CN120946091B - A formwork for in-situ casting of UHPC hollow columns - Google Patents
A formwork for in-situ casting of UHPC hollow columnsInfo
- Publication number
- CN120946091B CN120946091B CN202511485057.XA CN202511485057A CN120946091B CN 120946091 B CN120946091 B CN 120946091B CN 202511485057 A CN202511485057 A CN 202511485057A CN 120946091 B CN120946091 B CN 120946091B
- Authority
- CN
- China
- Prior art keywords
- template
- sliding
- ring
- sub
- templates
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to the field of pouring templates, in particular to an in-situ pouring template of a UHPC cavity column, which comprises a fixing mechanism and a limiting rod. The two fixing mechanisms are distributed up and down, the upper fixing mechanism corresponds to the cavity column, the lower fixing mechanism corresponds to the ground of the cast-in-place concrete, the length direction of the parting template is extended along the horizontal direction, one end is set to be a sliding end, and the other end is set to be a connecting end. The adjusting component drives the sliding ends of the sub-templates to slide along the length direction of the adjacent sub-templates so as to adjust the size of a rectangular cylinder surrounded by the four sub-templates according to the size of the cavity column, thereby realizing the adaptation of the cavity columns with different section sizes.
Description
Technical Field
The invention relates to the field of pouring templates, in particular to an in-situ pouring template of a UHPC cavity column.
Background
The building pouring formwork is a temporary supporting structure, is manufactured according to design requirements, forms concrete structures and components according to specified positions and geometric dimensions, keeps the correct positions, and bears the dead weight of the building formwork and external loads acting on the building formwork. The casting template is used after the prefabricated cavity column is installed. The prefabricated cavity column is a hollow prefabricated column part which is integrally manufactured by a formed reinforcement cage and concrete.
Screw thread posts are fixed at the upper ends of the steel bars annularly distributed at the lower end of the cavity post and the upper ends of the steel bars reserved on the ground of the pre-installed cavity post, and straight screw thread sleeves are connected to the screw thread posts on the steel bars reserved on the ground. When the cavity column is installed, the cavity column is lifted, after the steel bars on the cavity column and the steel bars on the ground are aligned and positioned, the upper threaded column and the lower threaded column are connected together through the straight threaded sleeve, a casting space is formed between the cavity column and the ground through the template, and after the cavity column is installed in place, concrete is cast in the cavity, so that the cavity column and the cast-in-place concrete form a whole, and the vertical and horizontal load actions are borne together. However, the existing cast-in-place templates of the cavity columns are required to be spliced and fixed one by one manually, cannot be matched with square cavity columns with multiple sizes, and have certain limitations.
Disclosure of Invention
The invention provides an in-situ casting template of a UHPC cavity column, which aims to solve the problems.
The invention relates to an on-site pouring template of a UHPC cavity column, which adopts the following technical scheme that the on-site pouring template of the UHPC cavity column comprises a fixing mechanism and a limiting rod. The two fixing mechanisms are arranged and distributed up and down, the upper fixing mechanism corresponds to the cavity column, and the lower fixing mechanism corresponds to the ground of the cast-in-place concrete;
the fixing mechanism comprises a plurality of fixing devices which are distributed up and down, the fixing devices comprise fixing rings, split templates and adjusting components, and the fixing rings and the cavity columns are coaxially arranged.
The sub-templates are distributed in the fixing ring, the four sub-templates are enclosed to form a rectangular cylinder coaxial with the fixing ring, the sub-templates of adjacent fixing devices in the same fixing mechanism are abutted to form a total template, and the sub-templates of the lowest fixing device in the lower fixing mechanism are abutted to the ground.
The length direction of the sub-templates extends along the horizontal direction, one end of the sub-templates is set as a sliding end, the other end of the sub-templates is set as a connecting end, the sliding end of each sub-template is abutted to the side wall of the axis of the adjacent sub-template, which is close to the fixed ring, a sliding component is arranged between the connecting end of each sub-template and the sliding end of the adjacent sub-template, the sliding component is used for enabling the sliding end of each sub-template to be in sliding connection with the adjacent sub-template along the length direction of the adjacent sub-template, a limiting block is fixed on one side of each sub-template, which is far away from the axis of the fixed ring, and a limiting hole is formed in each limiting block. The sliding assembly comprises a sliding column, wherein the axis of the sliding column is arranged along the length direction of the sub-template, the sliding column is arranged at the connecting end of the sub-template and is positioned at one side of the side wall where the sliding ends of the sub-template and the adjacent sub-templates are abutted, the sliding column is fixedly connected with the connecting end of the sub-template through a connecting plate, and the sliding column is in sliding fit with the sliding end of the adjacent sub-template.
The adjusting component is arranged between the fixed ring and the sub-templates, the sliding ends of the sub-templates are driven to slide along the length direction of the adjacent sub-templates by the adjusting component so as to adjust the size of a rectangular cylinder enclosed by the four sub-templates according to the size of the cavity column, and the cavity column with different section sizes is adapted. The adjusting assembly comprises a rotating ring, a moving plate and a driving structure, wherein the rotating ring is coaxially and rotatably arranged on the lower end face of the fixed ring, four inclined grooves which are inclined relative to the radial direction of the rotating ring are annularly distributed on the rotating ring, four rectangular grooves which extend along the radial direction of the fixed ring are annularly distributed on the fixed ring, four moving plates are annularly distributed between the rotating ring and the fixed ring, rectangular blocks are fixedly arranged on the upper end face of each moving plate, the rectangular blocks are in sliding fit with the rectangular grooves, sliding protrusions are fixedly arranged on the lower end face of each moving plate, the sliding protrusions are in sliding fit with the inclined grooves, each moving plate corresponds to one sub-template, the moving plate and the corresponding sub-template are in sliding fit along the length direction of the sub-template, and the driving structure is used for driving the rotating ring to rotate, driving the moving plates to radially slide along the fixed ring under the matching of the inclined grooves and the rectangular grooves, and driving the sub-templates to synchronously move.
The limiting rods are vertically arranged and are in sliding fit with the limiting holes, before driving the sub-templates of the plurality of fixing devices to move, the limiting rods are pulled out of the limiting holes, and when the sub-templates of the plurality of fixing devices are sequentially moved by the same distance from top to bottom, the limiting rods are sequentially inserted into the limiting holes of the moved sub-templates from top to bottom. When the fixing device is used, firstly, the total templates of the fixing devices positioned above in the fixing devices of the fixing mechanism above are sleeved on the cavity column, the sub-templates are driven to be close to each other and abut against the side wall of the cavity column through the corresponding adjusting components, the total templates of the fixing devices positioned below in the fixing devices above are sleeved on the outer sides of the steel bars at the lower end of the cavity column, the sub-templates are driven to be close to each other and abut against the steel bars of the cavity column through the corresponding adjusting components, then the fixing devices of the fixing mechanism below are sleeved on the outer sides of the steel bars on the ground, the sub-templates are driven to be close to each other and abut against the steel bars on the ground through the corresponding adjusting components, and then the limiting rods are vertically inserted into the corresponding limiting holes of the fixing mechanism below. And secondly, hanging the cavity column above the ground steel bars, and only inserting four limiting rods into limiting holes on limiting blocks of the parting plates which are abutted with the steel bars of the cavity column, so that the alignment and positioning work of the steel bars of the cavity column and the ground steel bars can be completed. And thirdly, rotating the straight thread sleeve on the reinforcing steel bar on the ground to enable the straight thread sleeve to be in threaded connection with the threaded column on the reinforcing steel bar of the cavity column, stopping rotating the straight thread sleeve when the straight thread sleeve is abutted with the lowest parting plate of the upper fixing mechanism, assisting in determining the screwing depth of the straight thread sleeve, and improving the efficiency of manually operating and installing the cavity column. After the step is completed, the limiting rod is pulled out of the limiting hole. And fourthly, enabling the limiting rod to be inserted into the limiting holes on the limiting blocks of the sub-templates abutted against the side walls of the cavity columns again, enabling the limiting rod to pass through the corresponding adjusting components from top to bottom to drive the sub-templates abutted against the reinforcing steel bars of the cavity columns and the sub-templates abutted against the reinforcing steel bars of the ground to be mutually far away, enabling the limiting rod to move downwards when the size of the total template enclosed by the sub-templates abutted against the reinforcing steel bars of the cavity columns and the size of the cavity columns are identical, enabling the limiting rod to be inserted into the limiting holes on the limiting blocks on the original sub-templates abutted against the reinforcing steel bars of the cavity columns and the sub-templates abutted against the reinforcing steel bars of the ground from top to bottom, and then driving the fixing devices corresponding to the sub-templates abutted against the side walls of the cavity columns to move downwards, at the moment, enabling the limiting rod to be inserted into the limiting holes on all the limiting blocks on the same side of the cavity columns, enclosing a pouring space between the total template of the two fixing mechanisms, the cavity columns and the ground, and pouring concrete from the upper end of the cavity columns to form an integral pouring with the ground of the cast-in place concrete.
The driving structure further comprises a worm, the worm is rotatably arranged on the fixed ring, one end of the worm is coaxially fixed with a rotating column, the rotating column is in a hexagonal prism shape, the side wall of the rotating ring is provided with matching teeth, and the worm is meshed with the matching teeth. The operation worker twists the rotating column through the spanner to drive the worm to rotate, and the worm drives the swivel to rotate through the matched teeth.
Further, a supporting leg is arranged between the lowest fixed ring of the fixed mechanism corresponding to the ground and the ground.
The support leg comprises an upper rod and a lower rod, wherein the upper rod is in threaded connection with the fixing ring, the lower rod is arranged below the upper rod, the lower end of the lower rod is in butt joint with the ground, a threaded support cylinder is arranged between the upper rod and the lower rod, and the threaded support cylinder is in threaded connection with the upper rod and in threaded connection with the lower rod. The length of the supporting leg is adjusted according to the leveling condition of the ground so as to support the fixed ring.
And when the assembly is carried out, the flanges of the adjacent total templates are matched with the grooves, so that the connection tightness degree between the adjacent total templates is improved.
Further, a pull ring is fixed on the lowest fixed ring. When the mold is required to be disassembled, the parting plate is far away from the cavity column, then the pull ring is hung by the hanging hook, and the mold is disassembled by hanging on the hanging machine.
Further, the movable plate is connected with the sub-templates in a sliding way through sliding rails.
Further, the sliding convex is rotationally connected with the moving plate, and the side wall, which is abutted with the rectangular block and the rectangular groove, is provided with a ball.
The invention has the beneficial effects that 1, the adjusting component drives the sliding end of the sub-template to slide along the length direction of the adjacent sub-template, so as to adjust the size of a rectangular cylinder enclosed by the four sub-templates according to the size of the cavity column, and realize the adaptation of the cavity columns with different section sizes.
2. The cavity column is hung above the ground steel bars, and the four limiting rods are only required to be inserted into the limiting holes on the limiting blocks of the parting plates which are in butt joint with the steel bars of the cavity column, so that the alignment and positioning work of the steel bars of the cavity column and the ground steel bars can be completed, the alignment and positioning of workers are facilitated, and the installation efficiency is improved.
3. And the straight thread sleeve on the reinforcing steel bar on the ground is rotated, so that the straight thread sleeve is in threaded connection with the thread column on the reinforcing steel bar of the cavity column, and the rotation of the straight thread sleeve is stopped when the straight thread sleeve is abutted with the lowest parting plate of the fixing mechanism above, the screwing depth of the straight thread sleeve is determined in an auxiliary manner, and the efficiency of manually installing the cavity column is improved.
4. Compared with the traditional pouring template, the pouring template is firmly supported with the ground through the stay bar or the pull rod, and the pouring template is supported in an auxiliary mode through the fixing ring, so that the pouring template is integrally fixed without arranging the extra stay bar or the pull rod.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a UHPC cavity column cast-in-place form of the present invention;
FIG. 2 is a side view of an embodiment of a UHPC cavity column cast in place form of the present invention;
FIG. 3 is a cross-sectional view at A-A in FIG. 2;
FIG. 4 is a state diagram of a UHPC cavity column of the present invention when a casting space is defined between the ground and the total formwork of two fixing mechanisms of the cast-in-place formwork;
FIG. 5 is a schematic illustration of a fixture of an embodiment of a UHPC cavity column cast-in-place form of the present invention;
FIG. 6 is a schematic illustration of another angle of the fixture of an embodiment of a UHPC cavity column cast-in-place form of the present invention;
FIG. 7 is a side view of a fixture of an embodiment of a UHPC cavity column cast in place form of the present invention;
FIG. 8 is a cross-sectional view at B-B in FIG. 7;
FIG. 9 is a cross-sectional view taken at C-C of FIG. 7;
fig. 10 is an enlarged view of D in fig. 9;
FIG. 11 is a schematic illustration of a split template enclosed by an embodiment of a cast-in-place template for a UHPC cavity column of the present invention;
Fig. 12 is a state diagram of an embodiment of a cast-in-place form for a UHPC cavity column of the present invention with the partial forms in proximity to each other.
In the figure, 100 parts of cavity column, 200 parts of ground, 300 parts of fixing ring, 310 parts of rectangular groove, 320 parts of supporting leg, 330 parts of pull ring, 340 parts of sliding rail, 400 parts of parting plate, 410 parts of sliding column, 420 parts of limiting block, 430 parts of limiting rod, 500 parts of rotating ring, 510 parts of chute, 600 parts of moving plate, 610 parts of rectangular block, 620 parts of sliding protrusion, 700 parts of worm.
Detailed Description
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
An embodiment of a cast-in-place formwork for a UHPC cavity column of the present invention is shown in figures 1-12, and comprises a fixing mechanism and a limit rod 430. The fixing mechanisms are arranged in a vertical mode, the two fixing mechanisms are distributed up and down, the upper fixing mechanism corresponds to the cavity column 100, the lower fixing mechanism corresponds to the ground 200 of the cast-in-place concrete, the fixing mechanisms comprise a plurality of fixing devices distributed up and down, each fixing device comprises a fixing ring 300, a sub-template 400 and an adjusting assembly, and the fixing rings 300 and the cavity column 100 are coaxially arranged.
The sub-templates 400 are provided with four sub-templates 400 which are distributed in the fixed ring 300, the four sub-templates 400 are enclosed into a rectangular cylinder coaxial with the fixed ring 300, the sub-templates 400 of adjacent fixing devices in the same fixing mechanism are abutted to form a total template, and the sub-templates 400 of the lowest fixing device in the lower fixing mechanism are abutted to the ground 200.
The length direction of the sub-templates 400 is extended along the horizontal direction, one end is set as a sliding end, the other end is set as a connecting end, the sliding end of the sub-templates 400 is abutted against the side wall of the adjacent sub-templates 400 close to the axis of the fixed ring 300, a sliding component is arranged between the connecting end of the sub-templates 400 and the sliding end of the adjacent sub-templates 400, the sliding component is used for enabling the sliding end of the sub-templates 400 to be in sliding connection with the adjacent sub-templates 400 along the length direction of the adjacent sub-templates 400, the sliding component comprises a sliding column 410, the axis of the sliding column 410 is set along the length direction of the sub-templates 400, the sliding column 410 is arranged at the connecting end of the sub-templates 400 and is positioned on the side wall of the sub-templates 400 abutted against the sliding end of the adjacent sub-templates 400, the sliding column 410 is fixedly connected with the connecting end of the sub-templates 400 through the connecting plate, and the sliding column 410 is in sliding fit with the sliding end of the adjacent sub-templates 400. A limiting block 420 is fixed on one side of the sub-template 400 away from the axis of the fixed ring 300, and a limiting hole is arranged on the limiting block 420.
The adjusting component is arranged between the fixed ring 300 and the sub-templates 400, the sliding ends of the sub-templates 400 are driven by the adjusting component to slide along the length direction of the adjacent sub-templates 400, so that the size of a rectangular cylinder enclosed by the four sub-templates 400 is adjusted according to the size of the cavity column 100, and the cavity column 100 with different cross-section sizes is adapted. The adjusting assembly comprises a rotating ring 500, a moving plate 600 and a driving structure, wherein the rotating ring 500 is coaxially and rotatably arranged on the lower end face of a fixed ring 300, four inclined grooves 510 which are inclined relative to the rotating ring 500 in the radial direction are annularly distributed on the rotating ring 500, four rectangular grooves 310 which extend along the radial direction of the fixed ring 300 are annularly distributed on the fixed ring 300, four moving plates 600 are annularly distributed between the rotating ring 500 and the fixed ring 300, rectangular blocks 610 are fixed on the upper end face of the moving plate 600, the rectangular blocks 610 are in sliding fit with the rectangular grooves 310, sliding protrusions 620 are fixed on the lower end face of the moving plate 600, the sliding protrusions 620 are in sliding fit with the inclined grooves 510, each moving plate 600 corresponds to one sub-template 400, the moving plate 600 is in sliding fit with the corresponding sub-template 400 in the length direction of the sub-template 400, and the driving structure is used for driving the rotating ring 500 to rotate, and driving the moving plate 600 to slide along the radial direction of the fixed ring 300 under the matching of the inclined grooves 510 and the rectangular grooves 310. The moving plate 600 and the sub-mold plate 400 are slidably connected by the slide rail 340. The sliding protrusion 620 is rotatably connected with the moving plate 600, and balls are provided on the side walls of the rectangular block 610 abutting against the rectangular groove 310. The driving structure comprises a worm 700, wherein the worm 700 is rotatably arranged on the fixed ring 300, one end of the worm 700 is coaxially fixed with a rotating column, the rotating column is in a hexagonal prism shape, matching teeth are arranged on the side wall of the rotating ring 500, and the worm 700 is meshed with the matching teeth. The operator twists the rotation column through the spanner to drive the worm 700 to rotate, the worm 700 drives the swivel 500 to rotate through the matched teeth, under the cooperation of the chute 510 and the rectangular slot 310, the movable plate 600 is driven to slide along the radial direction of the fixed ring 300, and the movable plate 600 drives the sub-templates 400 to move synchronously, so that the synchronous approaching or separating of the four sub-templates 400 of the fixing device is realized.
The four limit rods 430 are distributed in the fixed ring 300 in a ring shape, the limit rods 430 are vertically arranged and are in sliding fit with the limit holes, before the sub-templates 400 of the plurality of fixing devices are driven to move, the limit rods 430 are pulled out of the limit holes, and when the sub-templates 400 of the plurality of fixing devices are sequentially moved by the same distance from top to bottom, the limit rods 430 are sequentially inserted into the limit holes of the moved sub-templates 400 from top to bottom. When the fixing device is used, firstly, the total templates of the fixing devices positioned above in the fixing devices above are sleeved on the cavity column 100, the sub-templates 400 are driven to be close to each other and abut against the side wall of the cavity column 100 through the corresponding adjusting components, the total templates of the fixing devices positioned below in the fixing devices above are sleeved on the outer sides of the steel bars at the lower end of the cavity column 100, the sub-templates 400 are driven to be close to each other and abut against the steel bars of the cavity column 100 through the corresponding adjusting components, the fixing devices of the fixing devices below are sleeved on the outer sides of the steel bars on the ground 200, the sub-templates 400 are driven to be close to each other and abut against the steel bars of the ground 200 through the corresponding adjusting components, and then the limiting rods 430 are vertically inserted into the corresponding limiting holes of the fixing devices below. And secondly, hanging the cavity column 100 above the steel bars of the ground 200, and only inserting four limiting rods 430 into limiting holes on limiting blocks 420 of a sub-template 400 which are abutted with the steel bars of the cavity column 100, so that the alignment and positioning work of the steel bars of the cavity column 100 and the steel bars of the ground 200 can be completed. And thirdly, rotating the straight thread sleeve on the steel bar of the ground 200 to enable the straight thread sleeve to be in threaded connection with the thread column on the steel bar of the cavity column 100, and stopping rotating the straight thread sleeve when the straight thread sleeve is abutted with the lowest parting plate 400 of the upper fixing mechanism, so as to assist in determining the screwing depth of the straight thread sleeve and improve the efficiency of manually operating the cavity column 100. after this step, the limit lever 430 is withdrawn from the limit hole. Fourth, the limiting rod 430 is inserted into the limiting holes on the limiting block 420 of the sub-template 400 abutted against the side wall of the cavity column 100 again, then the sub-template 400 abutted against the reinforcing steel bar of the cavity column 100 and the sub-template 400 abutted against the reinforcing steel bar of the ground 200 are driven to be mutually far away from each other from top to bottom through the corresponding adjusting components, so that when the size of the total template enclosed by the sub-template 400 abutted against the reinforcing steel bar of the cavity column 100 and the sub-template 400 abutted against the reinforcing steel bar of the ground 200 is the same as the size of the cavity column 100, the limiting rod 430 is further moved downwards, the limiting holes on the limiting blocks 420 of the original sub-template 400 abutted against the reinforcing steel bar of the cavity column 100 and the limiting blocks 420 abutted against the reinforcing steel bar of the ground 200 are sequentially inserted from top to bottom, then the fixing devices corresponding to the sub-template 400 abutted against the side wall of the cavity column 100 are driven to move downwards, and at this time, the limiting rod 430 is inserted into the limiting holes on all limiting blocks 420 on the same side of the cavity column 100, and the total templates of two fixing mechanisms are moved downwards, A casting space is defined between the cavity column 100 and the ground 200, concrete is cast from the upper end of the cavity column 100, and the cavity column 100 and the ground 200 of cast-in-place concrete are integrated.
In the present embodiment, a leg 320 is provided between the lowermost fixing ring 300 of the fixing mechanism corresponding to the ground 200 and the ground 200. The supporting leg 320 comprises an upper rod and a lower rod, wherein the upper rod is in threaded connection with the fixing ring 300, the lower rod is arranged below the upper rod, the lower end of the lower rod is in butt joint with the ground 200, a threaded supporting cylinder is arranged between the upper rod and the lower rod, and the threaded supporting cylinder is in threaded connection with the upper rod and in threaded connection with the lower rod. The length of the leg 320 is adjusted according to the flatness of the ground 200 to support the fixing ring 300.
In the embodiment, the upper end of the main template is provided with the groove, and the lower end of the main template is provided with the flange, and when the assembly is carried out, the flange of the adjacent main template is matched with the groove, so that the connection tightness degree between the adjacent main templates is improved. A pull ring 330 is fixed to the lowermost fixing ring 300. When the demolding is required, the split mold 400 is separated from the cavity column 100, and then the pull ring 330 is hung by a hanger, and the demolding is performed by hanging by a crane.
In combination with the above embodiment, the use principle and working process of the present invention are that, in the first step, the total form of the upper fixing device among the plurality of fixing devices of the upper fixing mechanism is sleeved on the cavity column 100, the sub forms 400 are driven to approach each other and abut against the side wall of the cavity column 100 by the corresponding adjusting components, the total form of the lower fixing device among the plurality of fixing devices of the upper fixing mechanism is sleeved on the outer side of the steel bar at the lower end of the cavity column 100, the sub forms 400 are driven to approach each other and abut against the steel bar of the cavity column 100 by the corresponding adjusting components, the plurality of fixing devices of the lower fixing mechanism are sleeved on the outer side of the steel bar on the ground 200, the sub forms 400 are driven to approach each other and abut against the steel bar of the ground 200 by the corresponding adjusting components, and then the limiting rod 430 is vertically inserted into the corresponding limiting hole of the lower fixing mechanism.
And secondly, hanging the cavity column 100 above the steel bars of the ground 200, and only inserting four limiting rods 430 into limiting holes on limiting blocks 420 of a sub-template 400 which are abutted with the steel bars of the cavity column 100, so that the alignment and positioning work of the steel bars of the cavity column 100 and the steel bars of the ground 200 can be completed. And thirdly, rotating the straight thread sleeve on the steel bar of the ground 200 to enable the straight thread sleeve to be in threaded connection with the thread column on the steel bar of the cavity column 100, and stopping rotating the straight thread sleeve when the straight thread sleeve is abutted with the lowest parting plate 400 of the upper fixing mechanism, so as to assist in determining the screwing depth of the straight thread sleeve and improve the efficiency of manually operating the cavity column 100. After this step, the limit lever 430 is withdrawn from the limit hole.
Fourth, the limiting rod 430 is inserted into the limiting holes on the limiting block 420 of the sub-template 400 abutting against the side wall of the cavity column 100 again, then, the sub-template 400 abutting against the reinforcing steel bar of the cavity column 100 and the sub-template 400 abutting against the reinforcing steel bar of the ground 200 are driven to be far away from each other from top to bottom through the corresponding adjusting components, so that when the size of the total template enclosed by the sub-template 400 abutting against the reinforcing steel bar of the cavity column 100 and the size of the cavity column 100 is the same, the limiting rod 430 is further moved downwards, the limiting holes on the limiting blocks 400 abutting against the reinforcing steel bar of the cavity column 100 and the limiting blocks 420 abutting against the reinforcing steel bar of the ground 200 are sequentially inserted from top to bottom, then, the fixing devices corresponding to the limiting blocks 400 abutting against the side wall of the cavity column 100 are driven to move downwards, at this time, the limiting rod 430 is inserted into the limiting holes on all the limiting blocks 420 on the same side of the cavity column 100, a casting space is formed between the total template of the two fixing mechanisms, the cavity column 100 and the ground 200, and concrete is cast into a casting whole from the upper end of the cavity column 100 and the cast-in-place column 200. When the demolding is required, the split mold 400 is separated from the cavity column 100, and then the pull ring 330 is hung by a hanger, and the demolding is performed by hanging by a crane. When the ground 200 supports a local fracture area, and therefore part of the supporting legs 320 cannot contact the ground 200, one end of the steel wire rope can be used for fixing the pull ring 330, and the other end of the steel wire rope is fixed on the ground 200, so that balance is achieved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511485057.XA CN120946091B (en) | 2025-10-17 | 2025-10-17 | A formwork for in-situ casting of UHPC hollow columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511485057.XA CN120946091B (en) | 2025-10-17 | 2025-10-17 | A formwork for in-situ casting of UHPC hollow columns |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120946091A CN120946091A (en) | 2025-11-14 |
| CN120946091B true CN120946091B (en) | 2026-01-30 |
Family
ID=97608048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202511485057.XA Active CN120946091B (en) | 2025-10-17 | 2025-10-17 | A formwork for in-situ casting of UHPC hollow columns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN120946091B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010031577A (en) * | 2008-07-30 | 2010-02-12 | Kajima Corp | Form of panel zone |
| CN109518949A (en) * | 2018-11-22 | 2019-03-26 | 董佑军 | A kind of working pouring frame fixed form structure of civil construction project |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941429B (en) * | 2022-06-13 | 2023-04-25 | 中建二局第二建筑工程有限公司 | Hoop device for indoor skifield frame column arrangement construction |
| CN117027376B (en) * | 2023-09-01 | 2024-03-08 | 成都建工集团有限公司 | Concrete pouring template with adjustable rapid reinforcement component and method |
| CN119711743A (en) * | 2024-12-16 | 2025-03-28 | 中铁上海工程局集团华南市政建设有限公司 | Reinforcing apparatus suitable for multi-size column template |
-
2025
- 2025-10-17 CN CN202511485057.XA patent/CN120946091B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010031577A (en) * | 2008-07-30 | 2010-02-12 | Kajima Corp | Form of panel zone |
| CN109518949A (en) * | 2018-11-22 | 2019-03-26 | 董佑军 | A kind of working pouring frame fixed form structure of civil construction project |
Also Published As
| Publication number | Publication date |
|---|---|
| CN120946091A (en) | 2025-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115369748B (en) | Formwork system construction method for integrated casting of bridge piers and tie beams | |
| CN103806644B (en) | For electrical lift shaft form hydraulic telescopic device and operation method thereof | |
| CN110039641A (en) | Precast stair shaping mould and application method | |
| CN112112154B (en) | A kind of prefabricated steel cage quick docking device and construction method thereof | |
| CN106639307A (en) | Formwork system for rectangular stand column pouring | |
| CN115949006A (en) | Concrete pouring construction method for tower column | |
| CN120946091B (en) | A formwork for in-situ casting of UHPC hollow columns | |
| CN111910923A (en) | Integral hoisting type hoisting platform | |
| CN208009891U (en) | Assembled template for elevator | |
| CN110145123A (en) | A building formwork support device | |
| KR20120122790A (en) | Apparatus for forming underground dome structure by oil pressure type lift and constructing method using the same | |
| CN114382284A (en) | An elevator shaft formwork system and its operation method | |
| CN219486059U (en) | Assembled prefabricated building stair mould platform | |
| CN111058620A (en) | A formwork support device for construction | |
| CN213418468U (en) | Device for pouring concrete into high-rise building supporting and hanging formwork | |
| CN112627486B (en) | Cement preheater tower structure climbing construction equipment | |
| CN115559525A (en) | Formwork supporting system for irregular rotating structure and construction method thereof | |
| CN209308070U (en) | A sliding formwork support frame | |
| CN117364797B (en) | Bottom-up hole digging foundation assembly type retaining wall construction method | |
| CN222120289U (en) | A caisson core mold rapid support and dismantling device | |
| CN220166684U (en) | Bridge deck construction formwork support device | |
| CN218053230U (en) | A high-strength pipe pile steel formwork | |
| CN215920858U (en) | Concrete tubular pile casting molding device | |
| CN222294987U (en) | A movable automatic demoulding platform device with connecting beam | |
| CN217871356U (en) | Prefabricated part and mould and connection structure thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |