CN206830039U - A kind of emergency staircase - Google Patents

Abstract

The utility model discloses a kind of emergency staircase, include in structure：Slide bar (1), ladder bars (2), support bar (3), carriage (4), rotation lowering or hoisting gear (5), it is characterised in that：The slide bar (1) that can be horizontally slipped is provided with ladder bars (2), it is provided with slide bar (1) upper end and rotates lowering or hoisting gear (5), sliding recess (1 1) is provided among slide bar (1), the carriage (4) with hook (4 1) is provided with slide bar groove (1 1), hook (4 1) is provided with carriage (4), hook (4 1) is connected by turning part (4 2) with sliding central block (4 4), movable pulley (4 3) is provided with central block (4 4) is slided, turning part (4 2) can be by fixed block (4 6), fixture block (4 5), which is realized, to be rotated, hook (4 1) can be achieved built-in not exposed simultaneously.The utility model, which can be realized, provides a kind of new structure safety ladder, realize people individually when operation on ladder can safely and conveniently fetching tool, have it is easy to use, it is economical and practical, safe and reliable, the characteristics of.

Description

A kind of emergency staircase

Technical field

Ladder technical field is the utility model is related to, especially a kind of emergency staircase.

Background technology

Being shown according to U.S.'s industry and commerce office data, entire United States have 25383 people to fall injury from ladder at work in 1 year, wherein There is 95 people death, and there is 30% injury to ask for leave more than 30 days in the wounded.So ladder safe handling is not minor matter.At present, exist It is easiest to cause worker's fallen accident when construction operation on ladder, because worker needs ladder fetching tool up and down, this Add existing potential safety hazard during worker's construction operation.Therefore, we are devised one and can used with the hanging hook of hand-operated lifting To hang and take tool box, in order that convenience, we can be manually rotated fixable handle in ladder tip designs, and We use hook structures, can directly catch on tool box and be lifted.The difference of height, our lifting are used according to ladder Rotating device can be with the fixation of implementation tool case different height, the use of convenient use person.

Utility model content

The purpose of this utility model is to provide a kind of new structure safety ladder, to solve existing for above-mentioned prior art Defect, there is the characteristics of easy to use, economical and practical, safe and reliable.

Technical scheme provided by the utility model is：A kind of new structure safety ladder, includes in structure：Slide bar, Ladder bars, support bar, carriage, rotation lowering or hoisting gear, it is characterised in that：The slide bar that can be horizontally slipped is provided with ladder bars, Slide bar upper end is provided with rotation lowering or hoisting gear, sliding recess is provided among slide bar, buckle is provided with slide bar groove The carriage of son.

Hook is provided with described carriage, hook is connected by turning part with sliding central block, is sliding central block On be provided with movable pulley, turn part and can realize by fixed block, fixture block to rotate, at the same hook can realize it is built-in not exposed.

Described rotation lowering or hoisting gear is provided with trilobal cross slotted eye with slide bar bearing, and swing handle may be inserted into trilobal cross Slotted eye, steel wire rope is wound with the outside of lowering or hoisting gear rotating, steel wire rope is ensconced in sliding recess and its other end is connected with sliding shoe.

Described rotation lowering or hoisting gear be provided with can push-and-pull promotion handle.Carriage can be by rotating lowering or hoisting gear Realization slides up and down and fixing function.

The utility model, which can be realized, provides a kind of new structure safety ladder, realize people individually on ladder operation when Wait can safely and conveniently fetching tool, have it is easy to use, it is economical and practical, safe and reliable, the characteristics of.

Brief description of the drawings

Fig. 1 is lifting work view of the present utility model；

Fig. 2 is off working state schematic diagram of the present utility model；

Fig. 3,4 be carriage of the present utility model schematic diagram；

Fig. 5 is rotation lowering or hoisting gear schematic diagram of the present utility model；

Wherein：1st, slide bar；2nd, ladder bars；3rd, support bar；4th, carriage；5th, lowering or hoisting gear is rotated；1-1, slide bar groove；4- 1st, hook；4-2, turn part；4-3, movable pulley；4-4, slide central block；4-5, fixture block；4-6, fixed block；5-1, swing handle；5- 2nd, trilobal cross slotted eye.

Embodiment：

Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model is not merely It is limited to these embodiments.The utility model covers any replacement made in spirit and scope of the present utility model, modification, equivalent Method and scheme.

Thoroughly understand in order that the public has to the utility model, in following the utility model preferred embodiment specifically Understand concrete details, and description without these details can also understand that this practicality is new completely for a person skilled in the art Type.

The utility model is more specifically described by way of example referring to the drawings in the following passage.It should be noted that accompanying drawing Non- accurately ratio is used using more simplified form and, only to convenience, lucidly aid in illustrating the utility model The purpose of embodiment.

As shown in accompanying drawing 1-5, in lifting work state, slide bar 1 is slided into emergency staircase centre position, carriage 4 On hook 4-1 hookings tool box, the swing handle 5-1 set on the rotation lowering or hoisting gear 5 on the top of slide bar 1 pulls out, now Swing handle 5-1 can be rotated by hand to realize the lifting of carriage 4, until when tool box rises to proper height, can be passed through The fixation of the different height of carriage 4 will be realized in swing handle 5-1 insertion trilobal cross slotted eyes 5-2.

The emergency staircase includes, slide bar 1, ladder bars 2, support bar 3, carriage 4 and rotation lowering or hoisting gear 5, is set in ladder bars 2 The slide bar 1 that can be horizontally slipped is equipped with, is provided with the upper end of slide bar 1 and rotates lowering or hoisting gear 5, slip is provided among slide bar 1 Groove 1-1, the carriage 4 with hook 4-1 is provided with slide bar groove 1-1.

Hook 4-1 is provided with carriage 4, hook 4-1 is connected with sliding central block 4-4 by turning part 4-2, slided Movable pulley 4-3 is provided with central block 4-4, rotation, while hook 4-1 can be realized by fixed block 4-6, fixture block 4-5 by turning part 4-2 It can be achieved built-in not exposed.

Slide bar bearing is provided with trilobal cross slotted eye 5-2, swing handle 5-1 in rotation lowering or hoisting gear 5 and may be inserted into three Blade profile slotted eye 5-2, steel wire rope is wound with rotating the outside of lowering or hoisting gear 5, steel wire rope ensconce in sliding recess 1-1 and its other end with Sliding shoe slides central block 4-4 connections.

Rotate lowering or hoisting gear 5 be provided with can push-and-pull promotion handle 5-1；Carriage 4 can be by rotating lowering or hoisting gear 5 Realization slides up and down and fixing function.

As shown in accompanying drawing 2,4, in off working state, slide bar 1, emergency staircase side can be slid into and abut support bar 3, turned Part (4-2) can be realized by fixed block (4-6), fixture block (4-5) and rotated, while hook (4-1) is not achievable built-in exposed.

The top of support bar 3 can be designed to bend concave inward structure, be to be not easy inclination to skew by columnar object.This practicality New emergency staircase can use insulation antistatic material.

In summary, the utility model provides a kind of new structure safety ladder, solves worker when current ladder uses Tool box can not freely be carried, the drawbacks such as potential safety hazard be present, there is the characteristics of easy to use, economical and practical, safe and reliable.

Although embodiment is separately illustrated and illustrated above, it is related to the common technology in part, in ordinary skill Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then Refer to another embodiment on the books.

Embodiments described above, the restriction to the technical scheme protection domain is not formed.It is any in above-mentioned implementation Modifications, equivalent substitutions and improvements made within the spirit and principle of mode etc., should be included in the protection model of the technical scheme Within enclosing.

Claims (4)

1. a kind of emergency staircase, includes in structure：Slide bar (1), ladder bars (2), support bar (3), carriage (4), rotation lifting Device (5), it is characterised in that：The slide bar (1) that can be horizontally slipped is provided with ladder bars (2), is provided with and turns in slide bar (1) upper end Dynamic lowering or hoisting gear (5), sliding recess (1-1) is provided among slide bar (1), and band hook is provided with slide bar groove (1-1) The carriage (4) of (4-1).

A kind of 2. emergency staircase according to claim 1, it is characterised in that：Hook (4-1), hook are provided with carriage (4) Sub (4-1) is connected by turning part (4-2) with sliding central block (4-4), and movable pulley (4- is provided with central block (4-4) is slided 3) rotation can be realized by fixed block (4-6), fixture block (4-5) by, turning part (4-2), while hook (4-1) is not achievable built-in outer Dew.

3. according to a kind of emergency staircase described in claim 2, it is characterised in that：Set rotating lowering or hoisting gear (5) with slide bar bearing There is trilobal cross slotted eye (5-2), swing handle (5-1) may be inserted into trilobal cross slotted eye (5-2), rotate on the outside of lowering or hoisting gear (5) Steel wire rope is wound with, steel wire rope is ensconced in sliding recess (1-1) and its other end slides central block (4-4) with sliding shoe and is connected.

4. according to a kind of emergency staircase described in claim 1, it is characterised in that：Rotate lowering or hoisting gear (5) be provided with can push-and-pull promotion Handle (5-1)；Carriage (4) can be slided up and down by rotating lowering or hoisting gear (5) realization and fixing function.