CN210659890U

CN210659890U - Portable fire-fighting lifesaving extension ladder

Info

Publication number: CN210659890U
Application number: CN201920894038.6U
Authority: CN
Inventors: 王春光; 潘卫梅; 秦陈香; 付力龙; 徐建东
Original assignee: Fenghong Machinery Manufacturing Group Co Ltd
Current assignee: Fenghong Machinery Manufacturing Group Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-06-02
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a portable fire-fighting lifesaving extension ladder, which comprises a first extension ladder, a fixed block, a second extension ladder, a baffle, a slide block, a positioning hole and a supporting component, wherein both sides of one end of the first extension ladder are fixedly provided with the fixed block, both sides of the fixed block are provided with a chute, and both sides of the fixed block are provided with the second extension ladder, both sides of the second extension ladder are fixedly provided with the slide block, the slide block is matched with the chute, both sides of both ends of the second extension ladder are fixedly provided with the baffle, both sides of the slide block are provided with the positioning hole along the length direction at equal intervals, the utility model has the advantages of scientific and reasonable structure, safe and convenient use, when the fire-fighting lifesaving extension ladder is used, the slide block can move along the chute direction by pulling the second extension ladder, the length of the fire-fighting lifesaving extension ladder is adjusted, before the second extension ladder is pulled, the limiting plate compresses the return spring, so that the sliding block can freely move in the sliding groove.

Description

Portable fire-fighting lifesaving extension ladder

Technical Field

The utility model relates to a lifesaving equipment field specifically is a light fire control lifesaving draws ladder.

Background

The lifesaving equipment is made of high-strength high-quality aluminum alloy materials and can be used for rescuing people and extinguishing fire when people ascend and fire are relieved; particularly, no climbing vehicle exists in cities, a fire fighting channel is narrow, the climbing vehicle cannot reach a fire scene, and a common ladder cannot reach the required height on the scene, and the ladder can be matched with fire fighting and disaster relief; and can also be used for ascending maintenance and various ascending operations of factories, mines, multi-storey buildings and the like.

But the fire control lifesaving of existing market draws the ladder not only the structure complicated, and the function is single moreover, among the current fire control lifesaving ladder technique, does not effectively quick draw the ladder to the lifesaving and extends and the rigidity, simultaneously, draws the ladder to lean on the wall when using in the lifesaving, and the lifesaving draws the ladder and ground area of contact is less, leads to the lifesaving to draw the ladder to slide easily, causes the accident.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light fire control lifesaving draws ladder to solve the problem that proposes among the above-mentioned background art.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a light fire rescue extension ladder, draws ladder, baffle, slider, spout, locating component, locating hole and supporting component including first extension ladder, fixed block, second, first equal fixed mounting in extension ladder one end both sides has a fixed block, two the spout has all been seted up to the corresponding side of fixed block, two the corresponding side of fixed block is provided with the second and draws the ladder, the second draws the equal fixed mounting in ladder both sides to have a slider, and slider and spout cooperation, the second draws the equal fixed mounting in ladder both ends both sides to have a baffle, two the locating hole has all been seted up along the length direction equidistance in the slider both sides, two the inside locating component that all is provided with of fixed block, first extension ladder is kept away from fixed block end both sides and all is provided with the supporting.

As a further aspect of the present invention: the locating component comprises a first through hole, a locating pin, a ring groove, a limiting plate, a reset spring and a pull ring, wherein the first through hole and the second through hole are formed in the outer side of the fixing block, the locating pin is arranged in the first through hole, the locating pin is exposed out of the outer side end of the first through hole, the pull ring and the second through hole are arranged on the outer side end of the first through hole, the first through hole is formed in the middle of the ring groove in a concave mode, the second through hole is formed in the ring groove, the limiting plate is arranged in the ring groove.

As a further aspect of the present invention: the supporting component comprises a rotary table, threaded holes, fixing rods, a rotary shaft, a second through hole, fixing bolts and a fixing base, wherein the rotary table is fixedly mounted on two sides of the end of the fixing block in a far-away mode through a first extension ladder, threaded holes are formed in the outer side of the rotary table, the fixing rods are arranged on the outer side of the rotary table, the fixing rods are connected with the rotary table through the rotary shaft, the second through hole is formed in the outer side of the fixing rod, the fixing bolts are arranged in the second through hole, and the fixing rods are fixedly mounted on the ends of the rotary shaft in a far-away mode.

As a further aspect of the present invention: the locating pin runs through limiting plate and reset spring, and limiting plate and locating pin fixed connection.

As a further aspect of the present invention: one end of the reset spring abuts against the limiting plate, and the other end of the reset spring abuts against the inner wall of the annular groove.

As a further aspect of the present invention: the quantity of screw hole is 8, and the contained angle between the adjacent screw hole is 45.

As a further aspect of the present invention: the rotating shaft is fixedly installed at the center of the rotary table, and the distance between the rotating shaft and the second through hole is equal to the distance between the rotating shaft and the threaded hole.

As a further aspect of the present invention: the fixing bolt penetrates through the second through hole to be matched with the threaded hole.

As a further aspect of the present invention: reinforcing ribs are arranged on the periphery of the fixed rod.

As a further aspect of the present invention: the fixed base both sides all are provided with the rubber pad, the rubber pad outside all is provided with anti-skidding line.

