CN214885514U - Civil air defense threshold beam template construction structures - Google Patents
Civil air defense threshold beam template construction structures Download PDFInfo
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- CN214885514U CN214885514U CN202121097529.1U CN202121097529U CN214885514U CN 214885514 U CN214885514 U CN 214885514U CN 202121097529 U CN202121097529 U CN 202121097529U CN 214885514 U CN214885514 U CN 214885514U
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Abstract
The utility model relates to a people's air defense doorsill beam template construction structures relates to people's air defense building structure field. The civil air defense doorsill beam template construction structure comprises a first template, a second template, a reinforcing opposite-pulling unit, a scraping block and a stop block; the second template and the first template are correspondingly detachably connected together through fastening bolts to form a rectangular positioning frame matched with the civil air defense sill beam to be constructed; consolidate and to drawing the unit including two splint to and two sets of to drawing the screw rod, the splint height in splint centering is higher than the height of first template, two splint to lieing in the first template outside that corresponds respectively and lean on with the first template top that corresponds, to drawing the screw rod and being used for with two splint that correspond to fixed connection in order to press from both sides tight first template, scrape flat piece and the equal sliding assembly of dog between two first templates, scrape the bottom surface of flat piece and the top surface parallel and level of second template, scrape the top surface of flat piece and the top surface parallel and level of first template. People's air defense threshold roof beam template construction structures can effectively guarantee to pour the people's air defense threshold roof beam quality after the shaping.
Description
Technical Field
The utility model relates to a people's air defense building structure technical field especially relates to a people's air defense doorsill beam template construction structures.
Background
The civil air defense threshold beam is a key control part of the civil air defense project, is related to the installation of the civil air defense door and the acceptance of the main structure of the civil air defense project, well controls the quality of the civil air defense threshold beam of the civil air defense project, and has important significance for accelerating the construction progress, reducing the post processing and reforming and even reworking.
In the civil air defense engineering construction site, when the constructed civil air defense sill beam is received, the conditions of mold expansion, honeycomb and pitted surface of part of the civil air defense sill beam often occur, so that the concrete impression of the civil air defense sill beam is poor; in addition, the section size of partial threshold roof beam concrete exceeds the error range through on-site actual measurement, and these are all the construction quality defects of threshold roof beam. When factors causing the construction quality defect of the sill beam are carefully checked, the sill beam template of a large part of civil air defense sill beams with the quality defect is found to be seriously deformed, and the sill beam template has an obvious loosening phenomenon; the elevation of the sill beam template of the civil air defense sill beam with a large part of quality defects is lower and lower than the design requirements of drawings, so that the phenomenon of insufficient section size in later concrete pouring is caused.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a people's air defense threshold beam form construction structures is guaranteeing under the firm condition of threshold beam form, improves the size of threshold beam form to guarantee the construction quality of final fashioned people's air defense threshold roof beam.
In order to achieve the above object, the utility model adopts the following technical scheme:
people's air defense threshold roof beam template construction structures includes:
the first template extends along the length direction of the civil air defense threshold beam, two first templates are arranged in parallel at intervals in the width direction of the civil air defense threshold beam, the height of the first template is greater than the designed elevation of the civil air defense threshold beam, the distance between the two first templates is equal to the width of the civil air defense threshold beam, and the first templates are used for being inserted on positioning ribs arranged on a raft foundation;
the second template extends along the width direction of the civil air defense threshold beam, two second templates are arranged in parallel at intervals in the length direction of the civil air defense threshold beam, the distance between the two second templates is equal to the length of the civil air defense threshold beam, the height of each second template is equal to the designed elevation of the civil air defense threshold beam, and the second templates and the first templates are correspondingly detachably connected together to form a rectangular positioning frame matched with the civil air defense threshold beam to be constructed;
the reinforcing split unit comprises two clamp plate pairs and two groups of split screws, the height of the clamp plate in the clamp plate pairs is higher than that of the first template, the two clamp plate pairs are respectively positioned on the outer side of the corresponding first template and are abutted against the corresponding first template, a gap matched with the diameter of the screw of the split screw is formed between the two clamp plates in the clamp plate pairs in the extending direction of the first template, the two groups of split screws are arranged in parallel up and down at intervals and are respectively a first split screw and a second split screw, the first split screw is positioned above the first template, a threaded rod of the first split screw simultaneously penetrates through the gap in the two clamp plate pairs, a nut of the first split screw is in blocking fit with each clamp plate in the extending direction of the second template, and a threaded rod of the second split screw simultaneously penetrates through the gaps in the first template and the two clamp plate pairs, nuts of the second pair of pull screw rods are in stop fit with the clamping plates in the extending direction of the second template;
the scraping block is assembled between the two first templates in a sliding mode, the bottom surface of the scraping block is flush with the top surface of the second template, the top surface of the scraping block is flush with the top surfaces of the first templates, and when the scraping block moves along the extending direction of the first templates, concrete higher than the second template is scraped off;
the stop block is assembled between the two first templates in a sliding mode and is arranged opposite to the scraping block, the size of the stop block is the same as that of the scraping block, and the stop block can be separated from the first templates when sliding along the extending direction of the first templates.
