CN215669667U

CN215669667U - Detachable high bearing capacity shaped steel post-cast strip support system

Info

Publication number: CN215669667U
Application number: CN202121334423.9U
Authority: CN
Inventors: 吴硕军; 刘玉涛; 赵树山; 王左同; 赵宗元; 肖培磊; 王佳玉
Original assignee: Zhongtian Construction Group Co Ltd
Current assignee: Zhongtian Construction Group Co Ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2022-01-28
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a detachable high-bearing capacity type steel post-cast strip supporting system which comprises an independent supporting device and a formwork supporting device, wherein the independent supporting device is arranged on the supporting device; the device comprises independent supporting devices and a formwork supporting device, wherein the formwork supporting device is continuously arranged for supporting a concrete formwork, and the independent supporting devices are respectively arranged on two sides of a reserved post-cast strip and are uniformly arranged at intervals; the independent supporting device comprises an adjusting component and a first supporting component; the adjusting part is arranged at the top end of the first supporting part. The adjusting part comprises a top plate, a bolt, an adjusting nut and a fixing nut. In the construction of concrete structure, when the post-cast strip position is sealed and reaches certain form removal condition, reduce the roof elevation through rotatory adjusting nut, can with independent strutting arrangement demolishs the back and is used for follow-up project turnover to use. The technical scheme can ensure that the material transportation route is smooth during construction, and the project construction period is effectively saved.

Description

Detachable high bearing capacity shaped steel post-cast strip support system

Technical Field

The utility model belongs to the field of buildings, and particularly relates to a detachable high-bearing-capacity steel post-cast strip supporting system.

Background

With the rapid development of the building industry and the improvement of the living demands of people, most modern buildings are provided with a ground reservoir, post-cast strips are arranged in the construction process of the ground reservoir to ensure the construction quality of the ground reservoir, and the post-cast strip sealing construction needs a long technical intermission period. Because the building structure at the position of the post-cast strip is artificially disconnected, a bearing system is difficult to form, a formwork support body for fixing the position of the post-cast strip cannot be dismantled before the post-cast strip is closed for construction, and 2-3 rows of continuous formwork supports are arranged on two sides of the post-cast strip for supporting in a general way. This approach has the following problems:

1. the post-cast strip support frame and the template need to be disassembled after the post-cast strip is closed and the concrete reaches the form removal condition, so that the material investment is large, the occupied time is long, the turnover use is difficult to form, the material utilization rate is low, and the engineering measure cost investment is large.

2. The post-cast strip support is continuously arranged, the lower part of the post-cast strip of the ground warehouse is provided with the vertical rod in a supporting way, and the ground warehouse is divided by the continuous vertical rod, so that an effective material transportation route is difficult to form in the ground warehouse.

3. General engineering needs to utilize the temporary construction road of basement roof structure planning, and later casting belt position is not closed yet, and the bearing capacity of braced system is less, is difficult to reach the bearing requirement, needs to additionally carry out reinforcement treatment to later casting belt position, increases the measure expense and invests.

4. The bearing capacity of a common post-cast strip supporting system is small, earthwork in a ground reservoir region cannot be backfilled in advance, so that subsequent municipal engineering cannot enter a field for construction, and the construction period of the engineering is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of high material investment, low utilization rate, high cost, influence on project transportation and low bearing capacity of a common post-cast strip supporting system and provide a high-bearing capacity steel post-cast strip supporting system which has low material investment and can be used in a turnover manner.

The utility model provides a detachable high-bearing-capacity structural steel post-cast strip supporting system which comprises independent supporting devices and formwork supporting devices, wherein the formwork supporting devices are continuously arranged and used for supporting concrete formworks, and the independent supporting devices are respectively arranged on two sides of a reserved post-cast strip and are uniformly arranged at intervals;

the independent supporting device comprises an adjusting component and a first supporting component; the adjusting part is arranged at the top end of the first supporting part.

The first supporting part comprises a first supporting rod, a first lower base plate and an upper connecting plate; the bottom of the first supporting rod is fixedly connected with the first lower base plate; the upper part of the first supporting rod is fixedly connected with the upper connecting plate; a plurality of bolt holes for connecting the adjusting parts are formed in the upper connecting plate;

the adjusting part comprises a top plate, a bolt, an adjusting nut and a fixing nut, the bolt is vertically and fixedly arranged on the bottom surface of the top plate, the bolt penetrates through the upper connecting plate and is fixed through the fixing nut, and the adjusting nut is coaxially arranged on the bolt on the upper portion of the upper connecting plate.

Preferably, the first support rod is an i-steel.

The bolts are multiple and are symmetrically arranged at even intervals on two sides of the I-shaped steel web plate.

