CN213491603U

CN213491603U - Fire-fighting escape ladder

Info

Publication number: CN213491603U
Application number: CN202022053179.0U
Authority: CN
Inventors: 罗挺; 屈科路
Original assignee: Sichuan Jian'an Weiye Construction Engineering Co ltd
Current assignee: Sichuan Jian'an Weiye Construction Engineering Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-22
Anticipated expiration: 2030-09-18

Abstract

The utility model relates to a fire escape ladder, it includes the guardrail, an escape opening has been seted up on the guardrail, the position that lies in the escape opening on the guardrail has two vertical decurrent montants through bolt fixed mounting along vertical direction, it is provided with a slide bar to slide on the montant, be provided with the spacing subassembly of self gliding second of restriction when being located the montant top on the slide bar, the articulated board of accepting that is provided with on the slide bar, it is provided with first railing and second railing to articulate on the board to accept, and be used for the connecting portion be connected with the guardrail, be provided with on the slide bar and be used for restricting and accept board pivoted first spacing subassembly, be provided with the decelerator who is used for reducing slide bar falling speed. When a fire disaster happens, the connecting part is opened, the bearing plate is placed in a horizontal state, the rotation of the bearing plate is limited through the first limiting assembly, the escape personnel stand on the bearing plate, the second limiting assembly is opened and starts to fall, the falling speed of the bearing plate is controlled through the speed reduction and rotation speed device, and therefore the escape personnel can safely reach the ground.

Description

Fire-fighting escape ladder

Technical Field

The application relates to the field of fire escape equipment, in particular to a fire escape ladder.

Background

An escape ladder is also called a fire ladder and is used as an escape device for building facilities in case of fire, and various national fire control laws are provided with regulations and are arranged in the project of examining fire licenses of buildings. The escape ladder is usually arranged as a second passage, different from the main daily stairway.

Many building structures set up in the balcony outside with the pattern of welding iron stand, can not constitute the building structure burden on the one hand, and the outdoor occupation indoor space that can not be located in the two aspects, and the chimney effect can be avoided to the tripartite conflagration comparison of fleing externally.

With respect to the related art among the above, there are the following drawbacks: because the balcony is generally provided with the enclosure and the fence, the escape ladder is very inconvenient to use in case of fire.

SUMMERY OF THE UTILITY MODEL

In order to facilitate escape in case of fire, the application provides a fire escape ladder.

The application provides a fire escape ladder adopts following technical scheme:

the utility model provides a fire escape ladder, is including setting up the guardrail on the balcony, the mouth of a fire has been seted up on the guardrail, the position that lies in the mouth of a fire on the guardrail is provided with the escape ladder main part, including two montants, it is provided with the slide bar to slide along vertical direction on the montant, two articulated setting is provided with accepts the board on the slide bar, the articulated shaft of accepting the board sets up along the horizontal direction, be provided with on the slide bar and be used for the restriction to accept board pivoted first locating part to and restriction self along the gliding second spacing subassembly of montant, be provided with on the guardrail and be used for restricting the gliding decelerator of slide bar, be provided with the connecting portion that are used for connecting.

Through adopting above-mentioned technical scheme, when not having a fire, fix the slide bar on the top of montant through the spacing subassembly of second, will accept the board and upwards rotate and close the mouth of escaping to be connected to on the montant through connecting portion. When a fire disaster happens, the connecting part is opened, the bearing plate is placed in a horizontal state, the rotation of the bearing plate is limited by the first limiting component, the escape personnel stand on the bearing plate, the second limiting component is opened and starts to fall, the falling speed of the bearing plate is controlled by the speed reduction and rotation speed device, and therefore the escape personnel can safely reach the ground. The escape opening is formed in the fence, the receiving plate is used for closing the escape opening at ordinary times, the receiving plate is put down when a fire disaster happens and the fire disaster happens, and the escape is carried out through the escape opening without the operations of climbing over a balcony and the like, so that the escape process is more convenient.

Preferably, decelerator includes speed reduction rope, drum and sleeve, the drum rotates and sets up on accepting the board, the one end of speed reduction rope sets firmly on the montant, and the other end is around establishing on the drum, the sleeve cover is established on the direction rope, and with accepting board fixed connection.

By adopting the technical scheme, when the escape device descends, the sleeve is held tightly, and the falling speed of the bearing plate is reduced through the friction force between the sleeve and the speed reducing rope, so that the escape device is safer, more stable and controllable during escape.

Preferably, the first limiting assembly comprises two support rods, one ends of the support rods are hinged to the slide rod, the other ends of the support rods are connected with the bottom wall of the bearing plate in a sliding mode, and limiting blocks used for limiting the support rods to slide are arranged on the bearing plate.