The beneficial effects of the above technical scheme are: the utility model discloses a civil air defense threshold roof beam template construction structures carries out twice reinforcement to the rectangle positioning frame that first template and second template enclose, consolidate rectangle positioning frame through the mode of fixing between split screw and the splint, can avoid appearing the bloated mould phenomenon on the one hand, on the other hand consolidates the template, the condition that the template takes place to warp easily has also been avoided, just so reduce the honeycomb that appears after the concrete placement shaping, phenomenons such as pitted surface, the shaping quality of concrete has been improved, the impression of concrete has been guaranteed. In addition, when the pouring concrete is constructed, the pouring height of the concrete is parallel and level to the upper surface of the first template, namely, the amount of the concrete poured in advance is large, the surplus concrete on the upper portion is guaranteed, the scraping block is pushed to push the surplus concrete after pouring, the size of the template is reasonably increased, the condition that the size of the section of the concrete pouring and forming is insufficient is effectively guaranteed, and the quality of the sill beam after pouring and forming is finally guaranteed.
Further, the cross-section of first template is the U font, including vertical plate section and the horizontal plate section of connecting both ends about vertical plate section, the horizontal plate section that is in the below is used for the cartridge on the location muscle that raft foundation set up, the upper surface of the horizontal plate section that is in the top and the upper surface parallel and level of scraping flat piece and dog are equipped with long spout on the vertical plate section, all be equipped with on scraping flat piece and the dog with long spout sliding fit's traveller.
Has the advantages that: the scraping block and the stop block can be conveniently installed and moved, local materials can be conveniently obtained according to the shape of the first template, and cost is saved.
Furthermore, threaded holes in one-to-one correspondence are formed in the second template and the vertical plate section, and the second template and the vertical plate section are detachably connected together through fastening bolts in threaded fit with the threaded holes.
Has the advantages that: make things convenient for the installation and the dismantlement of first template and second template, can also guarantee the firm of being connected between first template and the second template simultaneously.
Furthermore, a handle is arranged on the leveling block.
Has the advantages that: the scraper is convenient for constructors to push the scraper block, and labor is saved.
Further, the second pair of pulling screws are water screws.
Has the advantages that: after the pouring is finished, the part of the second pair of pull screw rods, which is positioned in the concrete, is not taken out any more, so that the structural strength of the civil air defense sill beam can be further enhanced.
Drawings
FIG. 1 is a front view of the civil air defense threshold beam formwork construction structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a top view of the civil air defense threshold beam formwork construction structure of the present invention;
figure 4 is the utility model discloses a civil air defense threshold beam template construction structures's side view (not installing and strickle and dog).
Description of reference numerals: 1-a first template, 2-a second template, 3-a scraping block, 4-a stop block, 5-a clamping plate, 6-a first pair of pulling screws, 7-a second pair of pulling screws, 8-a fastening bolt, 9-a long chute, 10-a sliding column, 11-a positioning rib, 12-a handle, 13-a nut, 14-a threaded rod, 15-a civil air defense sill beam and 16-a vertical plate section.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a civil air defense threshold beam template construction structures's concrete embodiment:
as shown in fig. 1, 2, 3 and 4, the civil air defense sill template construction structure includes a first template, a second template, a reinforcing counter-pulling unit, a scraping block and a stopper.
Specifically, as shown in fig. 2 and 3, the first formwork 1 extends along the length direction of the civil air defense threshold beam 15, and two first formworks are arranged in parallel at intervals in the width direction of the civil air defense threshold beam 15, the height of the first formwork 1 is larger than the designed elevation of the civil air defense threshold beam 15, and the distance between the two first formworks 1 is equal to the width of the civil air defense threshold beam 15. The cross-section of the first template 1 is U-shaped, which comprises a vertical plate section 16 and horizontal plate sections connected with the upper end and the lower end of the vertical plate section 16, and the horizontal plate section at the lower part is used for being inserted into the positioning ribs 11 arranged on the raft foundation so as to position the first template 1.
The scraping block 3 is assembled between the two first templates 1 in a sliding mode, the bottom surface of the scraping block 3 is flush with the top surface of the second template 2, the top surface of the scraping block 3 is flush with the top surface of the first template 1, and when the scraping block 3 moves in the extending direction of the first template 3, concrete higher than the second template 2 is scraped. Referring specifically to fig. 4, a long chute 9 is provided on the vertical plate section 16, and the long chute 9 extends along the extending direction of the first formwork 1 and penetrates through the first formwork 1. The two ends of the scraping block 3 are respectively provided with a sliding column 10 which is in sliding fit with the long sliding chute 9, so that the scraping block can move back and forth along the extending direction of the first template 1. To facilitate the movement of the screed block 3, a handle 12 is provided at the top of the screed block 3.
The stop 4 is of the same construction as the strike-off block 3 and is also slidably mounted between the first formworks 1. The bottom surface of the stopper 4 is flush with the top surface of the second die plate 2, the top surface of the stopper 4 is flush with the top surface of the first die plate 1, and the stopper 4 can be detached from the first die plate 1 when sliding in the extending direction of the first die plate 1. The stop block 4 is used for blocking concrete when the concrete is poured, so that the concrete can only be poured between the scraping block 3 and the stop block 4 and is not easy to spill out from the stop block 4.
In this embodiment, four reinforcing counter-pulling units are provided at intervals along the extending direction of the first formwork 1. The reinforcing opposite-pulling unit comprises two clamping plate pairs and two sets of opposite-pulling screw rods, the height of the clamping plate 5 in the clamping plate pair is higher than that of the first template 1, the two clamping plate pairs are respectively positioned on the outer sides of the corresponding first templates 1 and abut against the corresponding first templates 1, and a gap matched with the diameter of the screw rods of the opposite-pulling screw rods is formed between the two clamping plates 5 in the clamping plate pair in the extending direction of the first templates 1. The two groups of opposite pull screw rods are arranged in parallel at intervals from top to bottom and are respectively a first opposite pull screw rod 6 and a second opposite pull screw rod 7. The first pair of pull screws 6 is located above the first form 1, the threaded rods 14 of the first pair of pull screws 6 simultaneously pass through the gaps between the two clamp plate pairs and the nuts 13 of the first pair of pull screws 6 are in stop fit with the clamp plates 5 in the extending direction of the second form 2. The threaded rods of the second pair of pull screw rods 7 simultaneously penetrate through the gaps between the two first templates 1 and the two clamping plate pairs, and the nuts of the second pair of pull screw rods 7 are matched with the clamping plates 5 in a blocking mode in the extending direction of the second template 2. In this embodiment, the second counter-pulling screw is a water stopping screw, and after the concrete is poured, the part of the water stopping screw in the concrete is not pulled out, and the part of the water stopping screw outside the concrete is cut off, so as to ensure the structural strength of the civil air defense sill beam.
After each template and reinforcement counter-pulling unit and scraping block and stop block are installed, concrete pouring can be carried out in the stop block, the space between the scraping block and the two first templates, and the concrete pouring is carried out to the top surface parallel and level with the first templates. During construction, the civil air defense door frame is pre-embedded and then poured with the raft plate at the same time, and the phenomenon of hollowing caused by the fact that concrete cannot be in place due to large density of steel bars during pouring with a wall body is avoided. And (3) erecting a template on the wall, and chiseling the joint position of the threshold beam to ensure the combination of new and old concrete. The construction process is strictly controlled during concrete vibration, and the vibration is reinforced by pouring in layers. After concrete pouring is finished, the stop block slides out of the first template, the handle is pushed, the scraping plate is moved, concrete higher than the top surface of the second template is scraped, the scraping plate is moved out simultaneously, and concrete forming is waited.
The utility model discloses a civil air defense threshold roof beam template construction structures carries out twice reinforcement to the rectangle positioning frame that first template and second template enclose, consolidate rectangle positioning frame through the mode of fixing between split screw and the splint, can avoid appearing the bloated mould phenomenon on the one hand, on the other hand consolidates the template, the condition that the template takes place to warp easily has also been avoided, just so reduce the honeycomb that appears after the concrete placement shaping, phenomenons such as pitted surface, the shaping quality of concrete has been improved, the impression of concrete has been guaranteed. In addition, when the pouring concrete is constructed, the pouring height of the concrete is parallel and level to the upper surface of the first template, namely, the amount of the concrete poured in advance is large, the surplus concrete on the upper portion is guaranteed, the scraping block is pushed to push the surplus concrete after pouring, the size of the template is reasonably increased, the condition that the size of the section of the concrete pouring and forming is insufficient is effectively guaranteed, and the quality of the sill beam after pouring and forming is finally guaranteed.
In other embodiments, the first template and the second template can be detachably connected together in an interference insertion mode.
In other embodiments, a push rod can be hinged on the scraping block, and the scraping block is pushed to move by the push rod.
In other embodiments, the first counter screw and the second counter screw may be common counter screws, the second counter screw is drawn out after the concrete building is completed, and the holes in the formed civil air defense threshold beam are filled with concrete in a hole filling manner.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. People's air defense threshold roof beam template construction structures, its characterized in that includes:
the first template extends along the length direction of the civil air defense threshold beam, two first templates are arranged in parallel at intervals in the width direction of the civil air defense threshold beam, the height of the first template is greater than the designed elevation of the civil air defense threshold beam, the distance between the two first templates is equal to the width of the civil air defense threshold beam, and the first templates are used for being inserted on positioning ribs arranged on a raft foundation;
the second template extends along the width direction of the civil air defense threshold beam, two second templates are arranged in parallel at intervals in the length direction of the civil air defense threshold beam, the distance between the two second templates is equal to the length of the civil air defense threshold beam, the height of each second template is equal to the designed elevation of the civil air defense threshold beam, and the second templates and the first templates are correspondingly detachably connected together to form a rectangular positioning frame matched with the civil air defense threshold beam to be constructed;
the reinforcing split unit comprises two clamp plate pairs and two groups of split screws, the height of the clamp plate in the clamp plate pairs is higher than that of the first template, the two clamp plate pairs are respectively positioned on the outer side of the corresponding first template and are abutted against the corresponding first template, a gap matched with the diameter of the screw of the split screw is formed between the two clamp plates in the clamp plate pairs in the extending direction of the first template, the two groups of split screws are arranged in parallel up and down at intervals and are respectively a first split screw and a second split screw, the first split screw is positioned above the first template, a threaded rod of the first split screw simultaneously penetrates through the gap in the two clamp plate pairs, a nut of the first split screw is in blocking fit with each clamp plate in the extending direction of the second template, and a threaded rod of the second split screw simultaneously penetrates through the gaps in the first template and the two clamp plate pairs, nuts of the second pair of pull screw rods are in stop fit with the clamping plates in the extending direction of the second template;
the scraping block is assembled between the two first templates in a sliding mode, the bottom surface of the scraping block is flush with the top surface of the second template, the top surface of the scraping block is flush with the top surfaces of the first templates, and when the scraping block moves along the extending direction of the first templates, concrete higher than the second template is scraped off;
the stop block is assembled between the two first templates in a sliding mode and is arranged opposite to the scraping block, the size of the stop block is the same as that of the scraping block, and the stop block can be separated from the first templates when sliding along the extending direction of the first templates.
2. The civil air defense threshold beam template construction structure of claim 1, characterized in that, the cross-section of first template is U-shaped, including vertical plate section and the horizontal plate section of connecting in vertical plate section upper and lower both ends, the horizontal plate section that is in the below is used for cartridge on the location muscle that raft foundation set up, the upper surface of the horizontal plate section that is in the top is parallel and level with the upper surface of scraping piece and dog, is equipped with long spout on the vertical plate section, all is equipped with the traveller with long spout sliding fit on scraping piece and the dog.
3. The civil air defense threshold beam template construction structure of claim 2, wherein the second template and the vertical plate section are provided with one-to-one corresponding threaded holes, and the second template and the vertical plate section are detachably connected together through fastening bolts in threaded fit with the threaded holes.
4. The civil air defense sill beam formwork construction structure of any one of claims 1 to 3, wherein a handle is provided on the scraping block.
5. The civil air defense sill beam formwork construction structure of any one of claims 1 to 3, wherein the second counter screw is a non-watertight screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121097529.1U CN214885514U (en) | 2021-05-21 | 2021-05-21 | Civil air defense threshold beam template construction structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121097529.1U CN214885514U (en) | 2021-05-21 | 2021-05-21 | Civil air defense threshold beam template construction structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214885514U true CN214885514U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121097529.1U Active CN214885514U (en) | 2021-05-21 | 2021-05-21 | Civil air defense threshold beam template construction structures |
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| CN (1) | CN214885514U (en) |
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2021
- 2021-05-21 CN CN202121097529.1U patent/CN214885514U/en active Active
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