CN111569283B

CN111569283B - Escape ladder with wide application range

Info

Publication number: CN111569283B
Application number: CN202010421885.8A
Authority: CN
Inventors: 王磊
Original assignee: Fire Rescue Brigade Of Ningbo National Hi Tech Industrial Development Zone
Current assignee: Fire Rescue Brigade Of Ningbo National Hi Tech Industrial Development Zone
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-09-03
Anticipated expiration: 2040-05-19
Also published as: CN111569283A

Abstract

The invention discloses an escape ladder with a wide application range, which comprises an escape rope body and a fixing component arranged at the upper end of the escape rope body, wherein the fixing component comprises two obliquely arranged supporting plates, a force bearing plate arranged between the two wall body supporting plates and two symmetrically arranged handrails, a supporting structure which is in interference fit with a wall body is arranged on the inner side of each supporting plate, a plurality of pedals are arranged on the outer sides of the supporting plates, and a window frame fixing part is arranged below the force bearing plate. The force bearing plate can be stably arranged at the window edge with the window frame through the arrangement of the window frame fixing part, and the situation that the force bearing plate cannot be horizontally arranged at the window edge due to the raised window edge is avoided, so that the application range of the device is enlarged.

Description

Escape ladder with wide application range

Technical Field

The invention relates to the technical field of escape ladders, in particular to an escape ladder with a wide application range.

Background

The escape ladder is also called as a fire ladder, is a building facility as an escape passage in the case of fire, various national fire control laws are provided with specified settings and are arranged in the fire license inspection project of a building, the escape ladder is usually different from a main daily staircase and is set as the characteristic of a second passage, a plurality of early buildings are arranged outside the building in the form of a welded iron frame in the United states, later-built buildings are based on factors such as beauty, the escape ladder is changed into the building, a thick and heavy fireproof door which is easy to open in a single direction is used for avoiding fire and smoke from jumping to various floors along the escape ladder, and the escape ladder is used for quickly escaping from the roofs to the ground under the condition of fire danger and is a key life-saving action.

Current emergency ladder adopts two couples to hang in the window limit usually, and at the in-process that the person of fleing climbs downwards, thereby the couple position is not hard up easily and leads to the poor stability of emergency ladder, produces great pressure to the psychology of the person of fleing, influences the speed of fleing of the person of fleing, all installs the window frame on the current window simultaneously and is used for fixed glass, and the window frame can play certain hindrance effect when fixed emergency ladder and lead to the installation of emergency ladder unstable.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an escape ladder which is beneficial to improving the escape speed and has firm installation and wide application range.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a wide emergency ladder of application scope, includes the rope body of fleing and locates the fixed subassembly of the rope body upper end of fleing, fixed subassembly includes the backup pad that two slopes set up and locates two load board between the backup pad, the backup pad inboard is equipped with contradicts complex bearing structure with the wall body, the backup pad outside is equipped with a plurality of footboards, load board below is equipped with window frame fixed part.

The invention has the following advantages:

1. according to the invention, the bearing plates are arranged on the window edge in a spanning manner, and the supporting structures on the supporting plates on the two sides are in interference fit with the wall bodies on the inner side and the outer side of the window edge, so that the escape ladder has higher stability after being fixed by the fixing component, and the shaking amplitude of the escape ladder is inhibited in the process of downward climbing of an escaper, thereby improving the escape speed of the escaper and being beneficial to improving the escape success rate.

2. The setting of footboard is convenient for the person of fleing to climb to the load board under urgent incident and on the footboard through the opposite side removed to the rope body of fleing, and rotatable health makes its back outwards when the person of fleing on the load board, compares traditional directly to turn over the window and removes to the emergency ladder on for the person of fleing removes safer when on the rope body of fleing, and the climbing of the person of fleing is then convenient for to the backup pad that the slope set up.

3. The setting of window frame fixed part makes the ability of installing in the window limit that has the window frame of bearing board stable, avoids bellied window limit to lead to the unable horizontally of bearing board to install in the window limit to make the application scope of this device increase.

Preferably, the window frame fixing component comprises two oppositely arranged clamping parts and a driving structure for driving the two clamping parts to approach, and a clamping gap is formed between the two clamping parts.

