam roller type internal mold releasing device Download PDFInfo
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- CN203904844U CN203904844U CN201420315364.4U CN201420315364U CN203904844U CN 203904844 U CN203904844 U CN 203904844U CN 201420315364 U CN201420315364 U CN 201420315364U CN 203904844 U CN203904844 U CN 203904844U
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- steel
- steel plate
- box beam
- internal mold
- steel pipe
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 135
- 239000010959 steel Substances 0.000 claims abstract description 135
- 238000003466 welding Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000009415 formwork Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model provides a precast box beam roller type internal mold releasing device, and belongs to the technical field of precast box beam internal mold releasing. The precast box beam roller type internal mold releasing device aims at solving the problems that according to an existing manual mold releasing process, the internal size of a box beam is prone to being affected, integrity of the surface of concrete inside the box beam cannot be guaranteed, and reutilization of an internal mold of the box beam is affected. The precast box beam roller type internal mold releasing device comprises a top mold and a plurality of steel pipe sets, wherein the steel pipe sets are welded to the two sides in the longitudinal direction of a bottom mold. Each steel pipe set comprises two horizontal and coaxial steel pipes, wherein the two steel pipes are spaced, and plain round bars are inserted into the two steel pipes. Steel plates are welded to the middle portions of the plain round bars, supporting steel plates are connected between the steel plates close to the top mold side and the steel plates close to the bottom mold side in the same vertical direction through high-strength bolts, the supporting steel plates on the same side in the longitudinal direction are connected through steel channels welded to the middle, and force applying rings are welded to the two ends of each steel channel. Chain blocks are used for dragging the force applying rings to drive the steel channels and a supporting steel plate system to horizontally move, so that the top mold and the bottom mold are separated from the concrete.
Description
Technical field
The utility model belongs to the technical field of the prefabricated box girder inner formwork demoulding, is specifically related to a kind of prefabricated case beam roller type internal mold stripper apparatus.
Background technology
Along with the fast development of speedway, first simply rear continuous box girder increases gradually.Original box girder inner formwork demoulding adopts jack cooperation manually to carry out releasing process, this construction method has many-sided shortcoming, first internal mold distortion affects greatly case beam inside dimension, secondly well the inner concrete surface integrality of guard box beam easily produces arrisdefect, finally affects the recycling of box girder inner formwork.
Summary of the invention
The utility model be intended to for former artificial releasing process easily affect case beam inside dimension, can not guard box beam inner concrete surface integrality and affect the problem such as recycling of box girder inner formwork, and then a kind of prefabricated case beam roller type internal mold stripper apparatus is proposed.
The utility model is achieved through the following technical solutions:
A kind of prefabricated case beam roller type internal mold stripper apparatus, comprises some steel pipe that suitable the bridge of backform, bed die welds respectively to both sides, upper and lower corresponding setting of the steel pipe of homonymy on vertical direction, the corresponding setting in the steel pipe of homonymy left and right in horizontal direction;
Described steel pipe comprises two levels, coaxial and leave spaced steel pipe, in two steel pipes, be inserted with plain bar, the internal diameter of steel pipe is greater than the external diameter of plain bar, plain bar middle part is welded with steel plate, steel plate and backform, bed die are vertical, on same vertical direction, near being connected with supporting steel plate by high-strength bolt between the steel plate of backform side, the close steel plate of bed die side, the channel-section steel welding by middle part to each supporting steel plate of the same side along bridge connects, and the two ends of channel-section steel are welded with application of force ring.
Described is 45cm along bridge to the spacing of the supporting steel plate of both sides, is 60cm along bridge to the spacing of adjacent two supporting steel plates of homonymy.
Described supporting steel plate is made up of backform supporting steel plate, bed die supporting steel plate overlap joint, and lap-joint is connected and fixed by high-strength bolt, and channel-section steel is welded in lap-joint.
The concrete steps of the making constructing operation method of above-mentioned prefabricated case beam roller type internal mold stripper apparatus are:
The first step: weld respectively some backform steel pipe to both sides along bridge at backform, two steel pipes of each weld welding, the spacing between two steel pipes is 10cm and coaxially arranges; Also weld respectively some bed die steel pipe to both sides along bridge at bed die;
Second step: penetrate plain bar between the adjacent steel pipe of each weld, and at each plain bar middle part welding steel, steel plate and backform, bed die are vertical, and open circular hole on steel plate;
The 3rd step: the steel plate of the close backform end on same vertical direction, the steel plate of close bed die end are connected with backform supporting steel plate, bed die supporting steel plate by high-strength bolt respectively, the backform supporting steel plate of joint, bed die supporting steel plate utilize high-strength bolt overlap joint fixing;
The 4th step: utilizing high-strength bolt to connect elongated channel-section steel to each backform supporting steel plate of the same side, the lap-joint top of bed die supporting steel plate along bridge;
The 5th step: weld respectively a U-shaped reinforcing bar at the two ends of channel-section steel and form application of force ring, welding adopts two-sided welding;
The 6th step: when the demoulding of case beam, utilize jack to drag U-shaped reinforcing bar, drive channel-section steel and supporting steel plate system to produce horizontal movement by dropping U-shaped reinforcing bar, the inner concrete surface of backform top board and case beam is separated, then by continuing External Force Acting increase dismoulding system horizontal displacement, backform is thoroughly separated with bed die by roller bearing with concrete.
The utlity model has following beneficial effect:
1, the stability while utilizing stripper apparatus to strengthen internal mold top plate in concreting and vibrated;
2, be the overall demoulding when demoulding, by part dismounting, improved the efficiency of construction of interior moulding/demoulding without manually;
3, the inner concrete damage of case beam that the improper operation while having reduced due to interior moulding/demoulding causes, is convenient to internal mold and recycles, and has greatly improved the service efficiency of case beam;
4, stripper apparatus utilizes small members to be bolted and forms overall stressed system, operate safer, easy reliably, economic benefit is better.
Brief description of the drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is that side of the present utility model is cutd open schematic diagram;
In figure: 1-backform, 2-plain bar, 3-backform steel pipe, 4-steel plate, 5-high-strength bolt, 6-backform supporting steel plate, 7-channel-section steel, 8-U steel bar, 9-bed die supporting steel plate, 10-bed die steel pipe, 11-bed die.
Detailed description of the invention
By reference to the accompanying drawings, detailed description of the invention of the present utility model is described further:
As shown in Figure 1, 2, a kind of prefabricated case beam roller type internal mold stripper apparatus, comprise some steel pipe that the suitable bridge of backform 1, bed die 11 welds respectively to both sides, upper and lower corresponding setting of the steel pipe of homonymy on vertical direction, in horizontal direction, the steel pipe of homonymy left and right is corresponding arranges;
Described steel pipe comprises two levels, coaxial and leave spaced steel pipe, in two steel pipes, be inserted with plain bar 2, the internal diameter of steel pipe is greater than the external diameter of plain bar 2, plain bar 2 middle parts are welded with steel plate 4, steel plate 4 and backform 1, bed die 11 are vertical, on same vertical direction, between the steel plate 4 of close backform 1 side, the close steel plate 4 of bed die 11 sides, be connected with supporting steel plate by high-strength bolt 5, the channel-section steel 7 welding by middle part to each supporting steel plate of the same side along bridge connects, and the two ends of channel-section steel 7 are welded with application of force ring.Shown in Fig. 2, the direction of arrow represents along the bridge.
The making of stripper apparatus and execute-in-place method are:
The first step: weld respectively some backform steel pipe 3 to both sides along bridge at backform 1, two steel pipes of each weld welding, the spacing between two steel pipes is 10cm and coaxially arranges; Also weld respectively some bed die steel pipe 10 to both sides along bridge at bed die 11.Backform steel pipe 3 and bed die steel pipe 10 all adopt the steel pipe of external diameter Φ 30, internal diameter Φ 25, and the length of steel pipe is 5cm, adopt two-sided welding when welding.
Second step: the plain bar 2 that penetrates Φ 20 between the adjacent steel pipe of each weld, the length of plain bar 2 is 20cm, and at the steel plate 4 of each plain bar 2 middle parts welding 8 × 10cm, steel plate 4 and backform 1, bed die 11 are vertical, and on steel plate 4, open Φ 25 circular holes so that steel plate 4 is connected with supporting steel plate.
The 3rd step: the steel plate 4 of close backform 1 end on same vertical direction, the steel plate 4 of close bed die 11 ends are connected with backform supporting steel plate 6, bed die supporting steel plate 9 by high-strength bolt 5 respectively, the backform supporting steel plate 6 of joint, bed die supporting steel plate 9 utilize high-strength bolt 5 overlap joints fixing.Backform supporting steel plate 6 is of a size of 8 × 70cm, and bed die supporting steel plate 9 is of a size of 8 × 60cm, and the lap length of the two is 20cm.
The 4th step: utilizing high-strength bolt 5 to connect the elongated [channel-section steel 7 of 80mm to each backform supporting steel plate 6 of the same side, the lap-joint top of bed die supporting steel plate 9 along bridge.Channel-section steel 7 can be strengthened structural integrity and the stability that steel plate supports, and makes [main bearing member when 80mm channel-section steel is the demoulding.
