CN212170795U - Prefabricated box girder end mould that can fix a position fast and demolish - Google Patents
Prefabricated box girder end mould that can fix a position fast and demolish Download PDFInfo
- Publication number
- CN212170795U CN212170795U CN202020707162.XU CN202020707162U CN212170795U CN 212170795 U CN212170795 U CN 212170795U CN 202020707162 U CN202020707162 U CN 202020707162U CN 212170795 U CN212170795 U CN 212170795U
- Authority
- CN
- China
- Prior art keywords
- plate
- positioning device
- die
- positioning
- traction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model provides a can fix a position fast and prefabricated case beam-ends mould of demolising, characterized by: welding two ends of the top plate on the inner sides of the upper ends of the left web plate and the right web plate respectively; the outer sides of the upper ends of the left web plate and the right web plate are respectively welded with a left flange plate and a right flange plate, and the left flange plate and the right flange plate are respectively flush with the upper top plate; welding bottom plates at the lower end heads of the left web plate and the right web plate to form an integral end die; a comb plate is welded at the upper end of the bottom die; respectively installing the left side die, the right side die and the bottom die on a prefabricated beam pedestal, binding beam body steel bars and installing a prestressed pipeline; respectively welding the front ends of the traction screws of the first positioning device, the second positioning device, the third positioning device and the fourth positioning device with the same structure to the upper parts of the left web plate and the right web plate of the end mould and the left side and the right side of the bottom plate; and placing the integral end die between the left side die and the right side die, aligning the bottom of the integral end die with a comb plate on the bottom die, screwing a positioning nut to control the end die to move forwards, and realizing accurate positioning and fixing of the end die.
Description
Technical Field
The utility model relates to a prefabricated box girder construction technical field of bridge, concretely relates to can fix a position fast and prefabricated box girder end mould of demolising.
Background
The length of the prefabricated box girder is usually about 25-40 m, the side mold is composed of a plurality of sections of 5-6 m, the end mold needs to be set into an irregular shape according to the section form of the end part of the box girder, and the end mold is usually embedded into the middles of the side mold and the bottom mold so as to increase stability. After the beam concrete is poured, before the side die and the inner die are dismantled, the end dies embedded into the side die and the bottom die need to be dismantled in advance, and because the end dies are embedded into the side die and the bottom die, the end dies need to be knocked and dismantled manually by using tools such as crowbars, sledge hammers and the like, so that the dismantling is difficult, the speed is low, and the beam concrete is easy to be damaged; simultaneously, the end mould bottom sets up the downward opening because of will keeping somewhere the end capping concrete reinforcing bar on the fishback, because of the fishback can't be effectively hugged closely with the die block, the reinforcing bar tooth's socket easily takes place to leak thick liquid when concrete placement, causes tip concrete honeycomb pitted surface, influences the roof beam body quality.
Disclosure of Invention
The utility model discloses an aim at present precast beam case end mould location, demolish difficulty and speed slowly, easily hinder roof beam body concrete and influence roof beam body quality problem, provide the precast beam case end mould that can fix a position fast and demolish, but accurate positioning when this end mould installation, demolish fast, can prevent that the bottom plate from leaking thick liquid when pouring, promoted the construction quality and the efficiency of precast beam case effectively.
The technical scheme of the utility model is that: a prefabricated box girder end mould capable of being quickly positioned and disassembled comprises a left side template, a right side template, a bottom mould, an end mould, a positioning device and a comb plate; the method is characterized in that: the end die comprises a top plate, a left web plate, a right web plate, a left flange plate, a right flange plate, a bottom plate and a comb plate; welding two end heads of the top plate on the inner sides of the upper ends of the left web plate and the right web plate respectively, wherein the two end heads are parallel and level to the upper end heads of the left web plate and the right web plate; welding bottom plates at the lower end heads of the left web plate and the right web plate to form an integral end die; the upper end of the bottom die is welded with a comb plate, and the upper part of the comb plate is provided with reinforcing steel bar positioning tooth grooves at equal intervals.
The positioning devices comprise a first positioning device, a second positioning device, a third positioning device and a fourth positioning device which have the same structure; the positioning device consists of a traction screw, a positioning nut, a positioning base plate, a reaction plate, a traction clamping plate, a reaction bolt and a traction nut.
A positioning nut, a positioning base plate, a reaction plate, a traction clamping plate and a traction nut are sequentially arranged on the traction screw rod; the reaction plate is rectangular, two identical round holes are formed in the rectangular reaction plate, the first round hole is sleeved on the traction screw, and the second round hole is a mounting reaction bolt hole.
