Sliding ladder for escape and personnel passages

Abstract

The present invention discloses a slidable ladder for use in an escape passage and a personnel passage, comprising a ladder side plate, a square steel step, an upper support plate for the ladder, a lower support plate for the ladder and a sliding stop block, wherein the square steel step is fixedly connected between the ladder side plates, the upper support plate for the ladder is fixedly mounted on the upper end of the ladder side plates, the lower support plate for the ladder is fixedly mounted on the lower end of the ladder side plates, and the sliding stop block is mounted on the upper support plate for the ladder. The present invention discloses a slidable ladder for use in an escape passage and a personnel passage, which has a simple structure and can be operated conveniently and quickly, which not only meets the needs of normal personnel, but also solves the problem of unobstructed passage through the passage opening when hoisting injured persons or articles.

Description

Technical Field

[0001] The invention relates to a slidable straight ladder used for an escape passage and a personnel passage. Background Art

[0002] At present, no matter what type of ship, according to the SALAS Convention for the Safety of Life at Sea and the specifications of relevant classification societies, it is necessary to set up escape passages and personnel passages that meet the requirements. Such passages often need to extend from the cabin all the way up to the deck, and not only the climbing of personnel, but also the lifting of wounded persons and items must be considered. The straight ladders for climbing are fixed near the passages for the convenience of climbing. Those protruding from the passage openings often occupy the space at the passage openings, affecting the lifting of wounded persons and items. If the straight ladder needs to be kept away from the space at the lifting openings for lifting wounded persons, it will bring inconvenience and difficulty to the climbing of personnel. Summary of the invention

[0003] The purpose of the present invention is to provide a slidable straight ladder for use in an escape passage and a personnel passage, which can satisfy the needs of climbing and does not cause obstacles to lifting injured persons and articles.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: a slidable straight ladder for escape passages and personnel passages, comprising straight ladder side panels, square steel steps, an upper support plate of the straight ladder, a lower support plate of the straight ladder and a sliding limit block, the square steel steps are fixedly connected between the straight ladder side panels, the upper support plate of the straight ladder is fixedly installed on the upper end of the straight ladder side panels, the lower support plate of the straight ladder is fixedly installed on the lower end of the straight ladder side panels, and the sliding limit block is installed on the upper support plate of the straight ladder.

[0005] The upper support plate of the straight ladder is fixedly mounted on the upper end of the side plate of the straight ladder by means of bolts.

[0006] The lower support plate of the straight ladder is fixedly installed at the lower end of the side plate of the straight ladder by bolts.

[0007] The sliding limit block is fixed on the upper support plate of the straight ladder by means of positioning bolts.

[0008] The invention discloses a slidable straight ladder for an escape passage and a personnel passage, which has a simple structure and can be operated conveniently and quickly, and can meet the needs of normal personnel and solve the problem of unobstructed passage through the passage when lifting injured persons or articles. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The present invention is a front view of a slidable straight ladder used for an escape passage and a personnel passage.

[0010] Figure 2 The present invention is a side view of a slidable straight ladder used for an escape passage and a personnel passage.

[0011] Figure 3 yes Figure 2 Enlarged schematic diagram at point I.

[0012] Figure 4 The present invention is a schematic diagram of a slidable straight ladder used for an escape passage and a personnel passage arranged in a personnel passage.

[0013] Figure 5 The present invention is a schematic diagram of a slidable straight ladder used for an escape passage and a personnel passage arranged in an escape passage.

[0014] Figure 6 yes Figure 4 and Figure 5 AA section view.

[0015] Figure 7 The present invention is a schematic diagram showing a climbing state of a slidable straight ladder used for an escape passage and a personnel passage.

[0016] Figure 8 The present invention is a schematic diagram showing the object-hanging state of a slidable vertical ladder used for an escape passage and a personnel passage.

[0017] In the figure: 1. Ladder side plate; 2. Square steel step; 3. Upper support plate of ladder; 4. Lower support plate of ladder; 5. Bolt; 6. Sliding limit block; 7. Positioning bolt. DETAILED DESCRIPTION

[0018] like Figures 1 to 8 As shown, a slidable ladder for escape passages and personnel passages comprises a ladder side plate 1, a square steel step 2, an upper support plate 3 for the ladder, a lower support plate 4 for the ladder and a sliding stop block 6. The square steel step 2 is fixedly connected between the ladder side plates 1. The upper support plate 3 for the ladder is fixedly mounted on the upper end of the ladder side plate 1 by bolts 5. The lower support plate 4 for the ladder is fixedly mounted on the lower end of the ladder side plate 1 by bolts 5. The sliding stop block 6 is mounted on the upper support plate 3 for the ladder by positioning bolts 7. The upper support plate 3 for the ladder and the lower support plate 4 for the ladder are welded to the bulkhead. The upper end bolt can slide back and forth in the sliding slot, and is limited to two positions according to the sliding limit block 6. In the initial position, the ladder is in a vertical state for people to climb. At this time, the upper end bolt is at the outer end of the sliding slot, and the position is limited by the sliding limit block 6. When it is necessary to lift the wounded and objects, pull up the sliding limit block 6, and use the bolt at the bottom end of the ladder as the axis to pull the upper end of the ladder along the sliding slot to the inner end to make way for the escape or personnel passage hole. At this time, the ladder is tilted 3 degrees to one side of the bulkhead. In this state, the wounded or objects can be lifted and lifted out of the passage without obstacles.

[0019] After the slidable straight ladder of the present invention is installed, the initial position is that the straight ladder is in a vertical state, and this state is used for people to climb up and down. When it is necessary to lift a wounded person or an object, the sliding limit block is first pulled up, and then the straight ladder is slid to one side of the bulkhead, and then the sliding limit block is lowered to fix the straight ladder. At this time, the space at the passage opening becomes larger, and the wounded person or the object can be lifted conveniently. After the wounded person or the object is lifted, the sliding limit block is pulled up, and the straight ladder is pushed to slide to one side of the passage opening, and then the sliding limit block is lowered to fix the straight ladder. At this time, the straight ladder is restored to a vertical state for people to climb up and down.

Claims

1. A slidable vertical ladder for escape passages and personnel passages, characterized in that: The invention comprises a straight ladder side plate, a square steel step, an upper support plate of the straight ladder, a lower support plate of the straight ladder and a sliding limit block, wherein the square steel step is fixedly connected between the side plates of the straight ladder, the upper support plate of the straight ladder is fixedly mounted on the upper end of the side plate of the straight ladder, the lower support plate of the straight ladder is fixedly mounted on the lower end of the side plate of the straight ladder, the sliding limit block is mounted on the upper support plate of the straight ladder, the upper support plate of the straight ladder is fixedly mounted on the upper end of the side plate of the straight ladder by bolts, the lower support plate of the straight ladder is fixedly mounted on the lower end of the side plate of the straight ladder by bolts, and the sliding limit block is fixedly mounted on the upper support plate of the straight ladder by bolts. The positioning bolts are fixed on the upper support plate of the ladder. The bolts at the upper end of the ladder can slide back and forth in the sliding slot and are limited in two positions according to the sliding limit block. In the initial position, the ladder is in a vertical state for people to climb. At this time, the upper bolts are at the outer end of the sliding slot and are limited by the sliding limit block. When it is necessary to lift the wounded and items, pull up the sliding limit block and use the bolts at the bottom of the ladder as the axis to pull the upper end of the ladder along the sliding slot to the inner end to make way for escape or personnel passage holes. At this time, the ladder is tilted 3 degrees to one side of the bulkhead.

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