CN212224700U - Turnover type post-cast strip protection cover plate - Google Patents
Turnover type post-cast strip protection cover plate Download PDFInfo
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- CN212224700U CN212224700U CN202020559377.1U CN202020559377U CN212224700U CN 212224700 U CN212224700 U CN 212224700U CN 202020559377 U CN202020559377 U CN 202020559377U CN 212224700 U CN212224700 U CN 212224700U
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Abstract
The utility model belongs to the field of post-cast strip construction of concrete structures, and discloses a turnover post-cast strip protective cover plate, which comprises an end cover plate X, a plurality of middle cover plates and an end cover plate Y which are connected in sequence; the middle section of the middle cover plate three-section structure is provided with a third vertical screw hole, the left section is a second convex connecting plate, and the right section is a second concave connecting plate; the side surface of the end cover plate X is of a two-section step structure with a level lower surface, and the low step section is a first concave connecting plate; the side surface of the end cover plate Y is of a two-section kitchen knife structure with a level upper surface, the knife handle section is a convex connecting plate II, the end cover plate X is connected with a convex connecting plate II of the middle cover plate in a clamped mode through a concave connecting plate I, and the end cover plate Y is connected with a concave connecting plate II of the middle cover plate in a clamped mode through the convex connecting plate II. Post-cast strip apron can adopt the batch production customization, and the steel apron bears dynamic height, wholeness and closure better, can guarantee personnel, construction machinery and pass through the security in post-cast strip to can realize the turnover and utilize.
Description
Technical Field
The utility model belongs to concrete structure post-cast strip construction field, concretely relates to can turnover post-cast strip protection apron.
Background
Most concrete structures are designed with one or more of a settlement post-cast strip, a temperature post-cast strip, and a telescopic post-cast strip. The post-cast strip steel bars, the frame body, the templates and the like are constructed along with the main body structure, after the structural conditions and the time conditions are met, concrete is poured, the time interval for pouring is long, if the post-cast strip protection is not noticed, the steel bars are rolled, damaged by striking and corroded by rainwater, wood chips and garbage sundries of the templates are difficult to clean up after entering the post-cast strip, edges of the main body structure concrete and the post-cast strip are easy to be subjected to edge missing and corner dropping, and a bottom mold of the post-cast strip is damaged. The traditional method for manufacturing the protective cover plate of the post-cast strip is that a leather machine red brick building block is built on two sides of the post-cast strip and is plastered, then the cover plate is manufactured and fixed on the building block by using a wood template and square wood, the building block is easy to damage after being exposed for a long time, and the leather machine red brick and the cover plate on two sides are dismantled when the post-cast strip is cast.
Disclosure of Invention
The utility model aims at realizing that the one-time preparation shaping of post-cast strip apron carries out the batch production, reaches the turnover utilization of post-cast strip apron.
The utility model adopts the following technical scheme:
a turnover type post-cast strip protective cover plate comprises an end cover plate X, a plurality of middle cover plates and an end cover plate Y which are sequentially connected;
the central cover plate is laterally (i.e. FIG. 8) shaped "
The middle section of the T-shaped three-section structure is provided with a third vertical screw hole, the left section of the T-shaped three-section structure is a second convex connecting plate, the lower surface of the second convex connecting plate is provided with a second clamping strip along the width direction of the middle cover plate, the right section of the T-shaped three-section structure is a second concave connecting plate, the upper surface of the second concave connecting plate is provided with a second reserved groove along the width direction of the middle cover plate, the lower surfaces of the middle section and the right section of the T-shaped two-section structure are symmetrically provided with a third two; a convex connecting plate II and a concave connecting plate II of two adjacent middle cover plates are connected with a reserved groove II in a matching way through a clamping strip II;
the side surface (namely figure 2) of the end cover plate X is of a two-section step structure with the lower surfaces being parallel and level, two groups of first angle steels are symmetrically arranged on the lower surfaces, openings of the two groups of first angle steels are inward and are arranged in a full-length mode along the length direction, a first vertical screw hole is formed in a high stage, a first reserved groove which is full-length is formed in the upper surface of a first concave connecting plate and the upper surface of a second concave connecting plate along the width direction in a low stage, and the first reserved groove of the end cover plate X is connected with a second clamping strip of a second;
the side surface (namely figure 5) of the end cover plate Y is a two-section kitchen knife structure with the upper surface being parallel and level, the knife body section is provided with a vertical screw hole II, the lower surface of the knife body section is symmetrically provided with two groups of angle steel II, the openings of the two groups of angle steel II are inward and are arranged along the length direction, the knife handle section is a convex connecting plate II, the lower surface is provided with a through-length clamping strip I along the width direction, and the clamping strip I of the end cover plate Y is matched and connected with a reserved groove II of a concave connecting plate II at the right section of an adjacent;
the width of the inner groove opening between the two groups of first angle steels, the width of the inner groove opening between the two groups of second angle steels and the width of the inner groove opening between the two groups of third angle steels are equal and are the same as the width of the post-cast strip.