Respectively installing the left side die, the right side die and the bottom die on a prefabricated beam pedestal, binding beam body steel bars and installing a prestressed pipeline; and respectively welding the front ends of the traction screws of the first positioning device, the second positioning device, the third positioning device and the fourth positioning device to the upper parts of the left web plate and the right web plate of the end die and the left side and the right side of the bottom plate.
Placing an end die between a left side die and a right side die, aligning the bottom of the end die with a comb plate on a bottom die, sequentially installing a positioning nut, a positioning base plate, a reaction plate, a traction clamping plate and a traction nut on traction screws of a first positioning device, a second positioning device, a third positioning device and a fourth positioning device, and fixing the reaction plate on screw holes at the upper end part and the lower end part of the left side die and the right side die through reaction bolts; and then synchronously rotating the traction nuts of the first positioning device, the second positioning device, the third positioning device and the fourth positioning device to be far away from the reaction plate, screwing the positioning nuts to control the end die to move forwards, and realizing accurate positioning and fixing of the end die.
The length and the same width of the left web plate and the right web plate are the same.
The left flange plate and the right flange plate are identical in shape and opposite in welding direction.
The positioning base plate and the traction clamping plate are square or rectangular.
The utility model has the advantages that: a prefabricated box girder end mould capable of being quickly positioned and disassembled can realize the accurate positioning of the end mould when the prefabricated box girder end mould is installed; the integral quick dismantling of the end mould can be realized when the end mould is dismantled, and the beam body is not damaged; end mould bottom plate fishback has still solved the roof beam body and has pour the time end mould bottom and leak thick liquid problem.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of the end form of FIG. 1;
FIG. 3 is an enlarged schematic view of the positioning device of FIG. 1;
fig. 4 is a schematic view of the bottom mold plate of fig. 1.
In the drawings 1-4, 1 is a top plate, 2 is a left web plate, 2 ' is a right web plate, 3 is a left flange plate, 3 ' is a right flange plate, 4 is a bottom plate, 5 is a comb plate, 6 is a traction screw, 7 is a positioning nut, 8 is a positioning cushion plate, 9 is a reaction plate, 10 is a traction clamping plate, 11 is a traction nut, 12 is a reaction bolt, 13 is an end die (integral), 14 is a bottom die, 15 is a left side die, 15 ' is a right side die, 16 is a first positioning device, 16 ' is a second positioning device, 17 is a third positioning device, 17 ' is a fourth positioning device.
Detailed description of the preferred embodiments
Referring to fig. 1, 2, 3 and 4, the embodiment of the utility model discloses a precast box girder end mould capable of being quickly positioned and disassembled, wherein the end mould 13 is respectively processed by section steel, and the end mould 13 consists of a top plate 1, a left web 2, a right web 2 ', a left flange plate 3, a right flange plate 3', a bottom plate 4 and a comb plate 5; welding two ends of the top plate 1 on the inner sides of the upper ends of the left web plate 2 and the right web plate 2 'respectively, and leveling the two ends with the upper ends of the left web plate 2 and the right web plate 2'; the outer sides of the upper ends of the left web plate 2 and the right web plate 2 ' are respectively welded with a left flange plate 3 and a right flange plate 3 ', and the left flange plate 3 and the right flange plate 3 ' are flush with the upper top plate 1; welding a bottom plate 4 at the lower end heads of the left web plate 2 and the right web plate 2' to form an integral end die; the upper end of the bottom die 14 is welded with a comb plate 5, and the upper part of the comb plate 5 is provided with reinforcing steel bar positioning tooth grooves at equal intervals.
In the embodiment of the present invention, the first positioning device 16, the second positioning device 16 ', the third positioning device 17, and the fourth positioning device 17' have the same structure; the positioning device is composed of a traction screw 6, a positioning nut 7, a positioning backing plate 8, a reaction plate 9, a traction clamping plate 10, a reaction bolt 12 and a traction nut 11.
In the embodiment shown in fig. 3: a positioning nut 7, a positioning clamping base plate 8, a reaction plate 9, a traction clamping plate 10 and a traction nut 11 are sequentially arranged on the traction screw 6; the rectangular reaction plate 9 is provided with two identical round holes, wherein the first round hole is sleeved on the traction screw 6, and the second round hole is provided with a reaction bolt 12.
Respectively installing a left side die 15, a right side die 15' and a bottom die 14 on a prefabricated beam pedestal (not shown in the figure), and then binding beam body steel bars and installing prestressed pipelines; the front ends of the traction screw 6 of the first positioning device 16, the second positioning device 16 ', the third positioning device 17 and the fourth positioning device 17 ' are respectively welded on the upper parts of the left web plate 2 and the right web plate 2 ' of the end die 13 and the left side and the right side of the bottom plate 4.
The utility model discloses in the embodiment, place whole end mould 13 between left side mould 15, right side mould 15 ', comb plate 5 on the die block 14 is aimed at to end mould 13 bottom, then at first positioner 16, second positioner 16', third positioner 17, penetrate positioning nut 7 on fourth positioner 17's the traction screw 6 in proper order, the locating cushion board 8, reaction plate 9, pull clamp plate 10, pull nut 11, then be fixed in on the screw of tip about left side mould 15 and right side mould 15' through reaction bolt 12 with reaction plate 9. And then synchronously rotating the traction nuts 11 of the first positioning device 16, the second positioning device 16 ', the third positioning device 17 and the fourth positioning device 17' to be far away from the reaction plate 9, screwing the positioning nuts 7 to control the end die 13 to move forwards, and realizing the accurate positioning and fixing of the end die 13.
In the embodiment of the utility model, the length and the width of the left web plate 2 and the right web plate 2 'are the same, the shape of the left flange plate 3 is the same as that of the right flange plate 3', and the welding directions are opposite; the shape of the positioning mat 8 and the traction gripping plate 10 is square or rectangular.
The utility model discloses an operation process is: after pouring and maintaining beam concrete, when the end mold 13 is removed, the positioning nuts 7 of the first positioning device 16, the second positioning device 16 ', the third positioning device 17 and the fourth positioning device 17' need to be unscrewed to be away from the reaction plate 9, and then the traction nuts 11 of the first positioning device 16, the second positioning device 16 ', the third positioning device 17 and the fourth positioning device 17' are synchronously screwed down to retreat the end mold 13, so that the mold removal is completed. After the beam body is tensioned and the beam is moved, the steps are repeated to construct the next beam.
The end die of the utility model can adjust the longitudinal position of the end die in the side dies at the left and right sides of the box girder through four positioning devices distributed at the left and right sides of the end die, thereby realizing the accurate positioning of the end die; the end die is slowly moved out from the insides of the left side die and the right side die under the synchronous driving traction of the traction nuts of the four positioning devices, so that the quick disassembly is realized; and the comb plate on the bottom die is welded with the bottom die into a whole, so that the problem of slurry leakage at the bottom of the end die during concrete pouring is effectively solved.
Claims (4)
1. A prefabricated box girder end mould capable of being quickly positioned and disassembled comprises a left side template, a right side template, a bottom mould, an end mould, a positioning device and a comb plate; the method is characterized in that: the end die comprises a top plate, a left web plate, a right web plate, a left flange plate, a right flange plate, a bottom plate and a comb plate; welding two end heads of the top plate on the inner sides of the upper ends of the left web plate and the right web plate respectively, wherein the two end heads are parallel and level to the upper end heads of the left web plate and the right web plate; welding bottom plates at the lower end heads of the left web plate and the right web plate to form an integral end die; a comb plate is welded at the upper end of the bottom die, and reinforcing steel bar positioning tooth grooves with equal intervals are arranged at the upper part of the comb plate;
the positioning device comprises a first positioning device, a second positioning device, a third positioning device and a fourth positioning device, wherein the first positioning device, the second positioning device, the third positioning device and the fourth positioning device are of the same structure, and the positioning device consists of a traction screw rod, a positioning nut, a positioning base plate, a counter-force plate, a traction clamping plate, a counter-force bolt and a traction nut; a positioning nut, a positioning base plate, a reaction plate, a traction clamping plate and a traction nut are sequentially arranged on the traction screw rod; the reaction plate is rectangular, two identical round holes are formed in the rectangular reaction plate, the first round hole is sleeved on the traction screw, and the second round hole is provided with a reaction bolt;
respectively installing the left side die, the right side die and the bottom die on a prefabricated beam pedestal, binding beam body steel bars and installing a prestressed pipeline; respectively welding the front ends of the traction screws of the first positioning device, the second positioning device, the third positioning device and the fourth positioning device to the upper parts of the left web plate and the right web plate of the end die and the left side and the right side of the bottom plate;
placing the integral end die between the left side die and the right side die, aligning the bottom of the integral end die with a comb plate on a bottom die, sequentially penetrating a positioning nut, a positioning base plate, a reaction plate, a traction clamping plate and a traction nut on traction screws of a first positioning device, a second positioning device, a third positioning device and a fourth positioning device, and fixing the reaction plate on screw holes at the upper end part and the lower end part of the left side die and the right side die through reaction bolts; and then synchronously rotating the traction nuts of the first positioning device, the second positioning device, the third positioning device and the fourth positioning device to be far away from the reaction plate, screwing the positioning nuts to control the end die to move forwards, and realizing accurate positioning and fixing of the end die.
