Movable hanging ladder

Abstract

The utility model relates to the technical field of petroleum and petrochemical equipment, in particular to a movable hanging ladder which comprises a storage tank wall, a first-stage wind-resistant ring and a second-stage wind-resistant ring are arranged on the upper portion of the storage tank wall respectively, an edge-covered steel tank is installed on the outer side of the second-stage wind-resistant ring and connected with a hanging mechanism, and the hanging mechanism is connected with the first-stage wind-resistant ring and the second-stage wind-resistant ring. Main bearing rollers and protective wheels are installed on the secondary wind-resistant ring edge-covering steel tank, driving assemblies are installed on one sides of the two main bearing rollers respectively, and a steel hanging ring is installed at the top end of the hanging mechanism and used as a safety anchor point. The device combines the current storage tank operation situation in the petroleum and petrochemical industry, optimizes a newly-built storage tank inspection and storage tank maintenance operation method, achieves the purposes of rapidness, convenience and higher safety for external inspection, maintenance and facility technical improvement in the storage tank operation period in the petroleum and petrochemical industry, improves the use function of the storage tank, and reduces the maintenance cost of the storage tank. And the original production mode is updated and changed, the operation efficiency is improved, the labor intensity of workers is reduced, and safe construction operation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum and petrochemical equipment, in particular to a movable hanging ladder. Background Art

[0002] With the rapid development of the domestic economy, the demand for oil has increased year by year in the past decade. Petroleum and petrochemical commercial reserve oil depots are spread all over the country. During the use of oil storage tanks, the overhaul period of the tanks will reach a peak in recent years. In order to solve the problems of daily inspection, maintenance and repair, and technical transformation of storage tanks, the technical problems encountered in the overhaul construction, daily maintenance and repair, and technical transformation of storage tanks need to be updated and improved.

[0003] Existing similar devices have installation positions and suspension methods on the tank wall body, which poses a risk of causing deformation of the tank wall due to gravity and movement. In addition, the suspension device structure is too large and bulky, which not only wastes materials but also poses a disadvantage for safe operation. In addition, the overall weight of the device is heavy, the overall control stability is poor, and the suspension structure is not effectively protected. A movable hanging ladder is needed to solve this problem. Utility Model Content

[0004] The purpose of the present utility model is to provide a movable hanging ladder to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a movable hanging ladder, comprising a tank wall, wherein a first-level wind-resistant ring and a second-level wind-resistant ring are respectively provided on the upper part of the tank wall, a rimmed steel groove is installed on the outer side of the second-level wind-resistant ring, and the rimmed steel groove is connected to a suspension mechanism, main load-bearing rollers and protective wheels are respectively installed on the rimmed steel groove of the second-level wind-resistant ring, a driving assembly is installed on one side of the main load-bearing roller, a steel hanging ring is installed on the top of the suspension mechanism, and a steel hanging ring is connected to a steel wire rope, the steel hanging ring is connected to the first-level wind-resistant ring by a steel wire rope, springs and dampers used in conjunction with the springs are installed on both side ends of the suspension mechanism, a hanging ladder is connected to the bottom end of the suspension mechanism, two sets of nylon support wheels are installed on one side of the hanging ladder, and the other ends of the two sets of nylon support wheels are respectively connected to the tank reinforcement ring.

[0006] As an optimal technical solution of the present invention, a reduction motor is installed on the driving assembly, a first rotating rod is installed on the output end of the reduction motor, and a driving wheel is installed on the first rotating rod. The driving wheel is in contact with the top of the edging channel steel of the wind-resistant ring. When power is supplied, the driving wheel can rotate, thereby driving the movable hanging ladder to move parallely.

[0007] As a preferred technical solution of the present invention, a control box is installed on the hanging ladder, a main controller for controlling the entire device is installed in the control box, a touch sensor for sensing collision is also provided in the control box, and the drive assembly is connected to the control box.

[0008] As a preferred technical solution of the present invention, a load-bearing longitudinal beam and a supporting cross beam are fixedly installed on the suspension mechanism, and a hanging ladder is installed at the bottom end of the suspension mechanism.

[0009] As a preferred technical solution of the present invention, the hanging mechanism and the hanging ladder are connected by tightening the inclined support member, and a hanging ladder crossbeam is fixedly installed on the hanging ladder.

[0010] As the preferred technical solution of the present utility model, the total height of the hanging ladder is 19.20m, the working surface width is 1.2m, the ladder body thickness is 0.75m, and 12# I-beam is used as the main load-bearing beam and 120mm channel steel is used as the vertical load-bearing longitudinal beam.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] (1) The utility model is a movable hanging ladder. The hanging ladder set in this device is combined with the current operation status of storage tanks in the oil storage industry, optimizes the inspection and operation methods of newly built storage tanks, and achieves the purpose of fast and convenient external inspection, maintenance and facility technical transformation of storage tanks during operation in the oil storage industry, improves the use function of storage tanks, and updates and improves the original production method, improves operation efficiency, reduces the labor intensity of employees, and ensures safe construction operations.

[0013] (2) The utility model is a movable hanging ladder. The hanging ladder set in this device is implanted with electric drive function on both sides of the main load-bearing roller walking part. The driving wheel is driven to move by driving the reduction motor. The reduction motor uses a single-phase power supply as the access power supply. It is equipped with a brand speed-regulating reduction motor to ensure its stable and continuous movement performance. Springs are installed on the left and right sides of the suspension component, and a flexible rubber block is set on the top. When a collision occurs between the human body and the tank accessories, as the spring collapses, the touch sensor is powered off and the device stops moving immediately, which serves as a passive safety mode when an accident occurs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1This is a structural diagram of a movable hanging ladder according to an embodiment of the present utility model;

[0016] Figure 2 The present invention is a structural diagram of a main load-bearing roller drive assembly of a movable hanging ladder according to an embodiment of the present invention.

[0017] Reference numerals:

[0018] 1. Tank wall; 2. First-level windproof ring; 3. Steel hanging ring; 4. Steel wire rope; 5. Suspension mechanism; 6. Main load-bearing roller; 7. Edge steel channel; 8. Protection wheel; 9. Second-level windproof ring; 10. Load-bearing longitudinal beam; 11. Support beam; 12. Tensioning tilt support; 13. Ladder beam; 14. Ladder; 15. Nylon support wheel; 16. Tank reinforcement ring; 18. Control box; 19. Main controller; 20. Touch sensor; 21. Gear motor; 22. First rotating rod; 23. Drive wheel; 24. Spring. DETAILED DESCRIPTION

[0019] Below, the utility model is further described with reference to the accompanying drawings and specific embodiments:

[0020] Example 1

[0021] refer to Figure 1 Example 1 is described, including a tank wall, on which a first-level wind-resistant ring 2 and a second-level wind-resistant ring 9 are respectively connected, a rimmed steel groove 7 is installed on one side of the second-level wind-resistant ring 9, and the rimmed steel groove 7 is connected to a suspension mechanism 5, a main load-bearing roller 6 and a protective wheel 8 are respectively installed on the second-level wind-resistant ring 9 and the rimmed steel groove 7, a driving component is installed on one side of the main load-bearing roller 6, a steel hanging ring 3 is installed on the top of the suspension mechanism 5, and a steel wire rope 4 is connected to the steel hanging ring 3, and the steel hanging ring 3 is connected to the first-level wind-resistant ring 2 by the steel wire rope 4, a spring 26 and a damper used in conjunction with the spring 26 are installed on both sides of the suspension mechanism 5, and the bottom end of the suspension mechanism 5 is connected to A hanging ladder 14 is installed on one side of the hanging ladder 14. Two sets of nylon support wheels 15 are installed on the other end of the two sets of nylon support wheels 15. The other ends of the two sets of nylon support wheels 15 are connected to the tank reinforcement ring 16. The load-bearing longitudinal beam 10 and the support beam 11 are fixedly installed on the suspension mechanism 5. The hanging ladder 14 is installed on the bottom end of the suspension mechanism 5. The suspension mechanism 5 and the hanging ladder 14 are connected by welding and reinforced by the tightening inclined support member 12. The hanging ladder beam 11 is fixedly installed on the hanging ladder 14. The total height of the hanging ladder 14 is 19.20m, the working surface width is 1.2m, the ladder body thickness is 0.75m, 12# I-beam is used as the load-bearing main beam, and 120mm channel steel is used as the vertical load-bearing longitudinal beam;

[0022] In this embodiment, springs 24 are installed on the left and right sides of the suspension component 5, and a flexible rubber block is provided on the top. When a collision occurs between the human body and the tank accessories, the spring collapses and the touch sensor is powered off.

[0023] Example 2

[0024] refer to Figures 1 to 2 Example 2 is described. This embodiment further illustrates Example 1 and includes a drive assembly, on which a motor 21 is mounted. A first rotating rod 22 is mounted at the output end of the motor 21, and a drive wheel 23 is mounted on the first rotating rod 22. The drive wheel 23 contacts 24, so that the main load-bearing roller 26 on the edging channel steel 24 can roll and rotate accordingly. A control box 18 is mounted on the hanging ladder 14, and a main controller 19 for controlling the entire device is mounted in the control box 18. A touch sensor 20 for sensing collision is also provided in the control box 18, and the drive assembly is connected to the control box 18.

[0025] In this embodiment, the driving assembly is provided to drive the reduction motor, and after being energized, the driving wheel can be rotated, thereby driving the movable hanging ladder to move parallely.

[0026] In specific applications, the suspension component of this device is installed on the secondary windproof ring 9 of the floating roof tank, and is connected to the tank by the main load-bearing roller 6, safety protection wheel 8, and suspension safety anchor point. The overhanging part is connected to the tank reinforcement ring by two sets of high-strength nylon support wheels 15, and the top of the device is equipped with two steel hanging rings 3. They are suspended on the angle steel support outside the first-level windproof ring 2 with a 14mm steel wire rope 4, which serves as a safety anchor point for the mobile hanging ladder device to prevent the device from falling. The device is manufactured and installed in the form of riveting and welding. The main bearing points are reinforced and connected with a socket structure. The main body adopts the installation method combining welding and bolting, which optimizes the rationality of the device structure. The total height is 18.9m, the working surface width is 1.2m, the thickness of the device ladder is 0.75m, and 12# I-beam is used as the main load-bearing beam, 120mm channel steel is used as the vertical load-bearing longitudinal beam 10, the lower overhanging ladder body adopts 63-type angle steel as the overhanging frame, and 50-type angle steel is the hanging ladder beam 13. All connection points are connected by welding, and the hanging ladder body sections are connected by bolts. The bolts are M8.8 high-strength bolts. The overall structure has uniform tension and reasonable structural design.

[0027] In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle", "inside", "top", "bottom end", etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified or limited, the terms "mounted", "connected", and "connected" should be understood in a broad sense, for example, they can mean fixed connection, detachable connection, or integral connection; they can mean mechanical connection or electrical connection; they can mean direct connection, indirect connection through an intermediate medium, or internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalent features for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A movable hanging ladder, characterized in that: The invention comprises a tank wall (1), wherein the upper part of the tank wall (1) is provided with a primary wind-resistant ring (2) and a secondary wind-resistant ring (9), the outer side of the secondary wind-resistant ring (9) is provided with a rimmed steel groove (7), and the rimmed steel groove (7) is connected to a suspension mechanism (5), and the secondary wind-resistant ring (9) and the rimmed steel groove (7) are provided with a main load-bearing roller (6) and a protective wheel (8), respectively, a driving assembly is provided on one side of the main load-bearing roller (6), and a steel hanging ring ( 3), and a steel hanging ring (3) is connected to a steel wire rope (4), the steel hanging ring (3) is connected to the first-level windproof ring (2) by the steel wire rope (4), both ends of the suspension mechanism (5) are installed with springs (24) and dampers used in conjunction with the springs (24), the bottom end of the suspension mechanism (5) is connected to a hanging ladder (14), one side of the hanging ladder (14) is installed with two groups of nylon support wheels (15), and the other ends of the two groups of nylon support wheels (15) are connected to the tank reinforcement ring (16).

2. A movable hanging ladder according to claim 1, characterized in that: A reduction motor (21) is installed on the driving assembly, a first rotating rod (22) is installed on the output end of the reduction motor (21), and a driving wheel (23) is installed on the first rotating rod (22). The driving wheel (23) contacts the top of the steel groove (7) of the windproof ring. When powered on, the driving wheel (23) can rotate, thereby driving the movable hanging ladder to move parallely.

3. The movable hanging ladder according to claim 1, characterized in that: A control box (18) is installed on the hanging ladder (14), a main controller (19) for controlling the entire device is installed in the control box (18), a touch sensor (20) for sensing collision is also provided in the control box (18), and the drive assembly is connected to the control box (18).

4. The movable hanging ladder according to claim 1, characterized in that: A load-bearing longitudinal beam (10) and a supporting cross beam (11) are fixedly mounted on the suspension mechanism (5), and a hanging ladder (14) is mounted at the bottom end of the suspension mechanism (5).

5. The movable hanging ladder according to claim 1, characterized in that: The hanging mechanism (5) is connected to the hanging ladder (14) via a tightening inclined support member (12), and a hanging ladder crossbeam (13) is fixedly mounted on the hanging ladder (14).

6. The movable hanging ladder according to claim 1, characterized in that: The total height of the hanging ladder (14) is 19.20m, the working surface width is 1.2m, the ladder body thickness is 0.75m, and 12# I-beam is used as the main load-bearing beam and 120mm channel steel is used as the vertical load-bearing longitudinal beam.

Images