CN211312158U

CN211312158U - Trestle steel structure for tunnel construction

Info

Publication number: CN211312158U
Application number: CN201921496897.6U
Authority: CN
Inventors: 杨德世
Original assignee: Quanzhou Penglong Decoration Engineering Co ltd
Current assignee: Quanzhou Penglong Decoration Engineering Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-08-21
Anticipated expiration: 2029-09-09

Abstract

The utility model belongs to the technical field of tunnel construction, especially, landing stage steel construction for tunnel construction, including steel panels, steel sill bar, bracing piece and horizontal pole, steel panels sets up on steel sill bar upper portion, the horizontal pole sets up in steel panels bottom and its both ends and steel sill bar welding, the bracing piece sets up between steel panels and horizontal pole, the bracing piece both ends are connected with steel panels and horizontal pole respectively through plug-in components, steel panels bottom fixedly connected with inserts a section of thick bamboo, the outside threaded connection in steel sill bar upper portion has the inserted block, peg graft through the inserted block between steel sill bar and the inserted section of thick bamboo; the adoption is inserted a section of thick bamboo and is pegged graft between the inserted block for installation between steel decking and the steel sill bar, the mounting means is simple and firm, the reuse of being convenient for, the plug-in components of setting satisfy the connection of different inclination's bracing piece because of the perpendicular or the separation blade of slope that sets up on the plug-in components, play the effect of support to whole landing stage steel construction, and this structure is convenient for be under construction, and the steel quantity is few, and economic advantage is obvious.

Description

Trestle steel structure for tunnel construction

Technical Field

The utility model relates to a tunnel construction technical field especially relates to a landing stage steel construction for tunnel construction.

Background

Tunnels are engineering structures buried in the ground and are a form of human use of underground space. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel. In the tunnel construction process, adverse conditions such as poor geological conditions, abundant underground water and the like are often encountered, and the adverse conditions are probable events. The trestle is usually used for transporting equipment and materials, and the temporary bridge facilities built for transporting materials, equipment and personnel in civil engineering are divided into a wood trestle and a steel trestle according to the adopted materials.

Technical problems exist in the prior art.

1. The existing trestle steel structures are mostly welded, so that the welding process is inconvenient due to the tunnel environment and the limitation of the set trestle, and the welded steel structures are inconvenient to disassemble and recycle;

2. for the stability of guaranteeing the landing stage steel and connecing, need utilize the bracing piece to support the landing stage, adopt the structure of slope more between the bracing piece, this kind of mode is when the welding, often because of the welding is inconvenient, causes welded insecure for insecure between the landing stage steel construction.

In order to solve the problem, the application provides a trestle steel structure for tunnel construction.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a landing stage steel construction for tunnel construction, adopt the grafting between a section of thick bamboo and the inserted block of inserting, the installation between steel decking of being convenient for and the steel sill bar, the mounting means is simple, and the installation effect is firm, convenient to detach can continue to use it after just dismantling, improve the reuse of steel construction, the plug-in components of setting, because of the perpendicular or the separation blade of slope that sets up on the plug-in components, satisfy the connection of different inclination's bracing piece, play the effect of support to whole landing stage steel construction, and this structure is convenient for construct, the steel quantity is few, economic advantage is obvious.

(II) technical scheme

In order to solve the problem, the utility model provides a landing stage steel construction for tunnel construction, including steel decking, steel sill bar, bracing piece and horizontal pole, steel decking sets up on steel sill bar upper portion, the horizontal pole sets up in steel decking bottom and its both ends and steel sill bar welding, the bracing piece sets up between steel decking and horizontal pole, the bracing piece both ends are connected with steel decking and horizontal pole respectively through plug-in components, a steel decking bottom fixedly connected with inserts a section of thick bamboo, steel sill bar upper portion outside threaded connection has the inserted block, steel sill bar and insert and peg graft through the inserted block between the section of thick bamboo.

Furthermore, the section of the insertion block is of an L-shaped structure.

Furthermore, a threaded cylinder is arranged on the insert block, and a screw rod is connected with the threaded cylinder through internal threads.

Further, the plug-in components include the circular slice and set up the separation blade on circular slice upper portion, the screw hole has all been seted up on circular slice and separation blade surface.

Furthermore, the baffle plate is vertically or obliquely connected with the circular plate.

The above technical scheme of the utility model has following profitable technological effect:

1. the insertion between the insertion cylinder and the insertion block is adopted, so that the steel panel and the steel bottom rod can be conveniently installed, the installation mode is simple, the installation effect is firm, the steel panel and the steel bottom rod are convenient to disassemble, the steel panel and the steel bottom rod can be continuously used after being disassembled, and the recycling of a steel structure is improved;

2. the plug-in components that set up, because of the perpendicular or the separation blade of slope that sets up on the plug-in components, satisfy the connection of different inclination's bracing piece, play the effect of support to whole landing stage steel construction, and this structure is convenient for be under construction, and the steel quantity is few, and economic advantage is obvious.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure of the present invention;

fig. 4 is a schematic diagram of the internal structure of the plug-in unit of the present invention.

Reference numerals:

1. a steel panel; 2. a steel bottom bar; 3. a support bar; 4. a cross bar; 5. a plug-in; 51. a circular sheet; 52. a baffle plate; 53. a threaded hole; 6. inserting a cylinder; 7. inserting a block; 8. a threaded barrel; 9. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a landing stage steel construction for tunnel construction, including steel decking 1, steel sill bar 2, bracing piece 3 and horizontal pole 4, steel decking 1 sets up on 2 upper portions of steel sill bar, and horizontal pole 4 sets up in 1 bottom of steel decking and its both ends and the welding of steel sill bar 2, and bracing piece 3 sets up between steel decking 1 and horizontal pole 4, and 3 both ends of bracing piece are connected with steel decking 1 and horizontal pole 4 respectively through plug-in components 5, and steel decking 1 bottom fixedly connected with inserts a section of thick bamboo 6, and 2 upper portion outside threaded connection of steel sill bar has inserted block 7, pegs graft through inserted block 7 between steel sill bar 2 and the inserted section of thick bamboo 6.

It should be noted that, the steel bottom rod 2 is higher than the highest water level of overflowing in the tunnel, adopt the welded mode between the both ends of horizontal pole 4 and the steel bottom rod 2, form fixed connection, bracing piece 3 can set up perpendicularly or slope between steel decking 1 and horizontal pole 4, bracing piece 3 can be I type or U shaped steel board, be used for supporting steel decking 1, insert a section of thick bamboo 6 and set up in steel decking 1 bottom, and insert a section of thick bamboo 6 of steel decking 1 bottom and be no less than four, the symmetry sets up in steel decking 1 bottom four corners respectively, form the integrated into one piece structure with steel decking 1 welding or hinged joint.

In the embodiment, the section of the insert block 7 is in an L-shaped structure; as shown in fig. 2, the lower aperture of the insertion block 7 is larger than the upper aperture, the upper aperture is matched with the aperture of the insertion cylinder 6, the lower aperture is larger than the aperture of the insertion cylinder 6, the insertion block 7 connected to the outer side of the upper part of the steel bottom rod 2 is satisfied, the upper aperture is inserted into the insertion cylinder 6, and the lower aperture blocks the insertion cylinder 6.

In the embodiment, the insert block 7 is provided with a threaded cylinder 8, and the threaded cylinder 8 is internally connected with a screw 9 in a threaded manner; as shown in fig. 3, the upper caliber and the lower caliber of the insert 7 are both provided with a threaded cylinder 8, both sides of the upper portion of the steel bottom rod 2 are provided with threaded openings corresponding to and adapted to the threaded cylinder 8, and the threaded cylinder 8 and the threaded openings are internally screwed with the insertion screws 9 for threaded connection between the insert 7 and the steel bottom rod 2.

In the embodiment, the plug-in 5 comprises a circular sheet 51 and a blocking piece 52 arranged on the upper part of the circular sheet 51, and threaded holes 53 are formed in the surfaces of the circular sheet 51 and the blocking piece 52; it should be further noted that the blocking piece 52 is connected with the circular piece 51 in a vertical or inclined manner; as shown in fig. 4, the separation blades 52 arranged on the circular sheet 51 are symmetrically distributed, and the number of the separation blades is not less than three groups, the distance between the separation blades 52 satisfies the insertion of the support rod 3, the separation blades 52 are perpendicular or inclined, the inclined angle of the separation blades 52 is the same as that of the support rod 3, the fixation of the support rods 3 with different inclined angles is satisfied, the threaded holes 53 formed in the two sides of the circular sheet 51 are provided with threaded ports corresponding to the separation blades 1 and the cross rod 4, the plug-in components 5 are fixed on the steel panel 1 or the cross rod 4 by inserting the screw rods into the threaded holes 53, the threaded holes 53 formed in the separation blades 52 are not less than two threaded holes 53, the separation blades 52 are perpendicular or horizontally distributed, the support rod 3 is fixed by inserting the screw rods into the threaded holes 53, the support rod 3 is protected, and the screw rods inserted into.

The utility model discloses a theory of operation and use flow: according to the water level in the tunnel, a steel bottom rod 2 suitable for the height of the steel bottom rod is selected, a steel panel 1 is placed on the upper portion of the steel bottom rod 2, an inserting block 7 is placed on the outer side of the upper portion of the steel bottom rod 2, a threaded cylinder 8 in the inserting block 7 is provided with an internal threaded inserting screw rod in sequence, connection between the inserting block 7 and the steel bottom rod 2 is achieved, the upper end of the inserting block 7 is inserted into an inserting cylinder 6, insertion between the steel panel 1 and the steel bottom rod 2 is achieved, the inserting screw rod penetrates through a threaded hole 53 to enable an inserting piece 5 to be fixed with a cross rod 4 and the steel panel 1 respectively, a supporting rod 3 is inserted into a correspondingly inclined separation blade 52, the screw rod penetrates through the threaded hole 53 to fix the supporting rod 3 and the separation blade 52.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a landing stage steel construction for tunnel construction, a serial communication port, including steel decking (1), steel sill bar (2), bracing piece (3) and horizontal pole (4), steel decking (1) sets up on steel sill bar (2) upper portion, horizontal pole (4) set up in steel decking (1) bottom and its both ends and steel sill bar (2) welding, bracing piece (3) set up between steel decking (1) and horizontal pole (4), bracing piece (3) both ends are connected with steel decking (1) and horizontal pole (4) respectively through plug-in components (5), steel decking (1) bottom fixedly connected with inserts a section of thick bamboo (6), steel sill bar (2) upper portion outside threaded connection has plug-in block (7), peg graft through plug-in block (7) between steel sill bar (2) and the section of thick bamboo (6).

2. The trestle steel structure for tunnel construction according to claim 1, wherein the cross section of the insert block (7) is an L-shaped structure.

3. The trestle steel structure for tunnel construction according to claim 1, wherein a threaded cylinder (8) is opened on the insert block (7), and a screw rod (9) is connected with the threaded cylinder (8) through internal threads.

4. The trestle steel structure for tunnel construction according to claim 1, wherein the insert (5) comprises a circular piece (51) and a baffle (52) arranged on the upper part of the circular piece (51), and threaded holes (53) are formed in the surfaces of the circular piece (51) and the baffle (52).

5. The trestle steel structure for tunnel construction according to claim 4, characterized in that the baffle plate (52) is connected with the circular plate (51) in a vertical or inclined manner.