By adopting the technical scheme, when the bearing plate is folded, the stay bar slides to be parallel to the bearing plate, when the bearing plate is opened, the stay bar slides to be abutted against the limiting block along the width direction of the bearing plate, the bearing plate is supported, the bearing plate is kept horizontal, and the bearing plate is limited to rotate, so that the bearing plate is more stable.

Preferably, the spacing subassembly of second includes inserted bar, stay cord and extension spring, the inserted bar slides along the direction of perpendicular to montant and sets up on the slide bar, set up the jack that supplies the inserted bar to peg graft on the montant along the horizontal direction, the extension spring cover is established and is used for ordering about the inserted bar and peg graft with the jack in the one end that the montant was kept away from to the inserted bar, the stay cord sets firmly the one end of keeping away from the montant at the inserted bar.

Through adopting above-mentioned technical scheme, when accepting board and slide bar and being located the montant top, the inserted bar pegs graft with the jack under the effect of extension spring, and when needs descend, the jack is extracted with the inserted bar to the pulling stay cord to can make the slide bar begin to descend with accepting the board, it is more convenient to operate when making to flee.

Preferably, the connecting portion comprises two fixing lugs, and the two fixing lugs are respectively arranged on the bearing plate and the vertical rod.

Through adopting above-mentioned technical scheme, when accepting the board and receiving, connect two fixed ear coincidences through the latch fitting to accept the board and be connected with the montant, realize will accepting the board and pack up, effectively reduce the area when accepting the board and receiving.

Preferably, one side of accepting the board and keeping away from the articulated shaft is provided with first railing, it is provided with the second railing to accept board and articulated shaft vertically both sides edge.

Through adopting above-mentioned technical scheme, play the guard action to the personnel on the board of accepting, effectively avoid the decline in-process personnel of fleing to drop.

Preferably, first railing is articulated to be set up on accepting the board, and the articulated shaft is on a parallel with the articulated shaft of accepting board and slide bar, the articulated setting of second connecting rod is on first railing, the articulated shaft of second railing is on a parallel with the articulated shaft of first railing.

Through adopting above-mentioned technical scheme, when accepting the board and receiving, first railing upwards rotates to and accepts the board parallel, and the second connecting rod rotates to vertical state along with the rotation of first connecting rod, makes whole board and the railing of accepting all on vertical plane, has reduced the area when packing up.

Preferably, the inner wall of the sliding rod, which is in contact with the vertical rod, is provided with a friction layer.

By adopting the technical scheme, the friction between the sliding rod and the vertical rod is improved, the speed of the escape ladder during sliding is reduced, and the safety of the escape ladder is effectively improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the escape opening is formed in the guardrail, the two vertical rods are arranged at the position of the escape opening along the vertical direction, the sliding rods with the bearing plates are arranged on the vertical rods in a sliding mode along the vertical direction, when a fire disaster happens, an escape person can directly take the bearing plates from the escape opening to escape, and the escape process is more convenient;

2. the bearing plate is hinged on the sliding rod, and when the escape device is not used, the bearing plate can be rotated upwards to cover the escape opening, so that the occupied area is reduced, and the integrity of the guardrail is kept;

3. be provided with the speed reduction rope on the guardrail, the cover is equipped with the sleeve on the speed reduction rope, reduces the speed when descending through the frictional force between sleeve and the speed reduction rope during the decline, and is safer when making to flee.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of a receiving plate portion in the embodiment of the present application.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of a retracted state according to an embodiment of the present application.

Description of reference numerals: 1. a guardrail; 2. an escape opening; 3. a vertical rod; 4. a slide bar; 5. a bearing plate; 6. a first limit component; 61. a slide rail; 62. a stay bar; 63. connecting blocks; 64. a limiting block; 7. a second limiting component; 71. a fixed block; 72. inserting a rod; 73. a tension spring; 74. pulling a rope; 8. a reduction gear; 81. wire coils; 82. a deceleration rope; 83. a sleeve; 9. fixing the ear; 10. a first rail; 11. a second rail.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a fire escape ladder. Referring to fig. 1, the fire escape ladder includes guardrail 1, an escape opening 2 has been seted up on guardrail 1, the position that lies in escape opening 2 on guardrail 1 has two vertical decurrent montants 3 through bolt fixed mounting along vertical direction, it is provided with a slide bar 4 to slide on montant 3, be provided with the spacing subassembly 7 of restriction self gliding when being located montant 3 top on the slide bar 4, the articulated receiving plate 5 that is provided with on slide bar 4, the articulated first railing 10 and the second railing 11 that is provided with on receiving plate 5, and be used for the connecting portion be connected with montant 3, be provided with the first spacing subassembly 6 that is used for restricting receiving plate 5 pivoted on slide bar 4, be provided with the decelerator 8 that is used for reducing slide bar 4 falling speed on montant 3.

Referring to fig. 1 and 2, the slide rod 4 is a loop bar with a C-shaped cross section, an opening of the slide rod 4 faces one side of the guardrail 1, two slide rails 61 are arranged on side walls of two sides of the vertical rod 3 along the vertical direction, and vertical edges of two sides of the slide rod 4 are slidably arranged in the slide rails 61. The inner wall of the sliding rod 4, which is in contact with the vertical rod 3, is provided with a friction layer made of a semi-metal material, so that the friction force between the sliding rod 4 and the vertical rod 3 is increased.

Referring to fig. 1 and 2, a bearing plate 5 is hinged on the sliding rod 4, the length of the bearing plate 5 is equal to that of the escape opening 2, and the sliding rod 4 is provided with a first limiting component 6 for limiting the rotation of the bearing plate 5 and comprises two supporting rods 62. Two sliding rails 61 are installed at the position, corresponding to the sliding rod 4, of the bottom of the bearing plate 5 along the width direction of the bearing plate, a connecting block 63 is arranged on the cross rod in a sliding mode, one end of a supporting rod 62 is hinged to the connecting block 63, the other end of the supporting rod 62 is hinged to the bottom end of the sliding rod 4, and the hinged shaft is parallel to the hinged shaft of the bearing plate 5. The slide rail 61 is kept away from the one end welding of accepting the articulated shaft of board 5 and is had stopper 64, when accepting board 5 and changeing to the level, vaulting pole 62 orders about connecting block 63 and stopper 64 butt restriction and accepts board 5 and rotates, has effectively improved the stability of accepting board 5.

Referring to fig. 2, the vertical rod 3 is provided with a speed reducing device 8, which comprises a speed reducing rope 82, a wire coil 81 and a sleeve 83. The wire coil 81 is rotatably arranged on the bearing plate 5, the speed reducing rope 82 is wound on the wire coil 81, one end of the speed reducing rope is fixedly connected with the wire coil 81, and the other end of the speed reducing rope is fixedly connected with the vertical rod 3. The sleeve 83 is sleeved on the speed reducing rope 82, a connecting rod is welded at the bottom end of the sleeve, and the other end of the connecting rod is hinged to the bearing plate 5. The side wall of the sleeve 83 is provided with an opening, the sleeve 83 can deform into the sleeve 83 under the action of external force, the inner wall of the sleeve 83 is provided with a plurality of friction blocks which are in contact with the speed reducing rope 82, when the escape person falls, the escape person holds the sleeve 83 to apply the external force to drive the sleeve 83 to be in close contact with the speed reducing rope 82, so that the friction force is increased, and the speed of the bearing plate 5 in sliding is effectively reduced.

Referring to fig. 2 and 3, a fixed block 71 is welded on the top of the sliding rod 4, and a second limiting assembly 7 for limiting the sliding of the sliding rod 4 is arranged on the fixed block 71 and comprises an inserting rod 72, a tension spring 73 and a pull rope 74. The mounting box is provided with a through hole perpendicular to the vertical rod 3, the insertion rod 72 is arranged in the through hole in a sliding mode along the direction perpendicular to the vertical rod 3, a jack for inserting the insertion rod 72 is formed in the position, corresponding to the insertion rod 72, of the vertical rod 3, the tension spring 73 is sleeved on the insertion rod 72, and one end of the tension spring is welded with the insertion rod 72 while the other end of the tension spring is welded with the fixing block 71. A pull cord 74 is fixedly connected to the end of the plunger 72 remote from the socket. When the sliding rod 4 is located at the top end, the extension spring 73 drives the inserting rod 72 to be inserted into the inserting hole, so that the sliding rod 4 is limited to fall, and when the sliding rod 4 is required to fall, the pull rope 74 is pulled to drive the inserting rod 72 to leave the inserting hole, so that the sliding rod 4 can fall.

Referring to fig. 2 and 4, a first handrail 10 is hinged to one side edge of the bearing plate 5 away from the hinge shaft of the bearing plate, the first handrail 10 comprises a transverse rod and two vertical rods positioned at two ends of the transverse rod, one end of each vertical rod is hinged to the bearing plate 5, the hinge shaft is parallel to the hinge shaft of the bearing plate 5, and the other end of each vertical rod is welded to the transverse rod; accept 5 both sides of board and self articulated shaft vertically edge and be provided with second railing 11, second railing 11 includes a horizontal pole and a vertical pole, the one end of vertical pole with accept 5 articulated and articulated shafts and be on a parallel with accept 5 self articulated shafts of board, the other end is articulated with the horizontal pole, the one end and the vertical pole of horizontal pole are articulated, the other end is articulated with the horizontal pole of first railing 10 and the articulated shaft is on a parallel with accept 5 self articulated shafts of board. When the receiving plate 5 rotates to be vertical, the first handrail 10 and the second handrail 11 rotate to be on the same plane with the receiving plate 5, so that the occupied area is reduced, and the escape opening 2 is shielded; when the receiving plate 5 rotates to the horizontal position, the first rail 10 and the second rail 11 are perpendicular to the receiving plate 5, so that the falling of the escaper is effectively avoided.

Referring to fig. 2 and 4, be provided with the connecting portion of being connected with montant 3 when being used for vertical state on the board 5 of accepting, including two fixed ears 9, two fixed ears 9 weld respectively on accepting board 5 and montant 3, the perforation has all been seted up on two fixed ears 9, when accepting board 5 and rotating to vertical state, two fixed ears 9 mutually support, connect two fixed ears 9 through the tapered end, thereby the restriction accepts board 5 takes place to rotate, avoid personnel to fall from mouthful 2 of fleing, improved device security and stability.

The implementation principle of the fire-fighting escape ladder is that the bearing plate 5 is rotated to be in a vertical state to close the escape opening 2 when no fire occurs, so that people are prevented from falling from the escape opening 2 at ordinary times; when a fire disaster happens, the lock head is opened, the bearing plate 5 is rotated to a horizontal state and is supported through the support rod 62, the pull rope 74 is pulled to drive the insertion rod 72 to leave the insertion hole, so that the bearing plate 5 and the slide rod 4 begin to fall, the sleeve 83 is held to increase the friction force between the sleeve 83 and the speed reducing rope 82, the falling speed of the bearing plate 5 is reduced, the bearing plate 5 slides to the ground along the vertical rod 3, an escaper escapes from the fire disaster, the guardrail 1 does not need to be overturned during escape, the bearing plate 5 is directly opened, and the escape is directly and rapidly carried out, so that the escape process is more convenient and rapid.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fire escape ladder, is including setting up guardrail (1) on the balcony, its characterized in that: the escape opening (2) has been seted up on guardrail (1), the position that lies in escape opening (2) on guardrail (1) is provided with the emergency ladder main part, including two montants (3), it is provided with slide bar (4) to slide along vertical direction on montant (3), two articulated setting is provided with accepts board (5) on slide bar (4), the articulated shaft of accepting board (5) sets up along the horizontal direction, be provided with on slide bar (4) and be used for restricting to accept board (5) pivoted first spacing subassembly (6) to and restriction self along montant (3) gliding spacing subassembly of gliding second (7), be provided with on montant (3) and be used for restricting gliding decelerator (8) of slide bar (4), be provided with on montant (3) and be used for connecting the connecting portion of accepting board (5).

2. A fire escape ladder as defined in claim 1, wherein: speed reduction unit (8) include speed reduction rope (82), drum (81) and sleeve (83), drum (81) rotate and set up on accepting board (5), the one end of speed reduction rope (82) sets firmly on guardrail (1), and the other end is around establishing on drum (81), sleeve (83) cover is established on the direction rope, and with accepting board (5) fixed connection.

3. A fire escape ladder as defined in claim 1, wherein: first spacing subassembly (6) include two vaulting poles (62), the one end and the slide bar (4) of vaulting pole (62) are articulated, the other end and the diapire sliding connection who accepts board (5), it is used for restricting gliding stopper (64) of vaulting pole (62) to accept to be provided with on board (5).

4. A fire escape ladder as defined in claim 1, wherein: the spacing subassembly of second (7) is including inserted bar (72), stay cord (74) and extension spring (73), the direction slip setting of perpendicular to montant (3) is followed in inserted bar (72) is on slide bar (4), the jack that supplies inserted bar (72) to peg graft is seted up along the horizontal direction on montant (3), extension spring (73) cover is established and is used for ordering about inserted bar (72) and peg graft with the jack in the one end that montant (3) were kept away from in inserted bar (72), stay cord (74) set firmly the one end of keeping away from montant (3) in inserted bar (72).

5. A fire escape ladder as defined in claim 1, wherein: the connecting part comprises two fixing lugs (9), and the two fixing lugs (9) are respectively arranged on the bearing plate (5) and the vertical rod (3).

6. A fire escape ladder as defined in claim 1, wherein: one side of the bearing plate (5) far away from the articulated shaft is provided with a first railing (10), and the edges of two sides of the bearing plate (5) vertical to the articulated shaft are provided with second railings (11).

7. A fire escape ladder as defined in claim 6, wherein: first railing (10) are articulated to be set up on accepting board (5), and the articulated shaft is on a parallel with the articulated shaft of accepting board (5) and slide bar (4), articulated the setting on first railing (10) of second railing (11), the articulated shaft of second railing (11) is on a parallel with the articulated shaft of first railing (10).

8. A fire escape ladder as defined in claim 1, wherein: a friction layer is arranged on the inner wall of the sliding rod (4) which is contacted with the vertical rod (3).