Preferably, an inclined surface is provided below the clamping portions, and flares are formed between the inclined surfaces of the two clamping portions at intervals.

Preferably, the pressing portion is provided below the holding portion.

Preferably, the driving structure comprises a plurality of telescopic rod bodies arranged between the clamping portion and the supporting plate, each telescopic rod body comprises a movable rod connected with the clamping portion, a movable sleeve connected with the supporting plate and a reset elastic piece arranged in the movable sleeve, and one end of each movable rod is inserted into the corresponding movable sleeve and can slide relative to the corresponding movable sleeve.

Preferably, the support structure includes a plurality of support portions disposed inside the support plate and abutting plates disposed at inner ends of the support portions, and an abutting gap for engaging with the wall is formed between two adjacent abutting plates.

Preferably, the two adjacent supporting parts are connected by at least two reinforcing ribs.

Preferably, the escape rope body comprises two vertical ropes arranged longitudinally and a plurality of pedal ropes distributed transversely, the pedal ropes are distributed in parallel at equal intervals along the height direction of the vertical ropes, a first through hole is formed in a pedal of one support plate, a second through hole is formed in a support part of the other support plate, a fixing hole is formed in the support plate, a rope penetrating channel is formed in the bearing plate, and the upper end of the vertical rope sequentially penetrates through the first through hole, the rope penetrating channel, the second through hole and the fixing hole and is fixedly connected with a fixing part.

Preferably, the outer side of the escape rope body is covered with a protective cover, and the protective cover and the escape rope body are arranged at the same height.

Preferably, the protective cover comprises a plurality of lantern rings arranged from top to bottom at equal intervals and fireproof cloth used for connecting two adjacent lantern rings, and the lantern ring at the uppermost end is fixedly connected with the fixing component.

Compared with the prior art, the bearing plate can be stably arranged at the window edge with the window frame through the arrangement of the window frame fixing part, and the bearing plate cannot be horizontally arranged at the window edge due to the raised window edge is avoided, so that the application range of the device is enlarged.

Drawings

FIG. l is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of FIG. 1 at A;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a partial schematic view of FIG. 3 at B;

FIG. 5 is a partial schematic view at C of FIG. 3;

FIG. 6 is a partial schematic view of FIG. 3 at D;

FIG. 7 is a partial schematic view at E of FIG. 3;

in the figure, 1, an escape rope body; 11. a hanging rope; 12. treading a rope; 121. treading cloth; 1211. a cable-stayed strap; 2. a fixing assembly; 21. a support plate; 211. a pedal; 2111. a first through hole; 212. a fixing hole; 213. a fixed part; 22. a bearing plate; 221. a rope threading channel; 24. a support portion; 241. reinforcing ribs; 242. a second through hole; 25. a butt joint plate; 251. an abutment gap; 3. a protective cover; 31. a collar; 32. fireproof cloth; 4. a window frame fixing member; 41. a clamping portion; 411. a clamping gap; 412. a bevel; 413. flaring; 414. a pressing section; 42. a telescopic rod body; 421. a movable rod; 422. a movable sleeve; 423. the elastic member is reset.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-7, an escape ladder with a wide application range comprises an escape rope body 1 and a fixing component 2 arranged at the upper end of the escape rope body 1, wherein the fixing component 2 comprises two supporting plates 21 arranged in an inclined manner and a bearing plate 22 arranged between the two supporting plates 21, two ends of the bearing plate 22 are fixedly connected with the upper ends of the two supporting plates 21 in an integrated manner respectively, the bearing plate 22 is a plate body arranged horizontally, a person escaping from the escape can turn around on the bearing plate 22 to adjust the bearing plate to a proper angle position, a supporting structure matched with a wall body in a butting manner is arranged on the inner side of the supporting plate 21, a plurality of pedals 211 are arranged on the outer side of the supporting plate 21, the pedals 211 are arranged at equal intervals along the height direction of the supporting plate 21, and a window frame fixing part 4 is arranged below the bearing plate 22.

Specifically, the window frame fixing component 4 includes two clamping portions 41 arranged oppositely and a driving structure for driving the two clamping portions 41 to approach each other, the two clamping portions 41 are respectively arranged at two sides close to the support plate 21, a clamping gap 411 is formed between the two clamping portions 41, the clamping gap 411 is formed by spacing the two clamping portions 41, the upper end of each clamping portion 41 always abuts against the lower end face of the bearing plate 22, when the window frame fixing component 4 is fixed on the window frame, the bearing plate 22 is supported on the wall of the window through the clamping portions 41, and the situation that the bearing area is greatly reduced due to the fact that the bearing plate 22 times the length of the window frame is placed is avoided; in this embodiment, the inclined planes 412 are disposed below the clamping portions 41, the flaring 413 is formed between the inclined planes 412 of the two clamping portions 41 at intervals, and the flaring 413 is disposed, so that the escape personnel can press the edge of the window frame downwards to enter the clamping gap 411 through the flaring 413 when the escape personnel install the device beside the window, without manual operation, thereby increasing the speed of the device and ensuring the escape speed.

In this embodiment, the lower side of the clamping portion 41 is provided with an extruding portion 414, the extruding portion 414 is a rubber layer adhered to the lower end surface of the clamping portion 41, the rubber layer has better deformation capability, when the clamping portion 41 is fixed on the window edge, the extruding portion 414 can replace the lower end surface of the clamping portion 41 to contact with the wall body on the window edge, even if more impurities are present on the wall body on the window edge, the extruding portion 414 made of rubber can also generate certain deformation to wrap the impurities, so that the contact area between the clamping portion 41 and the wall body on the window edge is increased, and the influence of the raised impurities on the installation levelness of the bearing plate 22 is avoided.

Specifically, the drive structure is including locating many flexible body of rod 42 between clamping part 41 and the backup pad 21, flexible body of rod 42 is including the movable rod 421 that links to each other with clamping part 41, the activity sleeve 422 that links to each other with backup pad 21 and locate the elastic component 423 that resets in the activity sleeve 422, movable rod 421 one end is pegged graft in activity sleeve 422 and can be slided movable sleeve 422 relatively, the elastic component 423 that resets chooses for use can follow the spring that the market available direct purchase was obtained, this elastic component 423 one end that resets links firmly on the inner wall of activity sleeve 422 through the welding, the other end then links firmly in movable rod 421 insert movable sleeve 422 inner through the welding, this elastic component 423 that resets is in the state that is compressed all the time, the elastic force that elastic component 423 that resets produced is used for driving clamping part 41 towards the action of the clamping part 41 of opposite side.

Specifically, the supporting structure comprises a plurality of supporting portions 24 arranged on the inner side of the supporting plate 21 and abutting plates 25 arranged at the inner ends of the supporting portions 24, the supporting portions 24 are a plurality of transversely extending plate bodies arranged at equal intervals along the height direction of the supporting plate 21, the outer ends of the supporting portions 24 are fixedly connected with the inner side of the supporting plate 21 in a welding mode, the inner ends of the supporting portions 24 are all located on the same vertical plane, the abutting plates 25 are vertically arranged and fixedly connected with the inner ends of the supporting portions 24 in a welding mode, and abutting gaps 251 used for clamping and connecting wall bodies are formed between every two adjacent abutting plates 25; the two abutting plates 25 firmly clamp the wall body in the abutting gap 251, so that the two abutting plates abut on the inner side and the outer side of the wall body respectively, and the fixing assembly cannot shake relative to the wall body in the state; the reinforcing rib helps to improve the relative stability between two adjacent supporting parts, so that the stability of the abutting plate on one side of the supporting parts is improved, and the stability of the abutting plate in abutting against a wall body is ensured.

Specifically, the escape rope body 1 comprises two vertical ropes 11 and a plurality of transversely-distributed stepping ropes 12, the plurality of stepping ropes 12 are distributed in parallel at equal intervals along the height direction of the vertical ropes 11, the vertical ropes 11 and the stepping ropes 12 are integrally spliced and woven by seamless hemp, the load bearing capacity is high, a first through hole 2111 is formed in a pedal 211 of one support plate 21, a second through hole 242 is formed in a support portion 24 of the other support plate 21, a fixing hole 212 is formed in the support plate 21, a rope threading channel 221 is formed in a bearing plate 22, the upper end of the vertical rope 11 sequentially penetrates through the first through hole 2111, the rope threading channel 221, the second through hole 242 and the fixing hole 212 and is fixedly connected with a fixing portion 213; (ii) a The upper end of the vertical rope is fixed on the inner supporting plate through a plurality of through holes and a rope threading channel, the fixing part is fixedly connected with the vertical rope relative to the fixing component at the upper end of the vertical rope, when an escaper is positioned on the escape rope body, the escape rope body generates downward falling force, after the vertical rope is stressed, the upper end of the vertical rope is fixedly connected with the fixing part, the fixing part generates acting force acting towards the direction of the wall body on the inner supporting plate, thereby preventing the inner supporting plate from shaking caused by outward bending due to heavy pulling force, the vertical rope passing through the rope threading channel generates downward acting force on the bearing plate after receiving pulling force, thereby ensuring the bearing plate to be butted against the window frame, enabling the fixing component to be clamped on the wall body as far as possible, after the vertical rope passing through the first through hole on the pedal receives pulling force, the supporting plate is obliquely arranged to generate inward acting force on the supporting plate, thereby driving the outer supporting plate to act towards the direction of the wall body, adopt above-mentioned structure setting to make the backup pad of both sides all can realize good joint purpose to the wall body, avoid the relative wall body of the in-process fixed subassembly of escaper at the climbing to produce and rock.

Specifically, the outer side of the escape rope body 1 is covered with a protective cover 3, and the protective cover 3 and the escape rope body 1 are arranged at the same height; in the process that the escaper climbs downwards through the escape rope body, dense smoke emitted from a window below the escape rope body moves upwards relative to the escape rope body, the escaper climbs in the dense smoke and is easy to breathe smoothly, so that the danger of falling is caused, the protective cover can effectively prevent the dense smoke from entering, and the safety coefficient of the escaper in the protective cover during escape is improved; in the escape process of children with small ages and light weights, rescue workers below the protective cover can pull the lower end of the protective cover outwards to enable the protective cover to be in an inclined state, and the children can slide downwards along the protective cover to achieve the escape purpose; in this embodiment, the protective cover 3 includes a plurality of lantern rings 31 arranged at equal intervals from top to bottom and a fireproof cloth 32 used for connecting two adjacent lantern rings 31, the lantern ring 31 at the top is fixedly connected with the fixing component 2 in a bonding manner, the lantern ring 31 is made of fireproof rubber, when a escaper is on the escape rope body, the gravity of the escaper can drive the protective cover to move towards the wall body, the lantern ring made of fireproof rubber can deform to be attached to the wall body in a certain manner when abutting against the wall body, and the friction force generated in the attached state can help to reduce the shaking of the protective cover in the suspended state; the fireproof cloth can block the spread of fire sources, when an escaper climbs to a floor on fire through the escape rope body, the fireproof cloth can prevent flames which are spread outwards from burning the escaper, when the escape ladder is not needed to be used, the fireproof cloth can be folded and stored, the storage space is reduced, the arrangement of the lantern ring can play a shaping role in the fireproof cloth, the fireproof cloth surrounds the outer side of the escape rope body, the escaper can smoothly pass through the inner side of the fireproof cloth, and the lantern ring has certain weight, after the protective cover is unfolded, the gravity of the lantern ring can ensure the complete unfolding of the protective cover, the purpose of unfolding the protective cover can be realized only by enabling the lower end of the protective cover to hang downwards, and the operation is simple and efficient; the fire prevention cloth has opacity, and the escaper can't see through the fire prevention cloth and observes the external world when climbing in the fire prevention cloth to can reduce the psychological pressure of escaper, the threatened height patient adopts the climbing of emergency ladder to seem very difficult, and they can produce the power of taking off symptom after realizing the difference in height on floor and ground, and then lost the ability of fleing, avoided the high escaper to cause danger when fleing through the emergency ladder.

In this embodiment, the escape rope 1 is fixedly connected to the inner side of the collar 31; when the lantern ring rocks along with the protection casing together, the rope body of fleing can rock together relatively the lantern ring to avoid the person of fleing to climb downwards along the rope body of fleing because the rocking of protection casing influences the smooth passing through of person of fleing, guarantee to have sufficient clearance between protection casing and the rope body of fleing and supply the person of fleing to pass.

In this embodiment, the stepping rope 12 is provided with a stepping cloth 121, two ends of the stepping cloth 121 are respectively provided with a diagonal-pulling belt 1211, the lower end of the diagonal-pulling belt 1211 is fixedly connected with the stepping cloth 121, and the upper end is fixedly connected with the vertical rope 11; the pedal cloth has the effect of increasing the stressed area of the foot of the person who flees, the safety factor of the escaping soft body is effectively improved, the overall design structure of the product is reasonable, the conception is ingenious, the inclined pulling belt enables the pedal cloth to be folded up and down, and the escape rope body can be conveniently stored.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides an emergency ladder that application scope is wide, includes the escape rope body (1) and locates fixed subassembly (2) of the escape rope body (1) upper end, its characterized in that: the fixing component (2) comprises two supporting plates (21) which are obliquely arranged and a bearing plate (22) which is arranged between the two supporting plates (21), wherein the inner sides of the supporting plates (21) are provided with supporting structures which are in conflict fit with a wall body, the outer sides of the supporting plates (21) are provided with a plurality of pedals (211), a window frame fixing component (4) is arranged below the bearing plate (22), the window frame fixing component (4) comprises two clamping parts (41) which are oppositely arranged and a driving structure which is used for driving the two clamping parts (41) to be close to each other, a clamping gap (411) is arranged between the two clamping parts (41), an inclined plane (412) is arranged below the clamping parts (41), flaring holes (413) are formed between the inclined planes (412) of the two clamping parts (41) at intervals, and the driving structure comprises a plurality of telescopic rod bodies (42) which are arranged between the clamping parts (41) and the supporting plates (21), the escape rope comprises a telescopic rod body (42) and a support structure, wherein the telescopic rod body (42) comprises a movable rod (421) connected with a clamping part (41), a movable sleeve (422) connected with the support plate (21) and a reset elastic piece (423) arranged in the movable sleeve (422), one end of the movable rod (421) is inserted into the movable sleeve (422) and can slide relative to the movable sleeve (422), the support structure comprises a plurality of support parts (24) arranged on the inner side of the support plate (21) and abutting plates (25) arranged at the inner ends of the support parts (24), an abutting gap (251) used for clamping a wall body is arranged between every two adjacent abutting plates (25), the escape rope body (1) comprises two vertical ropes (11) arranged longitudinally and a plurality of pedal ropes (12) distributed transversely, the plurality of pedal ropes (12) are distributed in parallel and at equal intervals along the height direction of the vertical ropes (11), one of the pedal (211) of the support plate (21) is provided with a first through hole (2111), and a second through hole (242) is formed in the supporting portion (24) of the other supporting plate (21), a fixing hole (212) is formed in the supporting plate (21), a rope threading channel (221) is formed in the bearing plate (22), and the upper end of the vertical rope (11) sequentially penetrates through the first through hole (2111), the rope threading channel (221), the second through hole (242) and the fixing hole (212) and is fixedly connected with a fixing portion (213).

2. The escape ladder with wide application range according to claim 1, characterized in that: a squeezing part (414) is arranged below the clamping part (41).

3. The escape ladder with wide application range according to claim 1, characterized in that: the two adjacent supporting parts (24) are connected through at least two reinforcing ribs (241).

4. The escape ladder with wide application range according to claim 1, characterized in that: the escape rope is characterized in that a protective cover (3) covers the outer side of the escape rope body (1), and the protective cover (3) and the escape rope body (1) are arranged at the same height.

5. The escape ladder with wide application range according to claim 4, wherein: the protection casing (3) are including a plurality of lantern rings (31) that from top to bottom equidistant setting and fire prevention cloth (32) that are used for connecting two adjacent lantern rings (31), lantern ring (31) and fixed subassembly (2) fixed connection that are in the top.