The bottom of the first supporting part is connected with a second supporting rod through a connecting part.

And the upper end part of the second support component rod is provided with a fixing component connected with the connecting component.

The cross section of the connecting part is a hollow rectangular annular part; the bottom of the connecting part is provided with an opening;

the fixing part is of a T-shaped part structure matched with the connecting part.

The formwork supporting device comprises a keel and a supporting frame; the keel frame is arranged at the upper end of the support frame.

The support frame comprises a plurality of cross rods and upright rods; the pole setting is vertical to be placed, every two connect through the horizontal pole of placing between the pole setting, the horizontal pole is a plurality of and vertical interval evenly distributed.

Preferably, the number of the cross bars between every two vertical rods is three.

The keel comprises a main keel and a secondary keel; the main keels and the secondary keels are of a plurality of strip-shaped structures; the secondary keel is uniformly laid above the main keel and is vertically placed with the main keel.

The utility model has the advantages and positive effects that:

1. the post-pouring belt is simple to manufacture, and after the post-pouring belt is closed, the elevation of the top plate can be reduced by rotating the adjusting nut above the upper connecting plate, and the independent supporting device is detached to be used for turnover of subsequent projects.

2. The bearing capacity of the detachable high-bearing capacity steel post-cast strip supporting system can reach 300KN, and the bearing capacity requirements of the top plate travelling crane of the ground garage and the top plate backfill construction of the ground garage can be met.

3. The removable auxiliary supporting device is sealed in the post-cast strip, and the post-cast strip is only supported through the independent supporting device, so that the occupied area of the supporting device is greatly reduced, the influence on the traffic of the ground depot is reduced, the vehicles can normally pass through the supporting device, and the normal traffic operation of the ground depot and the smoothness of a material transportation route are ensured.

4. Because the independent supporting device for supporting after the post-cast strip is closed occupies a small area, the material transportation in the ground warehouse cannot be influenced, the earth backfill of the ground warehouse can be inserted into the construction in advance, and the project construction period is saved.

5. The support system has the advantages of simple structure, ingenious conception, less material investment and low cost, the post-cast strip is supported by the independent support device after being closed, the occupied area is small, the material transportation in the ground warehouse is not influenced, the earth backfill of the ground warehouse can be inserted into the construction in advance, the project period is effectively shortened, and the support system has wide popularization and application values.

6. Through set up adapting unit in bracing piece bottom, realize installing the second supporting component fast in first supporting component bottom to satisfy the construction demand of different elevations, enlarged the application scope of this support system, the application method is more convenient, has greatly improved the efficiency of construction.

Drawings

FIG. 1 is a front view of the structure of the stand-alone support of the present invention;

FIG. 2 is a structural elevation view of the adjustment member and the first support member of the present invention;

FIG. 3 is a structural elevation view of a second support member of the present invention;

FIG. 4 is a side view of the structure of the stand-alone support of the present invention;

FIG. 5 is a side elevational view of the structure of the adjustment member and the first support member of the present invention;

FIG. 6 is a side elevational view of the structure of a second support member of the present invention;

FIG. 7 is a side view of an adjustment member of the present invention;

FIG. 8 is a front view of the adjustment member of the present invention;

FIG. 9 is a top view of an adjustment member of the present invention;

FIG. 10 is a cross-sectional view taken along section A-A of FIG. 1;

FIG. 11 is a cross-sectional view taken along section B-B of FIG. 4;

FIG. 12 is a top plan view of the overall structure of the present invention;

FIG. 13 is a schematic view of the overall structure of the present invention;

fig. 14 is a layout view of the independent supporting means of the present invention.

In the figure, 1 is a top plate, 2 is an adjusting nut, 3 is an upper connecting plate, 4 is a first supporting rod, 5 is a connecting part, 6 is a first lower base plate, 7 is a nut, 8 is a bolt, 9 is a gasket, 10 is a fixing nut, 11 is a fixing part, 12 is a bolt hole, 13 is a concrete template, 14 is an independent supporting device, 15 is a post-cast strip, 16 is a cross rod, 17 is a vertical rod, 18 is a secondary keel, 19 is a main keel, 20 is a second supporting rod, and 21 is a second lower base plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A detachable high-bearing capacity steel post-cast strip supporting system is shown in figures 12 and 13 and comprises an independent supporting device 14 and a formwork supporting device. The formwork supporting device is continuously arranged and used for supporting the concrete formwork 13, and the independent supporting devices 14 are respectively arranged on two sides of the reserved post-cast strip 15 and are evenly arranged at intervals. The independent supporting device 14 comprises an adjusting part and a first supporting part. The adjusting part is arranged at the top end of the first supporting part. The first supporting part is used as a main bearing component, and the adjusting part is an adjustable component and used for adjusting the height of the independent support, so that the later-stage formwork supporting device can be conveniently detached.

The first support member includes a first support bar 4, a first lower mat 6 and an upper connecting plate 3. The first support rod 4 is preferably 22a # i-steel, and a steel pipe with a hollow rectangular or cylindrical cross section may be selected. As shown in fig. 1 and 2, the bottom of the first support rod 4 is fixedly connected to the first lower backing plate 6, preferably by welding. As shown in fig. 10, the top of the first support rod 4 is fixedly connected with the upper connecting plate 3, preferably by welding, and a plurality of bolt holes 12 corresponding to the bolts 8 are uniformly and symmetrically arranged on both sides of the 22a # i-steel web plate of the upper connecting plate 3 at intervals.

As shown in fig. 7 to 9, the adjusting part includes a top plate 1, a nut 7, a bolt 8, an adjusting nut 2, a washer 9, and a fixing nut 10. The upper portion of the bolt 8 is fixedly provided with a nut 7 fixedly connected with the bottom of the top plate 1, the nut 7 is connected with the top plate 1 in a welding mode, and the position of the nut corresponds to the position of a bolt hole 12 in the upper connecting plate 3. Each bolt 8 is provided with a plurality of adjusting

nuts

2 and 1 spacer 9, the number of the adjusting nuts 2 is preferably 2, each bolt 8 is provided with 2 spacers 9, the spacer 9 is arranged at the bottom of the adjusting nut 2 positioned below, the bolt 8 is inserted into the corresponding bolt hole 12 on the upper connecting plate 3, after the bolt 8 is inserted, each

spacer

9 and 1 or a plurality of fixing nuts 10 are arranged on the bolt 8 at the lower part of the upper connecting plate 3, and the spacer 9 is arranged between the upper connecting plate 3 and the fixing nuts 10. The adjusting nut 2 above the upper connecting plate 3 is used for adjusting the elevation of the top plate 1, and the fixing nut 10 below the upper connecting plate 3 is used for fixing the whole adjusting part.

Further, the bottom of the first support rod 4 is connected with a second support rod 20, and the specific connection mode of the first support rod 4 and the second support rod 20 is as follows:

the first lower backing plate 6 at the bottom of the first supporting rod 4 is connected with a connecting part 5 through a bolt, the connecting part 5 is of an annular structure with a hollow rectangular cross section, and an opening is formed in the bottom of the connecting part.

The top of the second support rod 20 is fixedly provided with a fixed part 11, the fixed part 11 is of a T-shaped structure and can be transversely inserted into the hollow part of the connecting part 5, and the bottom of the second support rod 20 is fixedly provided with a second lower backing plate 21. Through installing second bracing piece 20 fast in first bracing piece bottom to satisfy the construction demand of different elevations, application scope is wide.

The formwork device comprises a keel and a supporting frame. The keel comprises a main keel 19 and a secondary keel 18, and the main keel 19 and the secondary keel 18 are both of a plurality of strip-shaped structures. The main keels 19 are evenly laid above the supporting frame, and the secondary keels 18 are evenly laid above the main keels 19 and are perpendicular to the main keels 19. The upper ends of the cross runners 18 are in contact with the concrete form 13 for supporting the concrete form 13.

As shown in fig. 12 and 13, the support frame includes a plurality of cross bars 16 and vertical bars 17. Wherein the upright stanchions 17 are vertically arranged and evenly distributed below the keel. Every two vertical rods 17 are connected by a plurality of horizontally placed cross rods 16, the cross rods 16 are uniformly distributed in the longitudinal direction at intervals, and the number of the cross rods 16 between every two vertical rods 17 is preferably three. The top end of the upright rod 17 is provided with a U-shaped supporting structure for placing the main keel 19.

In the using process, the independent supporting devices 14 are erected simultaneously along with the vertical rods 17 and the cross rods 16 of the auxiliary supporting devices, are uniformly and symmetrically arranged on two sides of the reserved post-cast strip 15 at intervals, the distance is not more than 3m, and if a beam part exists, the independent supporting devices 14 are preferentially arranged at the bottom of the beam. As shown in fig. 13, after the independent supporting devices 14 are installed on both sides of the reserved post-cast strip 15, the elevation of the top plate 1 of the independent supporting device 14 and the elevation of the bottom of the concrete formwork 13 are adjusted to the same height, and the secondary keel 18 and the main keel 19 are disconnected at the position of the independent supporting device 14. And after the formwork supporting device and the independent supporting device 14 are erected and meet the requirements, the construction of the concrete structure is carried out. As shown in fig. 14, the formwork support means are removed after the concrete structure reaches the formwork removal condition, and the independent support means 14 at both sides of the post-cast strip 15 are remained. After the position of the post-cast strip 15 is closed and the strength requirement is met, the independent supporting device 14 can be detached after the elevation of the top plate 1 is reduced by rotating the two adjusting nuts 2 above the upper connecting plate 3, and the detached independent supporting device 14 can be used for turnover of subsequent projects.

The bearing capacity of the independent supporting device 14 can reach 300KN, and the requirement of the top plate of the ground garage on driving and the requirement of the bearing capacity of the top plate backfill construction of the ground garage can be met. The removable formwork device that props up after 15 seal of post-cast strip only supports through independent strutting arrangement 14, has greatly reduced strutting arrangement's area, reduces the influence to the ground storehouse traffic, can normally lead to the car between the strutting arrangement, ensures that the normal traffic of ground storehouse moves and the material transportation route is unobstructed. Because the independent supporting device 14 for supporting after the post-cast strip 15 is closed occupies a small area, the material transportation in the ground reservoir cannot be influenced, the earth backfill of the ground reservoir can be inserted into the construction in advance, and the project construction period is saved. The technical scheme provided by the utility model has the advantages of less material investment, low cost and convenient implementation.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. A detachable high-bearing-capacity section steel post-cast strip supporting system is characterized by comprising independent supporting devices (14) and formwork supporting devices, wherein the formwork supporting devices are continuously arranged and used for supporting concrete formworks (13), and the independent supporting devices (14) are respectively arranged on two sides of a reserved post-cast strip and are uniformly arranged at intervals;

the independent support device (14) comprises an adjustment member and a first support member; the adjusting part is arranged at the top end of the first supporting part.

2. The detachable high-bearing-capacity steel post-cast strip supporting system according to claim 1, wherein the first supporting component comprises a first supporting rod (4), a first lower cushion plate (6) and an upper connecting plate (3); the bottom of the first supporting rod (4) is fixedly connected with the first lower base plate (6); the upper part of the first supporting rod (4) is fixedly connected with the upper connecting plate (3); a plurality of bolt holes (12) for connecting the adjusting parts are formed in the upper connecting plate (3);

the adjusting part comprises a top plate (1), a bolt (8), an adjusting nut (2) and a fixing nut (10), the bolt (8) is vertically and fixedly installed on the bottom surface of the top plate (1), the bolt (8) penetrates through the upper connecting plate (3) and is fixed through the fixing nut (10), and the adjusting nut (2) is coaxially arranged on the bolt (8) on the upper portion of the upper connecting plate (3).

3. The detachable high-bearing-capacity steel post-cast strip supporting system as claimed in claim 2, wherein the first supporting rod (4) is an I-steel.

4. The detachable high-bearing-capacity steel post-cast strip supporting system as claimed in claim 3, wherein the bolts (8) are uniformly and symmetrically arranged at intervals on two sides of the web of the I-shaped steel.

5. The detachable high-bearing-capacity steel post-cast strip supporting system as claimed in claim 1, wherein the bottom of the first supporting part is connected with a second supporting rod (20) through a connecting part (5);

the upper end part of the second support rod (20) is provided with a fixed part (11) which is used for being connected with the connecting part (5).

6. The detachable high-bearing-capacity steel post-cast strip supporting system is characterized in that the section of the connecting part (5) is a hollow rectangular annular part; the bottom of the connecting part (5) is provided with an opening;

the fixing part (11) is of a T-shaped structure matched with the connecting part (5).

7. The detachable high-bearing-capacity steel post-cast strip supporting system as claimed in claim 1, wherein the formwork supporting device comprises a keel and a supporting frame; the keel frame is arranged at the upper end of the support frame.

8. The detachable high-bearing-capacity steel post-cast strip supporting system as claimed in claim 7, wherein the supporting frame comprises a plurality of cross rods (16) and vertical rods (17); the vertical pole setting (17) are vertically placed, every two the horizontal rods (16) placed horizontally are connected between the vertical pole setting (17), and the horizontal rods (16) are uniformly distributed at a plurality of longitudinal intervals.

9. The detachable high-bearing-capacity steel post-cast strip supporting system according to claim 8, wherein the number of the cross bars (16) between every two vertical rods (17) is three.

10. The removable high capacity steel post-cast strip support system of claim 8, wherein the keel comprises a main keel (19) and a cross keel (18); the main keels (19) and the secondary keels (18) are of a plurality of strip-shaped structures; the secondary keels (18) are uniformly laid above the main keels (19) and are perpendicular to the main keels (19).