The distances between the three outer vertical surfaces of the angle steel and the width edge of the middle cover plate, between the first angle steel and the X width edge of the end cover plate and between the second angle steel and the Y width edge of the end cover plate are the lap joint width of the cover plate and the concrete structure, and the lap joint width is not less than 50 mm.
The width of the first clamping strip and the width of the second clamping strip are equal and not less than 2mm, and the width of the first reserved groove/the second reserved groove is slightly larger than that of the first clamping strip/the second clamping strip.
The thickness of the first concave connecting plate, the thickness of the first convex connecting plate, the thickness of the second concave connecting plate and the thickness of the second convex connecting plate are equal and are not less than 5 mm.
And warning color bands are arranged on the top surfaces of the end cover plate X, the middle cover plate and the end cover plate Y.
The length of the middle cover plate is 1500 mm.
The traditional protection method of the post-cast strip is to build bricks on two sides of the post-cast strip and lay bamboo plywood, so that the wood is light and cannot resist rain corrosion. When the materials are transported in the construction process, the construction machinery usually needs to roll the bamboo plywood to pass through the post-pouring belt, the wood strength is low, and potential safety hazards exist. The durability of the wood is poor, the wood is easy to break, the tightness is poor, sundries such as sawdust and garbage often exist in the post-cast strip, the wood is easy to deform after being soaked in rainwater, and the rainwater is poured into the post-cast strip through wood gaps, so that reinforcing steel bars are corroded, and the engineering quality is affected. The bamboo plywood is used as a temporary cover plate, so that wood waste is serious, and the turnover performance and the safety are poor. Adopt steel post-cast strip apron after, can adopt batch production customization, the steel apron bears the weight of dynamic height, wholeness and closure better, can guarantee personnel, construction machinery and pass through the security in post-cast strip to can realize the turnover utilization, effectively protect the post-cast strip, improve post-cast strip construction quality, economic benefits is showing, is worth popularizing and applying.
Drawings
FIG. 1 is a plan view of the male connection cover plate (end cover plate X);
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a plan view of the construction of the female connection cover (tip cover Y);
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a cross-sectional view B-B of FIG. 4;
FIG. 7 is a plan view of the structure of the intermediate cover plate;
FIG. 8 is a cross-sectional view A-A of FIG. 7;
FIG. 9 is a cross-sectional view B-B of FIG. 7;
in the figure: 101-a screw hole I, 102-a concave connecting plate I, 103-a reserved groove I and 104-an angle steel I;
201-screw hole II, 202-convex connecting plate I, 203-clamping strip I and 204-angle steel II;
301-convex connecting plate II, 302-concave connecting plate II, 303-screw hole III, 304-clamping strip II, 305-preformed groove II and 306-angle steel III.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
the width of most post-cast strips in a concrete structure is 800mm, so that the width module of a turnover type post-cast strip protective cover plate is made to be 900mm (the two sides of the cover plate are overlapped with the concrete structure by 50 mm), the module of a post-cast strip end cover plate adopts the length of 1000 multiplied by the width of 900 multiplied by the thickness of 10mm, and the module is divided into two types, namely a convex connecting plate cover plate (named as a post-cast strip end cover plate X) as shown in figures 1-3; the other is a female web deck (named post-cast strip end deck Y) as shown in fig. 4-6. The basic modulus of the intermediate cover plate is 1500mm long by 900mm wide by 10mm thick as shown in fig. 7-9.
Steel post-cast strip protection apron adopt batch production, after the stamping forming, at surface spraying anti-rust paint to brush with a brush yellow black warning typewriter ribbon. Three kinds of apron are along width direction, and 150mm department sets up 10mm screw hole apart from the edge, all adopts the tower crane installation, during the installation, twists M10 prefabricated rings into the screw, and after the hoist and mount is rectified taking one's place, demolish rings, use polyurethane foam to closely the screw shutoff.
The cross section of the end cover plate X of the post-cast strip is shown in figures 2 and 3, two sides of the end cover plate X are overlapped with the main structure concrete along the length direction by 50mm, L20 multiplied by 20 multiplied by 3 angle steel I is welded at the position 50mm away from the edge in the width direction, the cover plate is clamped into the post-cast strip by utilizing the angle steel I, and the cover plate is prevented from moving horizontally. The end cover plate X is only provided with a concave tongue-and-groove connecting plate at one end, the length of the concave connecting plate is 50mm, the thickness of the concave connecting plate is 5mm, and a reserved groove I with the length of 3 multiplied by 3mm is arranged at a position 17mm away from the edge of the connecting plate, so that a clamping strip II on a convex connecting plate II of the next cover plate (namely an adjacent middle cover plate) is clamped into the reserved groove I, the cover plates are tightly connected, the cover plates are prevented from moving, and meanwhile, garbage, rainwater, dust and the like can be effectively prevented from entering a post.
Post-cast strip end caps Y are shown in sections 5 and 6. The difference between the end cover plate Y and the end cover plate X lies in a connecting plate, the end cover plate Y is only provided with a convex rabbet connecting plate at one end, the length of the convex connecting plate is 50mm, the thickness of the convex connecting plate is 5mm, and a 2 multiplied by 2mm convex clamping strip I is arranged at a position 30mm away from the edge of the connecting plate so as to be clamped into a reserved groove II of a concave connecting plate II of the upper cover plate (namely, an adjacent middle cover plate) to ensure that the cover plates are tightly connected.
The post-cast strip intermediate deck section is shown in fig. 8 and 9. Middle steel apron is along length direction and major structure concrete overlap joint 50mm, and width direction sets up the card strip two that height, width are 3mm, length are along with apron length apart from edge 50mm department, prevents that the apron from taking place the level to removing in post-cast strip width direction. The middle cover plate is provided with tongue-and-groove connecting plates at two ends along the length direction, namely a second convex connecting plate and a second concave connecting plate respectively, the length of each connecting plate is 50mm, the thickness of each connecting plate is 5mm, the second concave connecting plate is provided with a second 3 x 3mm reserved groove at a position 17mm away from the edge, the second convex connecting plate is provided with a second 2 x 2mm clamping strip at a position 30mm away from the edge, the second reserved groove is formed, the second clamping strip is usually arranged along the width direction, when the middle cover plates are connected, the second convex connecting plate of the next middle cover plate is spliced with the second concave connecting plate of the previous middle cover plate, and the second clamping strip is clamped into the second reserved groove of the upper middle cover plate, so that. When the turnover type post-cast strip cover plate is used, the end cover plate X is arranged from the end part of the post-cast strip, the convex connecting plate II of the middle cover plate is spliced with the concave connecting plate I of the end cover plate X, then the convex connecting plate II and the concave connecting plate I are sequentially spliced along the length direction of the post-cast strip and are clamped with each other, and finally the whole post-cast strip is protected by the end cover plate Y to form the cover plate seal head.
Use this utility information the notice of protection apron:
1. the turnover type steel post-cast strip protective cover plate is produced in a factory;
2. before the apron was installed, with apron and the lapped partial basic unit clearance of 50mm of concrete structure, paste two-sided sponge adhesive tape along the post-cast strip edge usually, the mortar layer of height 10mm, width 30mm is built by laying bricks or stones in the adhesive tape outside, adopts surveyor's level, draws the line control to pave the mortar and be unified elevation when sitting the thick liquid. The mortar has the following functions: firstly, water is prevented, and open water such as rainwater is prevented from entering a post-cast strip; leveling, and ensuring that the post-cast strip plate protective cover plates are tightly spliced with each other. And the cushion layer prevents the main structure concrete from being damaged when the steel cover plate is installed. The function of the sponge rubber is as follows: firstly, serving as a template to prevent mortar from entering a post-pouring zone; and secondly, a waterproof second barrier prevents water from flowing into the post-cast strip.
After the steel cover plate is installed in place, polyurethane foam rubber is injected into the screw hole immediately for sealing, and water, dust and the like are prevented from entering the post-pouring belt.
Claims (6)
1. A turnover type post-cast strip protective cover plate is characterized by comprising an end cover plate X, a plurality of middle cover plates and an end cover plate Y which are sequentially connected;
the middle cover plate is a side surface "
The middle section of the three-section structure is provided with a third vertical screw hole, the left section is a second convex connecting plate, the lower surface of the second convex connecting plate is provided with a second clamping strip along the width direction of the middle cover plate, the right section is a second concave connecting plate, the upper surface of the second concave connecting plate is provided with a second reserved groove along the width direction of the middle cover plate, the lower surfaces of the middle section and the right section are symmetrically provided with a third two groups of angle steels, and the two groups of angle steels are symmetricalThe opening of the angle iron III is inwards and is arranged along the length direction; a convex connecting plate II and a concave connecting plate II of two adjacent middle cover plates are connected with a reserved groove II in a matching way through a clamping strip II;
the side surface of the end cover plate X is of a two-section step structure with the lower surfaces being parallel and level, two groups of first angle steels are symmetrically arranged on the lower surfaces, openings of the two groups of first angle steels are inward and are arranged in a full-length mode along the length direction, a first vertical screw hole is formed in a high stage, a first reserved groove which is full-length is formed in the upper surface of a first concave connecting plate and the upper surface of a second concave connecting plate along the width direction in a low stage, and the first reserved groove of the end cover plate X is connected with a second clamping strip of a;
the side surface of the end cover plate Y is of a two-section kitchen knife structure with the upper surfaces being parallel and level, the knife body section is provided with a vertical screw hole II, the lower surface of the knife body section is symmetrically provided with two groups of angle steel II, the openings of the two groups of angle steel II are inward and are arranged in a full length manner along the length direction, the knife handle section is a convex connecting plate II, the lower surface is provided with a full-length clamping strip I along the width direction, and the clamping strip I of the end cover plate Y is connected with a reserved groove II of a concave connecting plate II at the right;
the width of the inner groove opening between the two groups of first angle steels, the width of the inner groove opening between the two groups of second angle steels and the width of the inner groove opening between the two groups of third angle steels are equal and are the same as the width of the post-cast strip.
2. The turnover type post-cast strip protective cover plate as claimed in claim 1, wherein the distances between the three outer vertical faces of the angle iron and the width edge of the middle cover plate, between the first angle iron and the width edge of the end cover plate X, and between the second angle iron and the width edge of the end cover plate Y are the lapping width of the cover plate and the concrete structure, and the lapping width is not less than 50 mm.
3. The turnover type post-cast strip protective cover plate as claimed in claim 1, wherein the width of the first clamping strip and the second clamping strip is equal to each other and is not less than 2mm, and the width of the first preformed groove/the second preformed groove is slightly larger than that of the first clamping strip/the second clamping strip.
4. The turnover post-cast strip protective cover plate of claim 1, wherein the first concave connecting plate, the first convex connecting plate, the second concave connecting plate and the second convex connecting plate are equal in thickness and not less than 5 mm.
5. The circulating post-cast strip protective cover plate as claimed in claim 1, wherein the top surfaces of the end cover plate X, the middle cover plate and the end cover plate Y are provided with warning color bands.
6. The reversible post-cast strip protective cover according to claim 1, wherein the length of the intermediate cover is 1500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559377.1U CN212224700U (en) | 2020-04-16 | 2020-04-16 | Turnover type post-cast strip protection cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020559377.1U CN212224700U (en) | 2020-04-16 | 2020-04-16 | Turnover type post-cast strip protection cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212224700U true CN212224700U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020559377.1U Active CN212224700U (en) | 2020-04-16 | 2020-04-16 | Turnover type post-cast strip protection cover plate |
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| Country | Link |
|---|---|
| CN (1) | CN212224700U (en) |
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2020
- 2020-04-16 CN CN202020559377.1U patent/CN212224700U/en active Active
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