The 5th step: the U-shaped reinforcing bar 8 that welds respectively a Φ 20 at the two ends of channel-section steel 7 forms application of force ring, welding adopts two-sided welding, fusion length 10cm.
For steel plate is not distorted and flexural deformation under external force impact when vertical, described is that 45cm(is left and right supporting steel plate spacing shown in Fig. 1 along bridge to the laying spacing of the adjacent supports steel plate of both sides), be that 60cm(is the adjacent supports of the direction of arrow shown in Fig. 2 steel plate spacing along suitable bridge to the spacing of adjacent two supporting steel plates of homonymy).
It is assembled that device for removing scum utilizes each small members preformed hole by Φ 22 high-strength bolts, member to be carried out while installation, reaches common stressed effect.
When the demoulding of case beam, utilize jack to drag U-shaped reinforcing bar 8, drive channel-section steel 7 and supporting steel plate system to produce horizontal movement by dropping U-shaped reinforcing bar 8, the inner concrete surface of backform 1 top board and case beam is separated, by continuing External Force Acting increase dismoulding system horizontal displacement, backform 1 is thoroughly separated with concrete by roller bearing with bed die 11 again, thereby reach releasing process.
Claims (3)
1. a prefabricated case beam roller type internal mold stripper apparatus, it is characterized in that: comprise some steel pipe that the suitable bridge of backform (1), bed die (11) welds respectively to both sides, upper and lower corresponding setting of the steel pipe of homonymy on vertical direction, in horizontal direction, the steel pipe of homonymy left and right is corresponding arranges;
Described steel pipe comprises two levels, coaxial and leave spaced steel pipe, in two steel pipes, be inserted with plain bar (2), the internal diameter of steel pipe is greater than the external diameter of plain bar (2), plain bar (2) middle part is welded with steel plate (4), steel plate (4) and backform (1), bed die (11) is vertical, the steel plate (4) of close backform (1) side on same vertical direction, be connected with supporting steel plate near between the steel plate (4) of bed die (11) side by high-strength bolt (5), the channel-section steel (7) welding by middle part to each supporting steel plate of the same side along bridge connects, the two ends of channel-section steel (7) are welded with application of force ring.
2. prefabricated case beam roller type internal mold stripper apparatus according to claim 1, is characterized in that: described is 45cm along bridge to the spacing of the supporting steel plate of both sides, is 60cm along bridge to the spacing of adjacent two supporting steel plates of homonymy.
3. prefabricated case beam roller type internal mold stripper apparatus according to claim 1 and 2, it is characterized in that: described supporting steel plate is made up of backform supporting steel plate (6), bed die supporting steel plate (9) overlap joint, lap-joint is connected and fixed by high-strength bolt (5), and channel-section steel (7) is welded in lap-joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420315364.4U CN203904844U (en) | 2014-06-14 | 2014-06-14 | Precast box beam roller type internal mold releasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420315364.4U CN203904844U (en) | 2014-06-14 | 2014-06-14 | Precast box beam roller type internal mold releasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904844U true CN203904844U (en) | 2014-10-29 |
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ID=51779134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420315364.4U Expired - Fee Related CN203904844U (en) | 2014-06-14 | 2014-06-14 | Precast box beam roller type internal mold releasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203904844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099870A (en) * | 2014-06-14 | 2014-10-15 | 中铁三局集团有限公司 | Roller type prefabricated box girder internal mold demoulding device as well as manufacturing, construction and operation method thereof |
| CN109235500A (en) * | 2018-11-12 | 2019-01-18 | 武汉钟鑫市政建设工程有限公司 | A kind of inspection shaft reinforcing concrete placings combined steel |
-
2014
- 2014-06-14 CN CN201420315364.4U patent/CN203904844U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099870A (en) * | 2014-06-14 | 2014-10-15 | 中铁三局集团有限公司 | Roller type prefabricated box girder internal mold demoulding device as well as manufacturing, construction and operation method thereof |
| CN104099870B (en) * | 2014-06-14 | 2017-01-18 | 中铁三局集团有限公司 | Roller type prefabricated box girder internal mold demoulding device as well as manufacturing, construction and operation method thereof |
| CN109235500A (en) * | 2018-11-12 | 2019-01-18 | 武汉钟鑫市政建设工程有限公司 | A kind of inspection shaft reinforcing concrete placings combined steel |
| CN109235500B (en) * | 2018-11-12 | 2023-11-21 | 武汉钟鑫建设集团有限公司 | Inspection shaft consolidates concrete placement combination steel mould |
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| 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 |
Granted publication date: 20141029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |