CN215979166U

CN215979166U - Safety ladder cage for narrow foundation pit

Info

Publication number: CN215979166U
Application number: CN202122092092.9U
Authority: CN
Inventors: 梁时威
Original assignee: Guangdong Yuetai Building Materials Co ltd
Current assignee: Guangdong Yuetai Building Materials Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-08
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a safety ladder cage for a narrow foundation pit, which comprises a ladder cage assembly, wherein the ladder cage assembly comprises an upper platform, a lower platform, an upright post and a stair; the upper platform is a rectangular frame, and a plurality of through holes are formed in the upper surface and the outer side surface of the upper platform; the lower platform is also a rectangular frame, and a plurality of through holes are formed in the bottom surface and the outer side surface of the lower platform; the upper end of the upright post is detachably connected with the upper platform, and the lower end of the upright post is detachably connected with the lower platform; the utility model provides a narrow foundation pit safety ladder cage which is good in flexibility and convenient to install and disassemble.

Description

Safety ladder cage for narrow foundation pit

Technical Field

The utility model relates to the technical field of vertical shaft equipment, in particular to a safety ladder cage for a narrow foundation pit.

Background

The safety ladder cage can provide a safety channel for constructors to construct upper and lower foundation pits, and a plurality of ladder cages can be assembled up and down to form a ladder cage group according to the construction progress so as to adapt to different construction foundation pit depths. According to prior art, different foundation ditch have different degree of depth, width and length, need be in the same place a plurality of ladder cage combinations, and the flexibility is poor, and installation and dismantlement are inconvenient.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the defects of the prior art are overcome, and the narrow foundation pit safety ladder cage with good flexibility and convenient installation and disassembly is provided.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a safety ladder cage for a narrow foundation pit comprises a ladder cage assembly, wherein the ladder cage assembly comprises an upper platform, a lower platform, an upright post and a stair;

the upper platform is a rectangular frame, and a plurality of through holes are formed in the upper surface and the outer side surface of the upper platform;

the lower platform is also a rectangular frame, and a plurality of through holes are formed in the bottom surface and the outer side surface of the lower platform;

the upper end of the upright post is detachably connected with the upper platform, and the lower end of the upright post is detachably connected with the lower platform;

the upper end of the stair is detachably connected with the upper platform, and the lower end of the stair is detachably connected with the lower platform.

After adopting the structure, compared with the prior art, the utility model has the following advantages: the ladder cage assembly comprises an upper platform, a lower platform, upright posts and stairs. The upper platform and the lower platform are detachably connected through the stand column, and the two ends of the stair are detachably connected with the upper platform and the lower platform respectively, so that the flexibility is good, and the installation and the disassembly are convenient. Simultaneously all be equipped with the through-hole on last platform and lower platform, be convenient for like this between the ladder cage subassembly each other can dismantle the connection.

Preferably, the upper platform comprises four angle irons, and the opening direction of the angle irons faces to the center of the ladder cage assembly, so that the structure is simple, and the cost is low.

Preferably, the lower platform also comprises four angle irons, and the opening direction of the angle irons faces to the center of the ladder cage assembly, so that the structure is simple, and the cost is low.

Preferably, the number of the upright posts is four, and the upright posts are respectively positioned at four corners of the rectangular frame, so that the structure is simple.

Preferably, the upright post is also provided with a through hole, the bolt sequentially penetrates through the through hole of the upper platform and the through hole on the upright post to realize the connection of the upright post and the upper platform, the bolt sequentially penetrates through the through hole of the lower platform and the through hole on the upright post to realize the connection of the upright post and the lower platform, and the installation and the disassembly are simple.

Preferably, the front side and the rear side of the ladder cage assembly are respectively provided with a protective net for protection.

Preferably, the protective net is arranged in the protective frame, the upper end of the protective frame is fixed on the upper platform, and the lower end of the protective frame is fixed on the lower platform, so that the protective net is convenient to arrange.

Preferably, the protective frame is internally provided with a reinforcing plate, the reinforcing plate is arranged in the protective frame in a crossed mode, the strength of the protective frame is enhanced, and the reliability is high.

Preferably, a positioning plate is arranged on the side surface of the upper end part of the stair and is hung on the upper platform;

the bottom surface of stair lower extreme tip be equipped with the limiting plate, the limiting plate support and lean on lower platform, be convenient for the installation and the dismantlement of stair, the reliability is high.

Preferably, lower platform bottom be equipped with the adjusting device who is used for adjusting lower platform levelness, lower platform establish on adjusting device, ensure that lower platform is in the horizontality, factor of safety is high.

Drawings

Fig. 1 is a perspective view of the safety ladder cage for the narrow foundation pit of the utility model.

Fig. 2 is a perspective view of the lower platform of the safety ladder cage for the narrow foundation pit.

Fig. 3 is a perspective view of the upper platform of the safety ladder cage for the narrow foundation pit of the utility model.

Fig. 4 is a perspective view of the upright posts and the protective net of the safety ladder cage for the narrow foundation pit of the utility model.

FIG. 5 is a front view of the protection frame and the reinforcing plate of the safety ladder cage for the narrow foundation pit of the utility model.

Fig. 6 is a perspective view of the safety ladder cage for the narrow foundation pit of the utility model.

Fig. 7 is an exploded schematic view of the safety ladder cage adjusting device for the narrow foundation pit.

The device comprises an upper platform, a lower platform, a column, a stair, a through hole, a protective net, a protective frame, a reinforcing plate, a positioning plate, a limiting plate, a connecting lug, a mounting plate, a fixing plate, a bottom frame, a bracket, a guide hole, a guide sleeve and a platform plate, wherein the upper platform is 1, the lower platform is 2, the lower platform is 3, the column is 4, the stair is 5, the through hole is 6, the protective net is 7, the protective frame is 8, the reinforcing plate is 9, the positioning plate, the limiting plate is 10, the bracket is 11, the connecting lug is 12, the mounting plate is 13, the fixing plate, the bottom frame is 15, the bracket is 16, the guide hole is 17, the guide sleeve is 18, and the platform plate is flat.

Detailed Description

The utility model is further described with reference to the following figures and detailed description.

As shown in figure 1, the utility model provides a safety ladder cage for a narrow foundation pit, which comprises a ladder cage assembly, wherein the ladder cage assembly comprises an upper platform 1, a lower platform 2, an upright post 3 and a stair 4. The upper end of the upright post 3 is detachably connected with the upper platform 1, and the lower end of the upright post 3 is detachably connected with the lower platform 2; the upper end of the stair 4 is detachably connected with the upper platform 1, and the lower end of the stair 4 is detachably connected with the lower platform 2.

As an embodiment, as shown in fig. 3, the upper platform 1 includes four angle irons, the four angle irons enclose a rectangle, the angle irons have two outer surfaces, one outer surface forms the upper surface of the upper platform 1, the other outer surface forms the outer side surface of the upper platform 1, a plurality of through holes 5 are arranged on the outer side surfaces of the angle irons, bolts pass through the through holes 5 and then are locked by nuts, so that a new ladder cage assembly can be conveniently installed on the upper platform 1 upwards, and the new ladder cage assembly can also be installed left, right, front and back.

As an embodiment, as shown in fig. 2, the lower platform 2 also includes four angle irons, the four angle irons enclose a rectangle, each angle iron has two outer surfaces, one outer surface forms the bottom surface of the lower platform 2, the other outer surface forms the outer side surface of the lower platform 2, the outer side surfaces of the angle irons are respectively provided with a plurality of through holes 5, bolts pass through the through holes 5 and then are locked by nuts, so that a new ladder cage assembly can be conveniently installed on the lower platform 2 downwards, and the new ladder cage assembly can also be installed left, right, front and back.

Specifically, when a new cage assembly is installed upwards or downwards, the through hole 5 on the upper surface of the upper platform 1 in the lower cage assembly is connected with the through hole 5 on the bottom surface of the lower platform 2 in the upper cage assembly through a bolt; when installing new ladder cage subassembly about or around, pass through bolted connection between the through-hole 5 of 1 lateral surface of platform on two adjacent ladder cage subassemblies, pass through bolted connection between the through-hole 5 of 2 lateral surfaces of platform under two adjacent ladder cage subassemblies.

As an embodiment, stand 3 also is the angle bar, stand 3 establishes the position at four angles of ladder cage subassembly, two lateral surfaces of stand 3 all correspond two lateral surfaces of ladder cage subassembly, also all establish through-hole 5 on two lateral surfaces of stand 3, upper mounting plate 1 is connected with stand 3 and is connected with through-hole 5 on utilizing the bolt to pass upper mounting plate 1 and the through-hole 5 on stand 3, lower mounting plate 2 is connected with stand 3 and is connected with through-hole 5 on utilizing the bolt to pass lower mounting plate 2 and the through-hole 5 on the stand 3.

As an embodiment, as shown in fig. 1, 4 and 5, the front and rear sides of the ladder cage assembly are provided with protective nets 6, and specifically, the ladder cage assembly further comprises protective frames 7, the protective nets 6 are arranged in the protective frames 7, and the protective frames 7 are respectively installed on the front and rear sides of the ladder cage assembly. Specifically, the upper end of the protection frame 7 is connected with the upper platform 1, the lower end of the protection frame 7 is connected with the lower platform 2, specifically, the protection frame 7 also comprises 4 angle irons, through holes 5 are also arranged on the positions of the angle irons corresponding to the outer side surface of the ladder cage assembly, a plurality of connecting lugs 11 are arranged on the upper platform 1 and the lower platform 2, the through holes 5 are also arranged on the connecting lugs 11, and the protection frame 7 is connected with the upper platform 1 and the protection frame 7 and the lower platform 2 and is realized by the through holes 5 of the connecting lugs 11 and the through holes 5 on the protection frame 7 through screws. Specifically, one protection frame 7 corresponds to four engaging lugs 11. That is, the upper end of one protection frame 7 is connected to the two engaging lugs 11 on the upper platform 1, and the lower end of one protection frame 7 is connected to the two engaging lugs 11 on the lower platform 2. Specifically, in order to reinforce the strength of the protection frame 7 and the protection net 6, a reinforcing plate 8 is provided in the protection frame 7, the reinforcing plate 8 is provided in the protection frame 7 in a crossing manner, and the protection net 6 is fixed to the reinforcing plate 8. Specifically, two protection frames 7 are arranged on the front side surface and the rear side surface of the ladder cage assembly. Specifically, the left side surface and the right side surface of the ladder cage assembly can also be provided with the protective net 6, specifically, the protective net 6 can be fixed on the reinforcing plate 8, and the two ends of the reinforcing plate 8 are crosswise arranged on the upright posts 3. The protective nets 6 can be installed according to actual conditions, and if the front and rear sides of the ladder cage assembly are connected in the front and rear direction, the protective nets 6 are not arranged on the front and rear sides of the ladder cage assembly; if the left side and the right side of the ladder cage assembly are connected with each other, the protection nets 6 are not arranged on the left side and the right side of the ladder cage assembly; if the ladder cage assembly is connected up and down, the protective nets 6 are arranged on the front side, the rear side, the left side and the right side of the ladder cage assembly.

As an example, as shown in fig. 1, 2, 3 and 6, in order to install the staircase 4, a positioning plate 9 is set on the right side surface of the upper end of the staircase 4, the positioning plate 9 is in a downward opening 'Contraband' structure, the positioning plate 9 is hung on the upper platform 1, specifically, a mounting plate 12 is arranged on the upper platform 1, the mounting plates 12 are distributed along the width direction of the upper platform 1, and the positioning plate 9 is hung on the mounting plate 12; establish limiting plate 10 at the basal surface of 4 lower extremes of stair, limiting plate 10 is the right angle board, and limiting plate 10 supports and leans on under on platform 2, specifically, establishes fixed plate 13 on platform 2 down, and fixed plate 13 sets up along 2 width direction of platform down, and two internal surfaces of limiting plate 10 support respectively and lean on fixed plate 13 upper surface and lateral surface. Specifically, the mounting plate 12 and the fixing plate 13 are respectively located at the left and right ends of the ladder cage assembly. Specifically, establish the landing slab 18 on the lower platform 2, the landing slab 18 is established in the space between fixed plate 13 and lower platform 2, is convenient for the people to walk.

As an embodiment, as shown in fig. 7, in order to ensure that the elevator cage assembly is in a horizontal state during use and ensure installation in use, an adjusting device is provided to adjust the horizontal state of the lower platform 2, the adjusting device includes a bottom frame 14, a bracket 15 and nuts, the bottom frame 14 is a rectangular frame with a size corresponding to that of the lower platform 2, four guide holes 16 are provided on the rectangular frame, the guide holes 16 are located at four corners of the rectangular frame, screws are provided on the bracket 15, the screws correspond to the guide holes 16 one by one, the lower platform 2 is placed on the bottom frame 14 during installation, the bracket 15 is fixed on the ground, the bolts extend into the guide holes 16, the nuts are sleeved on the screws, the nuts are located between the bracket 15 and the bottom frame 14, and the nuts correspond to the screws one by one. Rotating the nut, and when the nut abuts against the bottom surface of the bottom frame 14 and continues to rotate to enable the nut to move upwards, the bottom frame 14 can be lifted upwards; the frame 14 is lowered as the nut continues to rotate as it abuts the bottom surface of the frame 14, moving the nut downwardly. Through adjusting the nut on four screw rods, can adjust the levelness of whole underframe to adjust platform 2's levelness down, also adjusted the levelness of ladder cage subassembly. Specifically, a guide sleeve 17 is arranged on the side surface of the bottom frame 14, and a guide hole 16 is arranged in the guide sleeve 17, so that the vertical movement of the bottom frame can be guided. The guide sleeve 17 is welded to the bottom frame 14.

In particular, the principle of the utility model is that the ladder cage assembly comprises an upper platform 1, a lower platform 2, a pillar 3 and a staircase 4. The upper platform 1 and the lower platform 2 are detachably connected through the upright posts 3, and the two ends of the stair 4 are detachably connected with the upper platform 1 and the lower platform 2 respectively, so that the flexibility is good, and the installation and the disassembly are convenient. All be equipped with through-hole 5 on upper mounting plate 1 and lower mounting plate 2 simultaneously, be convenient for like this between the ladder cage subassembly each other can dismantle the connection, both can connect from top to bottom, also can control the front and back connection, the construction installation is nimble changeable, like stacking the building blocks, increases the convenience for the construction, reduces construction purchasing cost.

On the basis of the above-described aspects, if various changes or modifications to the present invention are made without departing from the spirit and scope of the present invention, it is intended that the present invention also include these changes and modifications if they fall within the scope of the claims and the equivalent technical scope of the present invention.

Claims

1. The utility model provides a narrow position foundation ditch safety ladder cage, includes ladder cage subassembly, its characterized in that: the ladder cage assembly comprises an upper platform (1), a lower platform (2), a stand column (3) and a stair (4);

the upper platform (1) is a rectangular frame, and a plurality of through holes (5) are formed in the upper surface and the outer side surface of the upper platform (1);

the lower platform (2) is also a rectangular frame, and a plurality of through holes (5) are formed in the bottom surface and the outer side surface of the lower platform (2);

the upper end of the upright post (3) is detachably connected with the upper platform (1), and the lower end of the upright post (3) is detachably connected with the lower platform (2);

stair (4) upper end can dismantle with upper ledge (1) and be connected, stair (4) lower extreme can dismantle with lower platform (2) and be connected.

2. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: the upper platform (1) comprises four angle irons, and the opening direction of the angle irons faces to the center of the ladder cage assembly.

3. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: the lower platform (2) also comprises four angle irons, and the opening direction of the angle irons faces to the center of the ladder cage assembly.

4. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: the number of the upright posts (3) is four, and the upright posts (3) are respectively positioned at four corners of the rectangular frame.

5. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: the stand (3) also be equipped with through-hole (5), the through-hole that the bolt passed last platform (1) in proper order and through-hole (5) on stand (3) realize being connected of stand (3) and last platform (1), the through-hole that the bolt passed lower platform (2) in proper order and through-hole (5) on stand (3) realize being connected of stand (3) and lower platform (2).

6. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: the front side and the rear side of the ladder cage assembly are respectively provided with a protective net (6).

7. The safety ladder cage for the narrow foundation pit as claimed in claim 6, wherein: the protective net is characterized by further comprising a protective frame (7), the protective net (6) is arranged in the protective frame (7), the upper end of the protective frame (7) is fixed on the upper platform (1), and the lower end of the protective frame (7) is fixed on the lower platform (2).

8. The safety ladder cage for the narrow foundation pit as claimed in claim 6, wherein: the protective frame (7) is internally provided with a reinforcing plate (8), and the reinforcing plate (8) is arranged in the protective frame (7) in a crossed manner.

9. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: a positioning plate (9) is arranged on the side surface of the upper end part of the stair (4), and the positioning plate (9) is hung on the upper platform (1);

the bottom surface of the lower end part of the stair (4) is provided with a limiting plate (10), and the limiting plate (10) is abutted against the lower platform (2).

10. The safety ladder cage for the narrow foundation pit according to claim 1, characterized in that: the bottom of the lower platform (2) is provided with an adjusting device for adjusting the levelness of the lower platform (2), and the lower platform (2) is arranged on the adjusting device.