阅读说明：本技术 一种隧道施工用双层脚手架 (Double-layer scaffold for tunnel construction ) 是由 戴幸福 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种隧道施工用双层脚手架,包括第一平台,所述第一平台的上方安装有多个立柱,多个所述立柱之间通过防护板进行连接,所述第一平台的下方安装有双层装置,所述双层装置的下方设置有底板,所述底板与第一平台之间通过多个电动升降杆进行连接,所述底板的下方设置有多个连接轴,所述底板与连接轴之间通过多个螺丝进行连接,所述连接轴的左右两侧均安装有移动轮,所述移动轮远离连接轴的一侧设置有橡胶防滑垫；本发明通过设置托板、第一限位板、螺杆、螺母、第二平台、升降柱、升降外壳、第二限位板和第一弹簧,使得第二平台可以根据工作的需要选择收起或放下,从而减少了占用空间,提高了实用性。(The invention discloses a double-layer scaffold for tunnel construction, which comprises a first platform, wherein a plurality of stand columns are arranged above the first platform and are connected through a protection plate, a double-layer device is arranged below the first platform, a bottom plate is arranged below the double-layer device, the bottom plate is connected with the first platform through a plurality of electric lifting rods, a plurality of connecting shafts are arranged below the bottom plate, the bottom plate is connected with the connecting shafts through a plurality of screws, moving wheels are arranged on the left side and the right side of each connecting shaft, and a rubber anti-skid pad is arranged on one side, away from the connecting shafts, of each moving wheel; according to the invention, the supporting plate, the first limiting plate, the screw rod, the nut, the second platform, the lifting column, the lifting shell, the second limiting plate and the first spring are arranged, so that the second platform can be selectively folded or put down according to the working requirement, the occupied space is reduced, and the practicability is improved.)

1. The utility model provides a double-deck scaffold frame is used in tunnel construction, includes first platform (3), its characterized in that: the device is characterized in that a plurality of stand columns (1) are installed above the first platform (3), the stand columns (1) are connected through a protection plate (2), a double-layer device (4) is installed below the first platform (3), a bottom plate (11) is arranged below the double-layer device (4), the bottom plate (11) is connected with the first platform (3) through a plurality of electric lifting rods (14), a plurality of connecting shafts (10) are arranged below the bottom plate (11), the bottom plate (11) is connected with the connecting shafts (10) through a plurality of screws (9), moving wheels (8) are installed on the left side and the right side of each connecting shaft (10), rubber anti-skid pads (7) are arranged on one sides, far away from the connecting shafts (10), of the moving wheels (8), connecting rods (13) are installed above the rubber anti-skid pads (7), second springs (12) are arranged on the outer sides of the connecting rods (13), fixed plate (5) are installed to the top of connecting rod (13), be connected through inserted bar (6) between fixed plate (5) and bottom plate (11).

2. The double-layered scaffold for tunnel construction according to claim 1, wherein: double-deck device (4) are including layer board (41), first limiting plate (42), screw rod (43), nut (44), second platform (45), lift post (46), lift shell (47), second limiting plate (48) and first spring (49), the top of second platform (45) is provided with a plurality of screw rods (43), the outside of screw rod (43) is provided with nut (44), the top of screw rod (43) is provided with first limiting plate (42), the below of second platform (45) is provided with layer board (41), the below of layer board (41) is provided with lift post (46), the below of lift post (46) is provided with second limiting plate (48), the below of second limiting plate (48) is provided with first spring (49), the outside of second limiting plate (48) is provided with lift shell (47).

3. The double-layered scaffold for tunnel construction according to claim 1, wherein: the upright post (1) is fixedly connected with the first platform (3) in a welding mode.

4. The double-layered scaffold for tunnel construction according to claim 1, wherein: the height of the highest position of the bottom plate (11) is equal to the sum of the heights of the rubber anti-skid pad (7) and the connecting rod (13).

5. The double-layered scaffold for tunnel construction according to claim 1, wherein: and two ends of the second spring (12) are respectively connected with the rubber antiskid pad (7) and the bottom plate (11).

6. The double-layered scaffold for tunnel construction according to claim 1, wherein: holes are formed in the positions, intersected with the screw rods (43), of the first platforms (3), and the diameters of the holes in the first platforms (3) are equal to the diameters of the screw rods (43).

7. The double-layered scaffold for tunnel construction according to claim 2, wherein: the diameter of the first limit plate (42) is larger than that of the screw (43).

8. The double-layered scaffold for tunnel construction according to claim 2, wherein: the cross sectional area of the second limiting plate (48) is larger than that of the opening above the lifting shell (47).

Technical Field

The invention belongs to the technical field of scaffolds, and particularly relates to a double-layer scaffold for tunnel construction.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. The scaffold is divided into an outer scaffold and an inner scaffold according to the erected positions; the scaffold can be divided into a wood scaffold, a bamboo scaffold and a steel pipe scaffold according to different materials; the scaffold is divided into a vertical rod type scaffold, a bridge type scaffold, a door type scaffold, a suspension type scaffold, a hanging type scaffold, a lifting type scaffold and a climbing type scaffold according to the structural form.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a double-layer scaffold for tunnel construction, which has the characteristics of good practicability and high fixing capacity.

In order to achieve the purpose, the invention provides the following technical scheme: a double-layer scaffold for tunnel construction comprises a first platform, a plurality of upright posts are arranged above the first platform and connected through a protection plate, a double-layer device is arranged below the first platform, a bottom plate is arranged below the double-layer device, the bottom plate is connected with the first platform through a plurality of electric lifting rods, a plurality of connecting shafts are arranged below the bottom plate, the bottom plate is connected with the connecting shaft through a plurality of screws, the left side and the right side of the connecting shaft are both provided with moving wheels, one side of the moving wheel far away from the connecting shaft is provided with a rubber non-slip mat, a connecting rod is arranged above the rubber non-slip mat, the outside of connecting rod is provided with the second spring, the fixed plate is installed to the top of connecting rod, be connected through the inserted bar between fixed plate and the bottom plate.

Preferably, the double-deck device includes layer board, first limiting plate, screw rod, nut, second platform, lift post, lift shell, second limiting plate and first spring, the top of second platform is provided with a plurality of screw rods, the outside of screw rod is provided with the nut, the top of screw rod is provided with first limiting plate, the below of second platform is provided with the layer board, the below of layer board is provided with the lift post, the below of lift post is provided with the second limiting plate, the below of second limiting plate is provided with first spring, the outside of second limiting plate is provided with the lift shell.

Preferably, the upright post is fixedly connected with the first platform in a welding mode.

Preferably, the height of the highest position of the bottom plate is equal to the sum of the heights of the rubber anti-skid pad and the connecting rod.

Preferably, two ends of the second spring are respectively connected with the rubber non-slip mat and the bottom plate.

Preferably, a hole is formed in the position, intersected with the screw, of the first platform, and the diameter of the hole in the first platform is equal to that of the screw.

Preferably, the diameter of the first limit plate is larger than that of the screw.

Preferably, the cross-sectional area of the second limiting plate is larger than that of the opening above the lifting shell.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the supporting plate, the first limiting plate, the screw rod, the nut, the second platform, the lifting column, the lifting shell, the second limiting plate and the first spring are arranged, so that the second platform can be selectively folded or put down according to the working requirement, the occupied space is reduced, and the practicability is improved.

2. According to the scaffold, the fixing plate, the inserting rod, the rubber anti-slip pad, the screw, the connecting shaft, the bottom plate, the second spring and the connecting rod are arranged, so that the scaffold can be always kept in a fixed state in the working process, the fixing capacity of the scaffold is improved, and the normal operation of the scaffold is guaranteed.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a column; 2. a protection plate; 3. a first platform; 4. a double-layer device; 41. a support plate; 42. a first limit plate; 43. a screw; 44. a nut; 45. a second platform; 46. a lifting column; 47. lifting the housing; 48. a second limiting plate; 49. a first spring; 5. a fixing plate; 6. inserting a rod; 7. a rubber non-slip mat; 8. a moving wheel; 9. a screw; 10. a connecting shaft; 11. a base plate; 12. a second spring; 13. a connecting rod; 14. an electric lifting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a double-deck scaffold frame is used in tunnel construction, including first platform 3, a plurality of stands 1 are installed to first platform 3's top, connect through guard plate 2 between a plurality of stands 1, double-deck device 4 is installed to first platform 3's below, double-deck device 4's below is provided with bottom plate 11, be connected through a plurality of electric lift pole 14 between bottom plate 11 and the first platform 3, bottom plate 11's below is provided with a plurality of connecting axles 10, be connected through a plurality of screws 9 between bottom plate 11 and the connecting axle 10, removal wheel 8 is all installed to the left and right sides of connecting axle 10, it is provided with rubber slipmat 7 to remove wheel 8 one side of keeping away from connecting axle 10, connecting rod 13 is installed to rubber slipmat 7's top, the outside of connecting rod 13 is provided with second spring 12, fixed plate 5 is installed to connecting rod 13's top, be connected through inserted bar 6 between fixed plate.

In order to ensure the normal operation of the double-deck device 4, in this embodiment, preferably, the double-deck device 4 includes a supporting plate 41, a first limiting plate 42, a screw 43, a nut 44, a second platform 45, a lifting column 46, a lifting housing 47, a second limiting plate 48 and a first spring 49, the plurality of screws 43 are disposed above the second platform 45, the nut 44 is disposed outside the screw 43, the first limiting plate 42 is disposed above the screw 43, the supporting plate 41 is disposed below the second platform 45, the lifting column 46 is disposed below the supporting plate 41, the second limiting plate 48 is disposed below the lifting column 46, the first spring 49 is disposed below the second limiting plate 48, and the lifting housing 47 is disposed outside the second limiting plate 48.

In order to ensure the normal operation of the upright 1, in the embodiment, preferably, the upright 1 is fixedly connected with the first platform 3 by welding.

In order to ensure the normal operation of the rubber mat 7, in the present embodiment, it is preferable that the height of the highest point of the bottom plate 11 is equal to the sum of the heights of the rubber mat 7 and the connecting rod 13.

In order to ensure the normal operation of the second spring 12, in this embodiment, it is preferable that both ends of the second spring 12 are respectively connected to the rubber mat 7 and the bottom plate 11.

In order to ensure the normal operation of the double-layer device 4, in this embodiment, it is preferable that a hole is provided on the first platform 3 at a position intersecting with the screw 43, and the diameter of the hole on the first platform 3 is equal to the diameter of the screw 43.

In order to ensure the normal operation of the double layer device 4, in the present embodiment, it is preferable that the diameter of the first limit plate 42 is larger than the diameter of the screw 43.

In order to ensure the normal operation of the double deck apparatus 4, in this embodiment, it is preferable that the cross-sectional area of the second stopper plate 48 is larger than the cross-sectional area of the upper opening of the lift case 47.

The working principle and the using process of the invention are as follows: firstly, the scaffold is moved to a working place through the moving wheel 8, then the connecting shaft 10 and the bottom plate 11 are fixedly connected through the screw 9, thereby preventing the connecting shaft 10 from rotating, further preventing the moving wheel 8 from rotating, the fixing plate 5 is pressed down, thereby the rubber anti-skid mat 7 is driven to descend through the connecting rod 13, then the rubber anti-skid mat is fixed through the inserting rod 6, after the fixing is finished, the electric lifting rod 14 is started, the electric lifting rod 14 drives the first platform 3 to ascend, the upright post 1 and the protection plate 2 play a role of protection, when the work is needed, the position of the nut 44 in the double-layer device 4 on the screw 43 is adjusted, thereby the second platform 45 is put down, the first limiting plate 42 plays a role of limiting, the first spring 49 in the lifting shell 47 gives a certain supporting force to the second platform 45 through the second limiting plate 48, the lifting column 46 and the supporting plate 41, thereby ensuring the normal work of the second platform 45, after the second platform 45 is adjusted, the scaffold starts to work.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.