2. The precast box girder end mold capable of being quickly positioned and removed according to claim 1, wherein: the length and the same width of the left web plate and the right web plate are the same.
3. The precast box girder end mold capable of being quickly positioned and removed according to claim 1, wherein: the left flange plate and the right flange plate have the same structure and opposite welding directions.
4. The precast box girder end mold capable of being quickly positioned and removed according to claim 1, wherein: the positioning base plate and the traction clamping plate are square or rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020707162.XU CN212170795U (en) | 2020-04-30 | 2020-04-30 | Prefabricated box girder end mould that can fix a position fast and demolish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020707162.XU CN212170795U (en) | 2020-04-30 | 2020-04-30 | Prefabricated box girder end mould that can fix a position fast and demolish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212170795U true CN212170795U (en) | 2020-12-18 |
Family
ID=73766280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020707162.XU Active CN212170795U (en) | 2020-04-30 | 2020-04-30 | Prefabricated box girder end mould that can fix a position fast and demolish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212170795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360978A (en) * | 2020-04-30 | 2020-07-03 | 中铁十一局集团第一工程有限公司 | Prefabricated box girder end mould that can fix a position fast and demolish |
-
2020
- 2020-04-30 CN CN202020707162.XU patent/CN212170795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360978A (en) * | 2020-04-30 | 2020-07-03 | 中铁十一局集团第一工程有限公司 | Prefabricated box girder end mould that can fix a position fast and demolish |
| CN111360978B (en) * | 2020-04-30 | 2024-07-12 | 中铁十一局集团第一工程有限公司 | Prefabricated box girder end mould capable of being rapidly positioned and dismantled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111360978A (en) | Prefabricated box girder end mould that can fix a position fast and demolish | |
| CN105401679A (en) | Large-gradient cast-in-place concrete inclined roof construction method | |
| CN212170795U (en) | Prefabricated box girder end mould that can fix a position fast and demolish | |
| CN110549487A (en) | Movable precast box girder web plate steel bar positioning jig frame and construction method thereof | |
| CN214739867U (en) | Assembled detachable steel bar truss floor support plate template system | |
| CN216688850U (en) | Rail bolt positioning device | |
| CN212957700U (en) | Three-dimensional adjustable fixing and mounting frame for precise positioning of foundation bolts | |
| CN212249181U (en) | Integrated formwork system suitable for concrete pouring of pool wall | |
| CN204199323U (en) | For the positioning screw hole mould of pre-embedded bolt quick position | |
| CN202532110U (en) | Fixing device for foundation bolt of elevated platform | |
| CN220767725U (en) | Expressway pier capping beam template structure convenient to disassemble and assemble | |
| CN215215367U (en) | Winch ground anchor die carrier for coal mine | |
| CN218757495U (en) | Slope-shaped independent foundation formwork support and slope forming control tool | |
| CN216999374U (en) | Quick connector for concrete embedded pull rod | |
| CN211440423U (en) | Portable concrete vibrating device | |
| CN214272907U (en) | Shear wall root reinforcing and plugging mechanism | |
| CN218597780U (en) | Pre-buried locator of detachable reinforcing bar | |
| CN218255748U (en) | Hogging moment stretch-draw working hole template for precast box girder top plate | |
| CN218090545U (en) | Pier-pile steel-concrete transition joint steel plate levelness and plane position adjusting device | |
| CN217897299U (en) | Quick leveling device for integral wall formwork | |
| CN216839484U (en) | Adjustable integral concrete support template | |
| CN115506378B (en) | Anchor rod frame beam template system and construction method thereof | |
| CN219509174U (en) | Adjustable bare concrete independent column subsection casting protective layer control clamp | |
| CN219548376U (en) | Side form formwork device | |
| CN215928650U (en) | U-shaped clamping groove beam-penetrating sleeve fixing die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |