CN113681701A - Mechanical demoulding device for steel core mould of hollow precast slab beam - Google Patents
Mechanical demoulding device for steel core mould of hollow precast slab beam Download PDFInfo
- Publication number
- CN113681701A CN113681701A CN202110918341.7A CN202110918341A CN113681701A CN 113681701 A CN113681701 A CN 113681701A CN 202110918341 A CN202110918341 A CN 202110918341A CN 113681701 A CN113681701 A CN 113681701A
- Authority
- CN
- China
- Prior art keywords
- steel
- support frame
- base
- fixedly connected
- slab beam
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
- B28B13/065—Removing the shaped articles from moulds by applying electric current or other means of discharging, e.g. pneumatic or hydraulic discharging means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
Abstract
The invention provides a mechanical demoulding device for a steel core mould of a prefabricated hollow slab beam, and relates to the technical field of highway engineering; the method comprises the following steps: a support frame; the first base is connected with the support frame in a sliding mode and is also fixedly connected with a steel template; the first telescopic device is provided with a first shell and a first movable rod, the first shell is fixedly connected with the first base, and the first movable rod is fixedly connected with the other steel template; two ends of the first limiting rope are respectively fixedly connected with the other steel formwork and the support frame; and the first limiting rod is fixedly connected with the support frame and can abut against the other steel template. The invention has the advantages that: the support frame is placed in the hollow position of prefabricated hollow slab beam, adopts telescoping device automatic installation steel form and drawing of patterns, directly extract the support frame after the drawing of patterns can, every telescoping device corresponds the removal of two steel forms of control, installs and demolishs the steel form conveniently.
Description
Technical Field
The invention relates to highway engineering, in particular to a mechanical demoulding device for a steel core mould of a precast hollow slab beam.
Background
The core mould of the prior prefabricated hollow slab beam mainly comprises: wood formwork core molds, rubber air bag core molds, foam core molds, steel core molds and the like. The core mould of the wood template is complex to manufacture, difficult to demould and low in turnover rate; the rubber air bag core mold is low in rigidity, easy to deflect and float, large in size difference and not capable of meeting design requirements, and quality accidents are easily caused due to the fact that the rubber air bag core mold is punctured. At present, the core mould of the rubber air bag is listed as a removal process. The foam core mould is suitable for a special part which is free from being dismantled. The existing steel core mould is heavy to operate and difficult to install and remove.
Disclosure of Invention
The invention aims to solve the technical problem of providing a mechanical demoulding device for a steel core mould of a precast hollow slab beam, which is used for conveniently installing and dismantling a steel mould.
The invention is realized by the following steps: a mechanical demoulding device for a steel core mould of a precast hollow slab beam comprises:
a support frame;
the first base is connected with the support frame in a sliding mode and is also fixedly connected with a steel template;
the first telescopic device is provided with a first shell and a first movable rod, the first shell is fixedly connected with the first base, and the first movable rod is fixedly connected with the other steel template;
two ends of the first limiting rope are respectively fixedly connected with the other steel formwork and the support frame;
and the first limiting rod is fixedly connected with the support frame and can abut against the other steel template.
Further, still include:
the two ends of the first base are fixedly provided with the first limiting blocks;
the support frame is located two between the first stopper.
Further, the first telescopic device is a telescopic hydraulic cylinder.
Further, the support frame is fixedly provided with a guide rail, the first base is provided with a sliding block, and the sliding block is connected with the guide rail in a sliding manner.
Further, first base is circular iron cage, first telescoping device is located the inner chamber of circular iron cage.
Further, the support frame is a hollow steel beam.
Furthermore, one steel template is a left steel template, the other steel template is a right steel template, the support frame is provided with a horizontal through hole, and the first base is slidably arranged in the horizontal through hole.
Further, still include:
the supporting frame is also provided with a vertical through hole;
the second base is arranged in the vertical through hole in a sliding mode and is fixedly connected with the lower steel template, second limiting blocks are fixedly arranged at the upper end and the lower end of the second base, and the supporting frame is also positioned between the two second limiting blocks;
the second telescopic device is provided with a second shell and a second movable rod, the second shell is fixedly connected with the second base, and the second movable rod is fixedly connected with the upper steel template;
two ends of the second limiting rope are respectively arranged between the upper steel template and the support frame;
and the support frame is fixedly connected and can abut against the upper steel template.
Further, still include:
the two ends of the supporting frame are respectively placed on the two bases.
Furthermore, the two ends of the supporting frame are respectively connected with the two bases in a dismounting manner.
The invention has the advantages that: 1. the support frame is placed in the hollow position of prefabricated hollow slab beam, adopts telescoping device automatic installation steel form and drawing of patterns, directly extract the support frame after the drawing of patterns can, every telescoping device corresponds the removal of two steel forms of control, installs and demolishs the steel form conveniently. 2. The stopper limits the sliding range of the base so as to better control the position of the steel molding plate. 3. The telescopic hydraulic cylinder can ensure the complete surface of concrete in the demoulding process, has strict construction steps and convenient rotary operation, and can effectively control the forming quality of the hollow cavity of the hollow plate girder. 4. Carry out the installation and demolish of left steel form, right steel form, last steel form and lower steel form in an orderly manner, only need adjust the shape of steel form to the mandrel of polygon size in the difference, guarantee that the structural dimension satisfies the designing requirement, have enough to meet the need efficiently, fix a position the accuracy.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a first structural schematic diagram of a mechanical demoulding device of a steel core mould of a precast hollow slab beam.
Fig. 2 is a second structural schematic diagram of the mechanical demoulding device for the steel core mould of the precast hollow slab beam.
Fig. 3 is a first schematic drawing of the mechanical demoulding device for the steel core mould of the precast hollow slab beam.
Fig. 4 is a second schematic drawing of the mechanical demoulding device for the steel core mould of the precast hollow slab beam.
FIG. 5 is a schematic view of the connection between the supporting frame and the base of the present invention.
Fig. 6 is a schematic structural view of a conventional prefabricated hollow slab beam.
Reference numerals: a support frame 1; a horizontal through hole 11; a vertical through hole 12; a base 3; a left steel form 4; a right steel form 5; feeding a steel template 6; a lower steel template 7; a first base 8; a first stopper 81; a first retractor 82; a first stopper rope 83; a first stopper rod 84; a first strut 85; a second base 9; a second stopper 91; a second retractor 92; a second stopper rope 93; a second stopper rod 94; a second strut 95; a hollow slab beam 10.
Detailed Description
The embodiment of the invention provides a mechanical demoulding device for a steel core mould of a prefabricated hollow slab beam, which overcomes the defects of the core mould of the prefabricated hollow slab beam in the prior art and realizes the technical effect of conveniently installing and dismantling the steel mould plate.
In order to solve the above disadvantages, the technical solution in the embodiment of the present invention has the following general idea: the support frame is placed at the hollow position of prefabricated hollow slab beam, adopts telescoping device cooperation spacing rope and gag lever post, installs the steel form and drawing of patterns in an orderly manner, and every telescoping device corresponds the removal of two control steel forms, forms the steel core mould after the steel form expandes, withdraws the back as the steel form promptly the drawing of patterns, directly extract the support frame after the drawing of patterns can.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 6, a preferred embodiment of the present invention.
A mechanical demoulding device for a steel core mould of a precast hollow slab beam comprises: a support frame 1; is placed in the hollow position of the prefabricated hollow slab beam 10; the support frame 1 is a hollow steel beam, and the weight is reduced when the strength requirement is met. The first base 8 is connected with the support frame 1 in a sliding mode and is also fixedly connected with the left steel template 4; specifically, the support frame 1 is provided with a horizontal through hole 11, and the first base 8 is slidably arranged in the horizontal through hole 11; the support frame 1 is fixedly provided with a guide rail, the first base 8 is provided with a sliding block, and the sliding block is connected with the guide rail in a sliding manner. The first limiting blocks 81 are fixedly arranged at two ends of the first base 8; the support frame 1 is positioned between the two first limiting blocks 81; the first stopper 81 defines a sliding range of the first base 8 to better control the position of the steel form.
The first telescopic device 82 is provided with a first shell and a first movable rod, the first shell is fixedly connected with the first base 8, the first base 8 is a circular iron cage, and the first telescopic device 82 is positioned in an inner cavity of the circular iron cage; this effectively prevents the first telescopic device 82 from contacting the support frame 1; the first telescopic means 82 is a telescopic hydraulic cylinder. The first movable rod is fixedly connected with the right steel template 5; two ends of the first limiting rope 83 are respectively fixedly connected with the right steel template 5 and the support frame 1; and the first limiting rod 84 is fixedly connected with the support frame 1 and can abut against the right steel formwork 5. First supporting rods 85 are fixedly arranged between the left steel template 4 and the first base 8 and between the right steel template 5 and the first movable rod. When the first movable rod of the first telescopic device 82 extends, the left steel formwork 4 does not move, and the right steel formwork 5 moves rightwards; after first stopper rope 83 straightens, right steel form 5's position has just been confirmed, then continues to stretch out along with first movable rod of first telescoping device 82, and the effort of production just orders about first base 8 and begins to move left to left steel form 4 moves left, when the first stopper 81 that is located the 8 right-hand members of first base supports support frame 1, and first movable rod no longer stretches out, and first base 8 stops to move left, and left steel form 4's position has just been confirmed. When the first movable rod of the first telescopic device 82 contracts, the left steel formwork 4 does not move, and the right steel formwork 5 starts to move leftwards; when first gag lever post 84 supported right steel form 5, right steel form 5 stopped moving to the left, then continues to contract along with the first movable rod of first telescoping device 82, and the effort of production just orders about first base 8 and begins to move to the right to left steel form 4 moves to the right, and when the first stopper 81 that is located the left end of first base 8 supported support frame 1, first movable rod no longer contracts, and first base 8 stops moving to the left with left steel sheet.
The support frame is also provided with a vertical through hole 12; second base 9, the smooth vertical through-hole 12 of locating still with 7 lower steel form fixed connection, second base 9's upper and lower both ends have all set firmly second stopper 91, support frame 1 still is located two between the second stopper 91.
The second telescopic device 92 is provided with a second shell and a second movable rod, the second shell is fixedly connected with the second base 9, and the upper steel template 6 is fixedly connected with the second movable rod; two ends of the second limiting rope 93 are respectively arranged between the upper steel template 6 and the support frame 1; and the second limiting rod 94 is fixedly connected with the support frame 1 and can abut against the upper steel template 6. Second support rods 95 are fixedly arranged between the lower steel template 7 and the second base 9 and between the upper steel template 6 and the second movable rod. When the second movable rod of the second telescopic device 92 is extended, the lower steel formwork 7 is not moved, and the upper steel formwork 6 moves upwards; after second stopper rope 93 straightens, go up steel form 6's position and just confirmed, then continue to stretch out along with the second movable rod of second telescoping device 92, the effort of production just orders about second base 9 and begins to move down to lower steel form 7 moves down, when second stopper 91 that is located the second base 9 upper end supports support frame 1, the second movable rod no longer stretches out, and second base 9 stops to move down, and lower steel form 7's position has just been confirmed. When the second movable rod of the second telescopic device 92 contracts, the lower steel formwork 7 is not moved, and the upper steel formwork 6 starts to move downwards; when second gag lever post 94 supported last steel sheathing 6, last steel sheathing 6 stopped down moving, then continued the shrink along with the second movable rod of second telescoping device 92, the effort of production just orders about second base 9 and begins up moving to lower steel sheathing 7 up moving, when second stopper 91 that is located the lower extreme of second base 9 supported support frame 1, the second movable rod no longer contracts, and second base 9 stops up moving with lower steel sheet.
The first base 8, the first limiting block 81, the first telescopic device 82, the first limiting rope 83 and the first limiting rod 84 are respectively the same as the second base 9, the second limiting block 91, the second telescopic device 92, the second limiting rope 93 and the second limiting rod 94. Support frame 1 has set up the flexible function of level and the flexible function of vertical, makes left steel form 4, the horizontal migration of right steel form 5, makes upper steel form 6, the vertical removal of lower steel form 7. Forming a steel core mould by matching a left steel template 4, a right steel template 5, an upper steel template 6 and a lower steel template 7; the shape of the steel template is only required to be adjusted for core moulds with different inner polygon sizes. Each telescopic device correspondingly controls the movement of the two steel templates; when the telescopic device extends outwards, the steel templates move outwards successively, and the steel templates form a steel core die after being unfolded; when the telescopic device contracts inwards, the steel template moves inwards successively, demoulding is carried out after the steel template is withdrawn, and the support frame 1 is directly extracted after demoulding.
And the two ends of the support frame 1 are respectively placed on the two bases 3. Or the two ends of the support frame 1 are respectively connected with the two bases 3 in a dismounting way. The base 3 is a steel stool. The base 3 and the support frame 1 are locked and fixed through bolts and the like, the support frame 1 is suspended in the hollow position of the prefabricated hollow slab beam 10, and then the steel formwork is unfolded to form a steel core formwork; after demoulding, the base 3 is disconnected with the support frame 1, and the support frame 1 is directly extracted.
The invention relates to a working mode of a mechanical demoulding device of a steel core mould of a precast hollow slab beam, which comprises the following steps: installing a floor and an outer side template at the position of the prefabricated hollow slab beam, hoisting the device to the hollow position of the prefabricated hollow slab beam, and installing bases 3 at two ends of a support frame 1 to suspend the support frame 1 in the air; firstly, the first expansion device 82 sequentially and horizontally expands the right steel formwork 5 and the left steel formwork 4, then the second expansion device 92 sequentially and vertically expands the upper steel formwork 6 and the lower steel formwork 7, the expanded left steel formwork 4, the right steel formwork 5, the upper steel formwork 6 and the lower steel formwork 7 form a steel core mold, then concrete is poured into a space defined by the floor, the outer side formwork and the steel core mold, and the hollow plate beam 10 is formed after the concrete is solidified. Finally, demoulding operation is carried out, the second telescopic device 92 sequentially withdraws the upper steel formwork 6 and the lower steel formwork 7, the upper steel formwork 6 and the lower steel formwork 7 are separated from concrete, the first telescopic device 82 sequentially withdraws the right steel formwork 5 and the left steel formwork 4, and the right steel formwork 5 and the left steel formwork 4 are separated from concrete; after the outer formworks and the floor are removed, the production of the hollow slab beam 10 is completed.
The mechanical demoulding device for the steel core mould of the precast hollow slab beam automatically installs the template and carries out demoulding, and the template can be directly extracted after demoulding; the core mould is very convenient to mount and dismount, can ensure that the structural size meets the design requirement, has high turnover efficiency, simple and accurate positioning, no floating, large rigidity and safe structure, and can be used for multiple times. When the prefabricated quantity of plate girders is large, the use cost can be greatly reduced, the method has better economic benefit and stronger universality, the core moulds with different inner polygon sizes can be used only by adjusting the steel templates, the quality defect caused by core mould offset and floating can be avoided, the accurate forming size is ensured, and the uniform thickness of the top plate is ensured. The hydraulic demoulding can ensure the integrity of the concrete surface, the construction steps are rigorous, the construction is convenient, and the forming quality of the hollow plate girder cavity can be effectively controlled.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. The utility model provides a mechanical shedder of hollow core slab beam steel mandrel which characterized in that includes:
a support frame;
the first base is connected with the support frame in a sliding mode and is also fixedly connected with a steel template;
the first telescopic device is provided with a first shell and a first movable rod, the first shell is fixedly connected with the first base, and the first movable rod is fixedly connected with the other steel template;
two ends of the first limiting rope are respectively fixedly connected with the other steel formwork and the support frame;
and the first limiting rod is fixedly connected with the support frame and can abut against the other steel template.
2. The mechanical demolding device for the steel core mold of the precast hollow slab beam as claimed in claim 1, further comprising:
the two ends of the first base are fixedly provided with the first limiting blocks;
the support frame is located two between the first stopper.
3. The mechanical core die stripping device for the precast hollow slab beam steel core die as claimed in claim 1, wherein the first telescopic device is a telescopic hydraulic cylinder.
4. The mechanical demolding device for the steel core mold of the hollow precast slab beam as claimed in claim 1, wherein a guide rail is fixedly arranged on the support frame, the first base is provided with a sliding block, and the sliding block is slidably connected with the guide rail.
5. The mechanical core die stripping device for the precast hollow slab beam as claimed in claim 1, wherein the first base is a circular iron cage, and the first telescopic device is located in an inner cavity of the circular iron cage.
6. The mechanical core die stripping device for the precast hollow slab beam as claimed in claim 1, wherein the support frame is a hollow steel beam.
7. The mechanical demolding device for the steel core mold of the precast hollow slab beam as claimed in claim 1, wherein the one steel mold is a left steel mold, the other steel mold is a right steel mold, the support frame is provided with a horizontal through hole, and the first base is slidably disposed in the horizontal through hole.
8. The mechanical demolding device for the steel core mold of the precast hollow slab beam as claimed in claim 7, further comprising:
the supporting frame is also provided with a vertical through hole;
the second base is arranged in the vertical through hole in a sliding mode and is fixedly connected with the lower steel template, second limiting blocks are fixedly arranged at the upper end and the lower end of the second base, and the supporting frame is also positioned between the two second limiting blocks;
the second telescopic device is provided with a second shell and a second movable rod, the second shell is fixedly connected with the second base, and the second movable rod is fixedly connected with the upper steel template;
two ends of the second limiting rope are respectively arranged between the upper steel template and the support frame;
and the support frame is fixedly connected and can abut against the upper steel template.
9. The mechanical demolding device for the steel core mold of the precast hollow slab beam as claimed in claim 1, further comprising:
the two ends of the supporting frame are respectively placed on the two bases.
10. The mechanical demolding device for the steel core mold of the precast hollow slab beam as claimed in claim 9, wherein two ends of the supporting frame are detachably connected with the two bases respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918341.7A CN113681701A (en) | 2021-08-11 | 2021-08-11 | Mechanical demoulding device for steel core mould of hollow precast slab beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918341.7A CN113681701A (en) | 2021-08-11 | 2021-08-11 | Mechanical demoulding device for steel core mould of hollow precast slab beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113681701A true CN113681701A (en) | 2021-11-23 |
Family
ID=78579363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110918341.7A Pending CN113681701A (en) | 2021-08-11 | 2021-08-11 | Mechanical demoulding device for steel core mould of hollow precast slab beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113681701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284415A (en) * | 2022-08-01 | 2022-11-04 | 乌海市公路工程有限公司 | Box girder prefabricated template for preventing core mould from floating upwards and pouring method |
-
2021
- 2021-08-11 CN CN202110918341.7A patent/CN113681701A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284415A (en) * | 2022-08-01 | 2022-11-04 | 乌海市公路工程有限公司 | Box girder prefabricated template for preventing core mould from floating upwards and pouring method |
| CN115284415B (en) * | 2022-08-01 | 2023-08-22 | 乌海市公路工程有限公司 | Box girder prefabricated formwork for preventing core mould from floating upwards and pouring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105909278A (en) | Combined automatic control mold rack and use method | |
| CN108661670B (en) | Construction method for pipe gallery construction by using formwork trolley | |
| CN110394885B (en) | Be applied to prefabricated whole fluid pressure type template of box culvert | |
| CN113681701A (en) | Mechanical demoulding device for steel core mould of hollow precast slab beam | |
| CN111677275A (en) | Adjustable column template | |
| CN215848840U (en) | Mechanical demoulding device for steel core mould of hollow precast slab beam | |
| CN107471413A (en) | Large-scale side contains internal model auto zoom device | |
| CN211566350U (en) | Automatic demoulding device for track slab | |
| CN207465476U (en) | Contain internal model auto zoom device in large size side | |
| CN114193611A (en) | Construction forming method of assembly type bridge deck prefabricated member | |
| CN213115483U (en) | Construction structure | |
| CN114481873A (en) | Rainwater square culvert engineering template segmented assembling and integral sliding construction method | |
| CN112757474A (en) | Method for prefabricating hollow pier stud by integrally overturning inner mold, outer mold and reinforcement cage | |
| CN114179198A (en) | Prefabricated staircase component production line and production method thereof | |
| CN111571775A (en) | Assembled hollow pier body and construction device and construction method thereof | |
| CN107142961B (en) | Concrete pouring integral movable formwork | |
| CN216108251U (en) | Movable anti-collision wall template | |
| CN218255766U (en) | Bearing bridge concrete prefabricated part forming die | |
| CN216428002U (en) | Whole sliding device of cast-in-place beam side form system | |
| CN210460692U (en) | Platform is pour in tunnel | |
| CN217834028U (en) | Simply support precast beam section template for case roof beam | |
| CN218965724U (en) | U-shaped aqueduct drawing type internal mold assembly | |
| CN219563557U (en) | Autoclaved aerated concrete slab casting mold | |
| CN115142667B (en) | Integrated self-climbing elevator shaft formwork structure and construction method thereof | |
| CN219297990U (en) | Supporting device for bridge top die erection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |