Chimney steel structure ladder stand

Abstract

The utility model discloses a chimney steel structure ladder stand which comprises an installation sleeve, a chimney pipe is connected in the installation sleeve in a sleeved mode, the side end of the installation sleeve is fixedly connected with a first installation ring, a second installation ring and a third installation ring, the side end of the chimney pipe is fixedly connected with a fourth installation ring, and the fourth installation ring is fixedly connected with the first installation ring through a bolt and a nut. The upper end of the second mounting ring is fixedly connected with a lantern ring through a bolt; the side end of the lantern ring is movably connected with a movable ring; the mounting sleeve, the lantern ring, the movable ring, the base station, the rotating ring, the upper climbing frame, the foot bar and the fixed rod are combined to form a rotary ladder stand mechanism, the side surface of the chimney pipe can be inspected in all directions, and the flexibility of the ladder stand is improved; the installation structure is formed by combining the installation sleeve, the chimney pipe, the base station, the installation ring, the bolt and the nut, the structure is simple, disassembly and assembly are convenient, and overhauling and replacement of the crawling ladder are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of ladder structures, in particular to a chimney steel structure ladder. Background Art

[0002] The existing chimney steel structure ladder is difficult to cover all positions of the chimney pipe during the maintenance of the chimney pipe, which will make the chimney pipe maintenance difficult and the ladder is not flexible enough; the installation structure of the ladder mostly adopts welding or complex installation methods, which is not easy to install and disassemble, and is not conducive to the maintenance and replacement of the ladder. The Chinese patent discloses a "steel structure straight ladder for concrete chimneys", with the application number "CN202221863019.5", which includes a chimney body, a plurality of connecting plates are fixedly connected to the chimney body at equal intervals along its height direction, a straight ladder is connected to the connecting plate through a connecting member, the straight ladder includes two vertical support rods arranged at intervals, a horizontal pedal is arranged between the vertical support rods, and a gripping round rod is fixedly connected to the two ends of the horizontal pedal. A protective device is arranged on the outside of the straight ladder, and the protective device includes a plurality of arc-shaped protective nets fixedly connected to the two vertical support rods, and a locking plate 1 is fixedly connected to the outside of the protective net at the bottom, and a limiting net is arranged at the bottom of the protective net. One side of the limiting net is hinged to the outside of the chimney body through a hinge, and a lock is connected to the locking plate 1 and the locking plate 2. However, it is difficult for the ladder to cover all positions of the chimney pipe, and the flexibility of the ladder is insufficient; the ladder is not easy to disassemble and assemble, which is not conducive to maintenance and replacement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art and provides a chimney steel structure ladder. A rotating ladder mechanism is formed by a combination of an installation sleeve, a sleeve ring, a movable ring, a base, a rotating ring, an upper climbing frame, a pedal and a fixed rod. The side surface of the chimney pipe can be inspected in all directions, and the flexibility of the ladder is improved. An installation structure is formed by a combination of an installation sleeve, a chimney pipe, a base, a mounting ring, bolts and nuts. The structure is simple and the disassembly and assembly are convenient, which is conducive to the inspection and replacement of the ladder.

[0004] The utility model also provides a chimney steel structure ladder as mentioned above, comprising: a mounting sleeve, a chimney pipe is sleeved in the mounting sleeve, a first mounting ring, a second mounting ring and a third mounting ring are fixedly connected to the side end of the mounting sleeve, a fourth mounting ring is fixedly connected to the first mounting ring by bolts and nuts, the upper end of the second mounting ring is fixedly connected to a sleeve ring by bolts, and the side end of the sleeve ring is movably connected to a movable ring; a base, the base is sleeved with the mounting sleeve, the upper end of the base is fixedly connected to the third mounting ring by bolts, the upper end of the base is provided with a rotating ring, the upper end of the rotating ring is fixedly connected to an upper climbing frame, a step rod is fixedly connected in the upper climbing frame, and the side end of the step rod is fixedly connected to the movable ring by a fixed rod.

[0005] According to the chimney steel structure ladder of the utility model, the second mounting ring is located below the first mounting ring, which is conducive to reasonable layout. The second mounting ring is located above the third mounting ring, which is conducive to reasonable layout.

[0006] According to the chimney steel structure ladder of the utility model, the lower end of the fourth mounting ring abuts against the upper end of the first mounting ring, making the structure compact. The bolts and nuts are threadedly connected, which is conducive to quick disassembly and assembly.

[0007] According to the chimney steel structure ladder of the utility model, the lower end of the collar abuts against the lower end of the second mounting ring, making the structure compact. The collar is located below the first mounting ring, which is conducive to reasonable layout.

[0008] According to the chimney steel structure ladder of the utility model, the upper end of the base is in contact with the lower end of the third mounting ring, making the structure compact. The base is located below the second mounting ring, which is conducive to reasonable layout.

[0009] According to the chimney steel structure ladder described in the utility model, the side end of the base is fixedly connected with a lower climbing frame, which is convenient for climbing.

[0010] According to the chimney steel structure ladder described in the utility model, the side end of the base is fixedly connected with a mounting plate, which is convenient for installation and fixation. The mounting plate is provided with mounting holes for convenient and stable installation. The mounting holes are located at the four corners of the mounting plate, which is conducive to stable installation.

[0011] Beneficial Effects

[0012] 1. Compared with the prior art, the chimney steel structure ladder forms a rotating ladder mechanism through the combination of the installation sleeve, the sleeve ring, the movable ring, the base, the rotating ring, the upper climbing frame, the step rod and the fixed rod, which can perform an all-round inspection on the side surface of the chimney pipe, and the flexibility of the ladder is improved;

[0013] 2. Compared with the prior art, the chimney steel structure ladder forms an installation structure through a combination of an installation sleeve, a chimney pipe, a base, a mounting ring, bolts and nuts. It has a simple structure and is easy to disassemble and assemble, which is conducive to the inspection and replacement of the ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a structural schematic diagram of a chimney steel structure ladder of the utility model;

[0016] Figure 2It is a structural schematic diagram of a chimney steel structure ladder of the utility model in a state where a rotating ring of the upper climbing frame is turned;

[0017] Figure 3 This is a schematic diagram of the transverse cross-sectional structure of a chimney steel structure ladder of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the longitudinal section structure of a chimney steel structure ladder.

[0019] Legend:

[0020] 1. Base; 2. Mounting sleeve; 3. Lower climbing frame; 4. Third mounting ring; 5. Rotating ring; 6. Second mounting ring; 7. Sleeve ring; 8. Movable ring; 9. First mounting ring; 10. Fourth mounting ring; 11. Nut; 12. Bolt; 13. Chimney pipe; 14. Pedal rod; 15. Fixed rod; 16. Upper climbing frame; 17. Mounting plate; 18. Mounting hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a chimney steel structure ladder, which includes: a mounting sleeve 2, a chimney pipe 13 is sleeved in the mounting sleeve 2, and smoke is ejected. The side end of the mounting sleeve 2 is fixedly connected with a first mounting ring 9, a second mounting ring 6 and a third mounting ring 4 for docking and fixing. The second mounting ring 6 is located below the first mounting ring 9 to form a reasonable layout. The second mounting ring 6 is located above the third mounting ring 4 to form a reasonable layout. The side end of the chimney pipe 13 is fixedly connected with a fourth mounting ring 10 for docking and fixing. The fourth mounting ring 10 is fixedly connected with a bolt 12 The nut 11 is fixedly connected with the first mounting ring 9 to form a detachable structure. The lower end of the fourth mounting ring 10 abuts against the upper end of the first mounting ring 9 to form a compact structure. The bolt 12 and the nut 11 are threadedly connected to form a tightening structure. The upper end of the second mounting ring 6 is fixedly connected with the collar 7 by the bolt 12. The movable ring is installed. The side end of the collar 7 is movably connected with the movable ring 8 to fix the upper climbing frame. The lower end of the collar 7 abuts against the lower end of the second mounting ring 6 to form a compact structure. The collar 7 is located below the first mounting ring 9 to form a reasonable layout.

[0023] The base 1 is sleeved with the mounting sleeve 2 to form a compact structure. The upper end of the base 1 is fixedly connected to the third mounting ring 4 by a bolt 12 to form a detachable structure. The upper end of the base 1 abuts against the lower end of the third mounting ring 4 to form a compact structure. The base 1 is located below the second mounting ring 6 to form a reasonable layout. The side end of the base 1 is fixedly connected to the lower climbing frame 3 for climbing. The side end of the base 1 is fixedly connected to the mounting plate 17 for installation and fixing. The mounting plate 17 is provided with mounting holes 18 for stable installation. The mounting holes 18 are located at the four corners of the mounting plate 17 to form a stable layout. The upper end of the base 1 is provided with a rotating ring 5 to rotate the upper climbing frame. The upper end of the rotating ring 5 is fixedly connected to the upper climbing frame 16. The upper climbing frame 16 is fixedly connected with a pedal rod 14 for stepping on. The side end of the pedal rod 14 is fixedly connected to the movable ring 8 through a fixed rod 15 to form a stable structure.

[0024] Working principle: Use the chimney steel structure ladder to inspect and repair the chimney, climb to the base 1 through the lower climbing frame 3, rotate the upper climbing frame 16 to a suitable position through the rotating ring 5, and climb to the position that needs to be inspected and repaired through the upper climbing frame 16 for maintenance; through the combination of the installation sleeve 2, the chimney pipe 13, the base 1, the first installation ring 9, the second installation ring 6, the third installation ring 4, the fourth installation ring 10, the bolts 12 and the nuts 11, a mounting structure that is conducive to the inspection and replacement of the ladder is formed, the structure is simple, and the disassembly and assembly are convenient.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A chimney steel structure ladder, characterized in that: include: A mounting sleeve (2), wherein a chimney pipe (13) is sleeved inside the mounting sleeve (2), a first mounting ring (9), a second mounting ring (6) and a third mounting ring (4) are fixedly connected to the side end of the mounting sleeve (2), a fourth mounting ring (10) is fixedly connected to the side end of the chimney pipe (13), the fourth mounting ring (10) is fixedly connected to the first mounting ring (9) via a bolt (12) and a nut (11), the upper end of the second mounting ring (6) is fixedly connected to a collar (7) via a bolt (12), and the side end of the collar (7) is movably connected to a movable ring (8); A base (1), the base (1) is sleeved with a mounting sleeve (2), the upper end of the base (1) is fixedly connected to a third mounting ring (4) via a bolt (12), a rotating ring (5) is provided at the upper end of the base (1), the upper end of the rotating ring (5) is fixedly connected to an upper climbing frame (16), a pedal rod (14) is fixedly connected inside the upper climbing frame (16), and the side end of the pedal rod (14) is fixedly connected to a movable ring (8) via a fixing rod (15).

2. A chimney steel structure ladder according to claim 1, characterized in that: The second mounting ring (6) is located below the first mounting ring (9), and the second mounting ring (6) is located above the third mounting ring (4).

3. The chimney steel structure ladder according to claim 1, characterized in that: The lower end of the fourth mounting ring (10) abuts against the upper end of the first mounting ring (9), and the bolt (12) and the nut (11) are threadedly connected.

4. The chimney steel structure ladder according to claim 1, characterized in that: The lower end of the collar (7) abuts against the lower end of the second mounting ring (6), and the collar (7) is located below the first mounting ring (9).

5. The chimney steel structure ladder according to claim 1, characterized in that: The upper end of the base (1) abuts against the lower end of the third mounting ring (4), and the base (1) is located below the second mounting ring (6).

6. The chimney steel structure ladder according to claim 1, characterized in that: A lower climbing frame (3) is fixedly connected to the side end of the base platform (1).

7. The chimney steel structure ladder according to claim 1, characterized in that: A mounting plate (17) is fixedly connected to the side end of the base (1), and mounting holes (18) are arranged in the mounting plate (17). The mounting holes (18) are located at the four corners of the mounting plate (17).

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