CN216476317U

CN216476317U - Truss type formwork support for steel structure engineering floor

Info

Publication number: CN216476317U
Application number: CN202120875426.7U
Authority: CN
Inventors: 周守琼; 殷华富; 崔敏; 李进才; 张杨; 何剑; 姬军; 李猛; 李倩; 解朝波; 徐志
Original assignee: Yunnan Construction and Investment Holding Group Co Ltd
Current assignee: Yunnan Construction and Investment Holding Group Co Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2022-05-10
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a truss type formwork support for a steel structure engineering floor, which comprises a contact frame (1), an upper support rod (2) and a lower support rod (3), wherein the bottom of the contact frame (1) is connected with a plurality of connecting sleeve blocks (4) in a sliding manner, the upper support rod (2) is sleeved in the plurality of connecting sleeve blocks (4), stabilizing columns (5) are arranged between the two ends of the upper support rod (2) and the lower support rod (3) to fixedly connect the upper support rod (2) and the lower support rod (3), a plurality of groups of adjustable connecting piece assemblies (6) are also arranged between the upper support rod (2) and the lower support rod (3), and the two groups of adjustable connecting piece assemblies (6) are connected through stabilizing pieces (7); the end of the lower support rod (3) far away from the upper support rod (2) can be detachably connected with a plurality of connecting pieces (8). The utility model can replace the stable pieces with different sizes to adjust the height according to the actual working requirement, thereby better meeting the use requirement of a construction site.

Description

Truss type formwork support for steel structure engineering floor

Technical Field

The utility model relates to a truss type formwork support, in particular to a truss type formwork support for a steel structure engineering floor, and belongs to the technical field of building construction.

Background

The floor slab is a separated bearing component, and the bearing part in the floor slab layer divides the house into a plurality of layers in the vertical direction, and transmits the vertical load of people, furniture and the like and the self weight of the floor slab to the foundation through a wall body, a beam or a column. The floor can be divided into a plurality of forms such as a wood floor, a brick arch floor, a reinforced concrete floor, a steel lining bearing floor and the like according to the used materials.

The truss is a supporting beam structure formed by connecting rod pieces at two ends by hinges through welding, riveting or bolts, and has the advantages that the rod pieces mainly bear tensile force or pressure, so that the strength of materials can be fully utilized, the material can be saved compared with a solid web beam when the span is large, the dead weight is reduced, and the rigidity is increased. The trusses may be classified into triangular trusses, trapezoidal trusses, polygonal trusses, open-web trusses, and truss bridges according to the structure. And can be classified into a fixed truss, a folding truss, a butterfly truss and a ball-joint truss according to the type of the product.

The existing common floor slab engineering formwork system is characterized in that a truss chord system is composed of steel pipes and fasteners and used for bearing concrete, wood formworks, square wood weight and construction load in the construction process, and the truss chord system is fixed in installation structure, difficult to adjust, complex in engineering and inconvenient to install, and greatly influences the working efficiency.

Therefore, the adjustable and simple-to-mount truss type formwork support for the steel structure engineering floor slab needs to be developed, and the key point for solving the technical problems is to provide the adjustable and simple-to-mount truss type formwork support for the steel structure engineering floor slab.

Disclosure of Invention

Aiming at the defects and shortcomings in the background technology, the utility model is improved and innovated, and aims to provide the truss type formwork support for the steel structure engineering floor slab, which has high safety factor and simple installation, so that the working efficiency is improved, and the working strength is reduced.

The utility model also aims to replace the stable parts with different sizes to adjust the height according to the actual requirements of a specific construction site so as to meet the use requirements of the construction site.

In order to solve the above problems and achieve the above object, the truss-type formwork support for a steel structure engineering floor slab of the present invention is implemented by adopting the following design structure and the following technical scheme:

the utility model relates to an improvement of a truss type template bracket for a steel structure engineering floor slab, which comprises a contact frame (1), an upper support rod (2) and a lower support rod (3), and is characterized in that: the bottom of the contact frame (1) is connected with a plurality of connecting sleeve blocks (4) in a sliding manner, an upper supporting rod (2) is sleeved in the plurality of connecting sleeve blocks (4), stabilizing columns (5) are arranged between the two ends of the upper supporting rod (2) and the two ends of the lower supporting rod (3) to fixedly connect the upper supporting rod (2) and the lower supporting rod (3), a plurality of groups of adjustable connecting piece assemblies (6) are further arranged between the upper supporting rod (2) and the lower supporting rod (3), and the two groups of adjustable connecting piece assemblies (6) are connected through a stabilizing piece (7); one end of the lower supporting rod (3) far away from the upper supporting rod (2) can be detachably connected with a plurality of connecting pieces (8).

As the improvement of the utility model, the contact frame (1) comprises a contact plate (11) and an L-shaped component (12) vertically and fixedly connected to the contact plate (11), wherein the non-connecting end of the L-shaped component (12) penetrates through the front and back surfaces of the L-shaped component and is provided with a plurality of contact frame bolt holes;

the contact plate (11) is a square plate-shaped member, and the contact plate (11) and the L-shaped member (12) are connected by welding or directly processed into an integrally formed structure.

As the above further improvement of the present invention, the upper support rod (2) and the lower support rod (3) are arranged in parallel relatively, and the upper support rod (2) is a whole or at least two upper support rod bodies; the lower supporting rod (3) is composed of a whole or at least two lower supporting rod bodies.

As the above further improvement of the utility model, the upper support rod (2) is a square column-shaped member as a whole, and a plurality of upper support rod connecting holes penetrating through the front and back surfaces of the upper support rod (2) are formed in the upper support rod, wherein the upper support rod (2) is sleeved in a connecting groove at the lower part of the connecting sleeve block (4);

the lower support rod (3) is a square columnar member as a whole, and a plurality of lower support rod connecting holes penetrating through the front side and the back side of the lower support rod (3) are formed in the lower support rod.

As the above further improvement of the present invention, the connecting block (4) comprises a U-shaped member (41) and a partition plate (42) fixedly disposed inside the U-shaped member (41), the partition plate (42) divides the U-shaped member (41) into an upper mounting groove and a lower connecting groove, wherein the partition plate (42) is further coaxially provided with a plurality of block bolt holes (421) penetrating through the front and back surfaces of the partition plate (42); the mounting groove at the upper part is connected with the bottom of the contact frame (1) in a sliding way and is connected together through a bolt.

As the above further improvement of the utility model, the stabilizing column (5) comprises a stabilizing column body, washers sleeved at two ends of the stabilizing column body and nuts in threaded connection with two ends of the stabilizing column body, and the stabilizing column body is a stud bolt.

As the still further improvement of the utility model, the adjustable connecting piece assembly (6) comprises an upper web member (61) detachably connected to the upper supporting rod (2), a lower web member (62) detachably connected to the lower supporting rod (3) and two groups of adjusting columns (63) which are arranged between the upper web member (61) and the lower web member (62) in a sliding and crossing manner, through holes are formed in the crossing positions of the two groups of adjusting columns (63) and are rotatably connected together through connecting columns (64), and the two connecting columns (64) are connected through a fixing piece (7).

As the above still further improvement of the present invention, the upper web member (61) is composed of a U-shaped connecting member and mounting members fixedly connected to both ends of the U-shaped connecting member, the mounting members are provided with through holes, wherein the U-shaped connecting member is provided with sliding grooves;

the lower web member (62) and the upper web member (61) are identical in shape, structure and size, one end of each group of adjusting columns (63) is connected into the sliding groove of the upper supporting rod (2) in a sliding manner, and the other end of each group of adjusting columns (63) is connected into the sliding groove of the lower web member (62) in a sliding manner.

As a still further improvement of the present invention, the fixing member (7) includes a first assembling block (71) and a second assembling block (72), the first assembling block (71) and the second assembling block (72) are slidably connected and combined into a whole, the first assembling block (71) and the second assembling block (72) are both in a -shaped structure, and a plurality of connecting holes are respectively formed on the non-connecting ends of the first assembling block (71) and the second assembling block (72).

As a still further improvement of the utility model, a supporting piece (9) can be detachably connected in the connecting piece (8), the lower end of the supporting piece (9) is connected with an extending piece (10), and through holes are formed in the periphery of the bottom of the extending piece (10);

the connecting piece (8) is integrally of a U-shaped structure, a through hole is formed in the upper end of the connecting piece (8), and a plurality of mounting holes are symmetrically formed in the two ends of the connecting piece (8).

The working principle is as follows: before the truss type formwork support for the steel structure engineering floor slab with the design structure is used, workers need to convey the truss type formwork support with the design structure, which is manufactured, to a specified construction position through manual work or corresponding conveying equipment to be installed for later use.

During installation, a worker firstly inserts the upper supporting rod (2) into a connecting groove at the lower part of the connecting sleeve block (4), then uses a bolt to sequentially penetrate through a sleeve block bolt hole (421) and an upper supporting rod connecting hole to fix the upper supporting rod (2) in the connecting groove at the lower part of the sleeve block (4), then uses a bolt and a nut to fix the upper web member (61) on the upper supporting rod (2), simultaneously uses a bolt and a nut to fix the lower web member (62) on the lower supporting rod (3), subsequently, two ends of two groups of adjusting columns (63) which are arranged in a crossed mode are respectively installed in the chutes of the upper web member (61) and the lower web member (62), then uses a connecting column (64) to sequentially penetrate through a through hole of the adjusting column (63) and a connecting hole of one of the blocks of the stable member (7) to be connected together, and after two groups of adjustable connecting member assemblies (6) are assembled, slides and buckles the first assembling block (71) and the second assembling block (72) together, then, the stabilizing column (5) is fixedly connected between the supporting rod (2) and the lower supporting rod (3) at two ends through nuts, then the contact frame (1) is inserted into the mounting groove at the upper part of the connecting sleeve block (4), bolts sequentially penetrate through bolt holes of the contact frame and bolt holes (421) of the sleeve block to be fixedly connected together, then the connecting piece (8) is fixed on the lower supporting rod (3) through the bolts and the nuts, the supporting piece (9) is fixed in the connecting piece (8) through the bolts and the nuts, and then the extending piece (10) is fixedly connected on the supporting piece (9);

during the use, truss-like formwork support who assembles passes through the bolt and will extend piece (10) and fix on the building carrier plate, truss-like formwork support's last bracing piece (2), but bracing piece (3) and adjustable connector subassembly (6) and steadiness (7) can carry out effectual support to it, the height according to adjustable connector subassembly (6) of specific in-service use demand adjustment, make it satisfy operation requirement, the back is accomplished in the adjustment, find steadiness (7) that satisfy the demand, place steadiness (7) on both ends between bracing piece (2) and bracing piece (3) and carry out fixed connection as an organic whole through the bolt. The truss type formwork support is stable in connection and convenient to assemble, greatly improves the working efficiency, and provides convenience for assembling of workers.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the utility model can replace the stable pieces with different sizes to adjust the height according to the actual working requirement, thereby better meeting the use requirement of a construction site;

(2) the utility model has simple assembly and convenient installation, greatly improves the working efficiency and reduces the working strength;

(3) the connecting piece is arranged at the bottom of the lower supporting rod, and the support can be supported through the matching of the supporting piece, the extending piece and the through hole, so that the connection is more stable, the assembly is more convenient, and convenience is provided for the assembly of workers;

(4) the anti-rust paint is coated on the exterior of the pay-off device, so that the service life of the whole pay-off device is prolonged while rust is prevented, the environment is protected, resources are saved, meanwhile, the self-luminous fluorescent material is coated on the exterior of the pay-off device, the position of the pay-off device can be clearly marked in the night or dark indoor environment, the effect of safety prompt can be effectively achieved, the conspicuity is improved, people can easily distinguish the pay-off device, and the safety in construction and life is improved.

Drawings

Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall structure of another design of the present invention;

FIG. 3 is a schematic view of the structure of the contact frame (1) component of the present invention;

FIG. 4 is a schematic view of the construction of the components of the connection block (4) of the present invention;

fig. 5 is a schematic view of the construction of the steady (7) part of the utility model;

wherein, the reference numbers in the figures: 1-contact frame, 11-contact plate, 12-L-shaped member;

2-upper support rod;

3, a lower support rod;

4-connecting a sleeve block, 41-a U-shaped component, 42-a partition plate and 421-a sleeve block bolt hole;

5-a stabilizing column;

6-adjustable connector assembly, 61-upper web bar, 62-lower web bar, 63-adjusting column, 64-connecting column;

7-stabilizing member, 71-first assembling block, 72-second assembling block

8, connecting pieces;

9-a support member;

10-extension piece.

Detailed Description

In order to make the technical means, the inventive features, the achievement purposes and the effects of the present invention easy to understand, the technical solutions of the present invention are further described in detail with reference to the drawings and the detailed description below, and it is to be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The truss type formwork support for the steel structure engineering floor slab comprises a contact frame 1, an upper support rod 2 and a lower support rod 3, wherein the bottom of the contact frame 1 is connected with a plurality of connecting sleeve blocks 4 in a sliding manner, the upper support rod 2 is sleeved in the connecting sleeve blocks 4 in a penetrating manner, stabilizing columns 5 are arranged between the two ends of the upper support rod 2 and the lower support rod 3 to fixedly connect the upper support rod 2 and the lower support rod 3 together, a plurality of groups of adjustable connecting piece assemblies 6 are further arranged between the upper support rod 2 and the lower support rod 3, and the two groups of adjustable connecting piece assemblies 6 are connected through stabilizing pieces 7; the end of the lower support rod 3 far away from the upper support rod 2 can be detachably connected with a plurality of connecting pieces 8.

Further, the contact frame 1 comprises a contact plate 11 and an L-shaped member 12 vertically and fixedly connected to the contact plate 11, wherein a non-connecting end of the L-shaped member 12 penetrates through the front and back surfaces of the L-shaped member and is provided with a plurality of contact frame bolt holes;

the contact plate 11 is a square plate-shaped member, and the contact plate 11 and the L-shaped member 12 are welded or directly processed into an integrally formed structure.

Further, the upper support rod 2 and the lower support rod 3 are arranged in parallel relatively, and the upper support rod 2 is a whole or consists of at least two upper support rod bodies; the lower supporting rod 3 is composed of a whole or at least two lower supporting rod bodies.

Furthermore, the whole upper support rod 2 is a square columnar member, a plurality of upper support rod connecting holes penetrating through the front and back surfaces of the upper support rod 2 are formed in the upper support rod 2, and the upper support rod 2 is sleeved in a connecting groove at the lower part of the connecting sleeve block 4 in a penetrating manner;

the whole lower support rod 3 is a square columnar member, and a plurality of lower support rod connecting holes penetrating through the front and back surfaces of the lower support rod 3 are formed in the lower support rod.

Further, the connecting block 4 comprises a U-shaped member 41 and a partition plate 42 fixedly arranged inside the U-shaped member 41, the partition plate 42 divides the U-shaped member 41 into an upper mounting groove and a lower connecting groove, wherein the partition plate 42 is coaxially provided with a plurality of block bolt holes 421 penetrating through the front and back surfaces of the partition plate 42; the mounting groove of the upper part is connected with the bottom of the contact frame 1 in a sliding way and is connected together through a bolt.

In the utility model, the U-shaped member 41 and the partition plate 42 are welded or processed into an integrally formed structure; the lower connecting groove is used for installing the upper supporting rod 2.

The bolt passes through the contact frame bolt hole 13 and the sleeve block bolt hole 421 in sequence, and finally the bolt tightly props the upper support rod 2 to achieve stable locking.

Further, the stabilizing column 5 comprises a stabilizing column body, washers sleeved at two ends of the stabilizing column body and nuts in threaded connection with two ends of the stabilizing column body, and the stabilizing column body is a stud bolt.

Further, adjustable connector subassembly 6 is including dismantling the last web member 61 of connecting on last bracing piece 2 and can dismantle the lower web member 62 of connecting on lower support bar 3 and slide and intersect two sets of regulation posts 63 that set up between last web member 61 and lower web member 62, and two sets of regulation posts 63 intersections have seted up the through-hole and have rotated through spliced pole 64 and link together, through firm 7 fixed connection between two spliced poles 64.

In the present invention, the upper web rod 61 spans both sides of the connecting block 4 and is detachably connected to the upper support rod 2.

Specifically, the upper web member 61 is composed of a U-shaped connecting member and mounting members fixedly connected to both ends of the U-shaped connecting member, the mounting members are provided with through holes, wherein the U-shaped connecting member is provided with a chute;

the lower web member 62 has the same shape, structure and size as the upper web member 61, one end of the two groups of adjusting columns 63 is slidably connected in the chute of the upper support rod 2, and the other end of the two groups of adjusting columns 63 is slidably connected in the chute of the lower web member 62.

Further, the firm member 7 comprises a first assembling block 71 and a second assembling block 72, the first assembling block 71 and the second assembling block 72 are connected and combined into a whole in a sliding mode, the first assembling block 71 and the second assembling block 72 are in -shaped structures integrally, and a plurality of connecting holes are formed in the non-connecting ends of the first assembling block 71 and the second assembling block 72.

In the present invention, the first assembling block 71 and the second assembling block 72 are provided with various sizes, which are adjusted in accordance with the distance between the adjusting posts 63.

Furthermore, a support member 9 can be detachably connected in the connecting member 8, the lower end of the support member 9 is connected with an extension member 10, and the periphery of the bottom of the extension member 10 is provided with through holes;

the connecting piece 8 is integrally of a U-shaped structure, a through hole is formed in the upper end of the connecting piece 8, and a plurality of mounting holes are symmetrically formed in the two ends of the connecting piece 8.

In the utility model, an injection molding layer, an anti-rust layer and a warning layer are sequentially sprayed on the outer surfaces of the contact frame 1, the upper support rod 2, the lower support rod 3, the connecting sleeve block 4, the stabilizing column 5, the adjustable connecting piece assembly 6, the stabilizing piece 7 and the connecting piece 8 from inside to outside, and fluorescent powder is coated on the warning layer.

The injection layer is injected with a high polymer wear-resistant material; the anti-rust layer comprises epoxy zinc-rich primer, chlorinated rubber finish paint and epoxy mica iron intermediate paint positioned between the epoxy zinc-rich primer and the chlorinated rubber finish paint; the warning layer is a reflective warning tape or a reflective color film or reflective paint with single color or combination of multiple colors.

To sum up, the more specific embodiments of the present invention are:

before the truss type formwork support for the steel structure engineering floor slab with the design structure is used, workers need to convey the truss type formwork support with the design structure, which is manufactured, to a specified construction position through manual work or corresponding conveying equipment to be installed for later use.

During installation, a worker firstly inserts the upper support rod 2 into a connecting groove at the lower part of the connecting sleeve block 4, then uses bolts to sequentially pass through the sleeve block bolt hole 421 and the upper support rod connecting hole to fix the upper support rod 2 in the connecting groove at the lower part of the sleeve block 4, then uses bolts and nuts to fix the upper web member 61 on the upper support rod 2, and simultaneously uses bolts and nuts to fix the lower web member 62 on the lower support rod 3, then, two ends of two groups of adjusting columns 63 which are arranged in a crossed way are respectively arranged in the chutes of the upper web member 61 and the lower web member 62, then uses the connecting column 64 to sequentially pass through a through hole of the adjusting column 63 and a connecting hole of one block of the stable members 7 to be connected together, when two groups of adjustable connecting member assemblies 6 are assembled, the first assembling block 71 and the second assembling block 72 are slidably buckled together, and then, the stable column 5 is fixedly connected between the upper support rod 2 and the lower support rod 3 at two ends through nuts, then, the contact frame 1 is inserted into the mounting groove at the upper part of the connecting sleeve block 4, then bolts sequentially pass through the contact frame bolt holes and the sleeve block bolt holes 421 to be fixedly connected together, then the connecting piece 8 is fixed on the lower support rod 3 by using bolts and nuts, the supporting piece 9 is fixed in the connecting piece 8 by using bolts and nuts, and then the extending piece 10 is fixedly connected on the supporting piece 9;

during the use, the truss-like formwork support who assembles passes through the bolt and fixes extension 10 on the building carrier plate, truss-like formwork support's last bracing piece 2, bottom suspension strut 3 and adjustable connector subassembly 6 and steadiness 7 can carry out effectual support to it, adjust the height of adjustable connector subassembly 6 according to specific in-service use demand, make it satisfy the operation requirement, after the adjustment finishes, find steadiness 7 that satisfies the demand, place steadiness 7 on both ends between bracing piece 2 and bottom suspension strut 3 and carry out fixed connection through the bolt as an organic whole. The truss type formwork support is stable in connection and convenient to assemble, greatly improves the working efficiency, and provides convenience for assembling of workers.

Finally, it should be noted that the conception, specific structure and technical effects of the present invention have been clearly and completely described above in connection with the embodiments and the accompanying drawings, so that the objects, features and effects of the present invention can be fully understood. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection and connection relationships mentioned herein do not mean that the components are directly connected, but mean that a more preferable connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.

Claims

1. The utility model provides a truss-like formwork support for steel construction engineering floor, includes contact frame (1) and last bracing piece (2) and lower support bar (3), its characterized in that: the bottom of the contact frame (1) is connected with a plurality of connecting sleeve blocks (4) in a sliding manner, an upper supporting rod (2) is sleeved in the plurality of connecting sleeve blocks (4), stabilizing columns (5) are arranged between the two ends of the upper supporting rod (2) and the two ends of the lower supporting rod (3) to fixedly connect the upper supporting rod (2) and the lower supporting rod (3), a plurality of groups of adjustable connecting piece assemblies (6) are arranged between the upper supporting rod (2) and the lower supporting rod (3), and the two groups of adjustable connecting piece assemblies (6) are connected through a stabilizing piece (7); one end of the lower supporting rod (3) far away from the upper supporting rod (2) can be detachably connected with a plurality of connecting pieces (8).

2. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: the contact frame (1) comprises a contact plate (11) and an L-shaped component (12) vertically and fixedly connected to the contact plate (11), and a non-connecting end of the L-shaped component (12) penetrates through the front surface and the back surface of the L-shaped component to be provided with a plurality of contact frame bolt holes;

3. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: the upper supporting rod (2) and the lower supporting rod (3) are arranged in parallel relatively, and the upper supporting rod (2) is a whole or consists of at least two upper supporting rod bodies; the lower supporting rod (3) is composed of a whole or at least two lower supporting rod bodies.

4. The truss-type formwork support for steel structural engineering floor slab of claim 1 or 3, wherein: the whole upper supporting rod (2) is a square columnar member, a plurality of upper supporting rod connecting holes penetrating through the front and back surfaces of the upper supporting rod (2) are formed in the upper supporting rod (2), and the upper supporting rod (2) is sleeved in a connecting groove in the lower part of the connecting sleeve block (4) in a penetrating manner;

5. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: the connecting sleeve block (4) comprises a U-shaped member (41) and a partition plate (42) fixedly arranged in the U-shaped member (41), the U-shaped member (41) is divided into an upper mounting groove and a lower connecting groove by the partition plate (42), wherein the partition plate (42) is coaxially provided with a plurality of sleeve block bolt holes (421) penetrating through the front and back surfaces of the partition plate (42); the mounting groove at the upper part is connected with the bottom of the contact frame (1) in a sliding way and is connected together through a bolt.

6. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: the stabilizing column (5) comprises a stabilizing column body, gaskets sleeved at two ends of the stabilizing column body and nuts in threaded connection with two ends of the stabilizing column body, and the stabilizing column body is a stud bolt.

7. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: adjustable connecting piece subassembly (6) including can dismantle last web member (61) of connecting on last bracing piece (2) and can dismantle lower web member (62) of connecting on lower support bar (3) and slide cross arrangement last web member (61) and two sets of regulation post (63) between lower web member (62), two sets of regulation post (63) intersections have seted up the through-hole and have rotated through spliced pole (64) and link together, connect through firm piece (7) between two spliced poles (64).

8. A truss-like formwork support for steel structural engineering floor slab of claim 7, wherein: the upper web member (61) is composed of a U-shaped connecting piece and mounting pieces fixedly connected to two ends of the U-shaped connecting piece, through holes are formed in the mounting pieces, and sliding grooves are formed in the U-shaped connecting piece;

9. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: the fixing piece (7) comprises a first assembling block (71) and a second assembling block (72), the first assembling block (71) and the second assembling block (72) are connected in a sliding mode to form a whole, the first assembling block (71) and the second assembling block (72) are integrally in an -shaped structure, and a plurality of connecting holes are formed in the non-connecting ends of the first assembling block (71) and the second assembling block (72).

10. The truss-like formwork support for steel structural engineering floor slab of claim 1, wherein: a supporting piece (9) can be detachably connected in the connecting piece (8), the lower end of the supporting piece (9) is connected with an extension piece (10), and through holes are formed in the periphery of the bottom of the extension piece (10);