The utility model has the advantages that: the utility model has the advantages of scientific and reasonable structure, convenient and safe use, when the fire-fighting lifesaving extension ladder is used, the slide block is moved along the direction of the chute by pulling the second extension ladder, the length of the fire-fighting lifesaving extension ladder is adjusted, before the second extension ladder is pulled, the positioning pin is moved out from the positioning hole by pulling the pull ring, the limiting plate compresses the reset spring, the slide block can freely move in the chute, after the second extension ladder is adjusted to a proper distance, the pull ring is loosened, the reset spring releases elastic potential energy to act on the limiting plate, the positioning pin is reset to be matched with the positioning hole to fix the second extension ladder, thereby being convenient for adjusting the distance of the second extension ladder, when the fire-fighting lifesaving extension ladder is used by leaning against the wall, the angle of the fixing rod is adjusted, the fixing base is contacted with the ground, and the fixing bolt is matched with the threaded hole to fix the fixing rod, the safety of the fire fighters is ensured.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a second ladder mounting structure of the present invention;

fig. 3 is an internal cross-sectional view of the fixing block of the present invention;

fig. 4 is a schematic structural view of the support assembly of the present invention;

in the figure: 1-a first pull ladder; 2, fixing blocks; 3-a second pull ladder; 4-a baffle plate; 5-a slide block; 6-a chute; 7. a positioning assembly; 71-a first via; 72-a locating pin; 73-an annular groove; 74-a limiting plate; 75-a return spring; 76-a pull ring; 8-positioning holes; 9-a support assembly; 91-rotating the disc; 92-a threaded hole; 93-a fixing rod; 94-a rotating shaft; 95-a second via; 96-fixing bolts; 97-fixed base.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a portable fire-fighting life-saving extension ladder comprises a first extension ladder 1, fixing blocks 2, a second extension ladder 3, a baffle 4, a slide block 5, a slide groove 6, a positioning component 7, positioning holes 8 and a supporting component 9, wherein the fixing blocks 2 are fixedly arranged on both sides of one end of the first extension ladder 1, the slide grooves 6 are arranged on both corresponding sides of the two fixing blocks 2, the second extension ladder 3 is arranged on the corresponding side of the two fixing blocks 2, the slide block 5 is fixedly arranged on both sides of the second extension ladder 3, the slide block 5 is matched with the slide groove 6, the baffle 4 is fixedly arranged on both sides of both ends of the second extension ladder 3, the positioning holes 8 are arranged on both sides of the two slide blocks 5 at equal intervals along the length direction, the positioning component 7 is arranged inside the two fixing blocks 2, the positioning component 7 comprises a first through hole 71, a positioning pin 72, an annular groove 73, a limiting plate 74, a, the positioning pins 72 are arranged in the two first through holes 71, the positioning pins 72 penetrate through the limiting plate 74 and the return spring 75, the limiting plate 74 is fixedly connected with the positioning pins 72, the positioning pins 72 are preferably reset, one end of the return spring 75 abuts against the limiting plate 74, the other end of the return spring 75 abuts against the inner wall of the annular groove 73, the return spring 75 is preferably extruded when the limiting plate 74 moves, pull rings 76 are arranged at the outer ends of the two positioning pins 72, which are exposed out of the first through holes 71, the peripheries of the middle parts of the two first through holes 71 are recessed to form the annular groove 73, the limiting plates 74 are arranged at the ends, which are far away from the pull rings 76, of the two annular grooves 73, the return springs 75 are arranged in the two annular grooves 73, the supporting assemblies 9 are arranged at the two sides, which are far away from the end of the fixing block 2, of the first pull ladder 1, the supporting, the two sides of the end, far away from the fixed block 2, of the first extension ladder 1 are fixedly provided with turntables 91, the outer sides of the turntables 91 are respectively provided with 8 threaded holes 92, the included angle between the adjacent threaded holes 92 is 45 degrees, the fixed rods 93 are preferably adjusted in multiple angles, the outer sides of the two turntables 91 are respectively provided with a fixed rod 93, reinforcing ribs are arranged on the periphery of each fixed rod 93, the strength of each fixed rod 93 is better enhanced, the service life of each fixed rod is prolonged, the two fixed rods 93 are connected with the turntables 91 through rotating shafts 94, the outer sides of the two fixed rods 93 are respectively provided with second through holes 95, the rotating shafts 94 are fixedly arranged at the centers of the turntables 91, the distances from the rotating shafts 94 to the second through holes 95 are equal to the distances from the rotating shafts 94 to the threaded holes 92, the fixed bolts 96 are preferably matched with the threaded holes 92, the fixing bolts 96, better messenger fixing bolt 96 is fixed dead lever 93, and two dead levers 93 keep away from the equal fixed mounting of pivot 94 end and have unable adjustment base 97, and unable adjustment base 97 both sides all are provided with the rubber pad, and the rubber pad outside all is provided with anti-skidding line, and the frictional force of better increase unable adjustment base 97 both sides prevents that unable adjustment base 97 from sliding.

The utility model discloses a theory of operation: when the fire-fighting lifesaving extension ladder is used, the slide block 5 is moved along the sliding chute 6 by pulling the second extension ladder 3, the length of the fire-fighting lifesaving extension ladder is adjusted, before the second extension ladder 3 is pulled, the positioning pin 72 is moved out of the positioning hole 8 by pulling the pull ring 76, the limiting plate 74 compresses the reset spring 75, the slide block 5 can freely move in the sliding chute 6, after the second extension ladder 3 is adjusted to a proper distance, the pull ring 76 is loosened, the reset spring 75 releases elastic potential energy to act on the limiting plate 74, the positioning pin 72 is reset to be matched with the positioning hole 8 to fix the second extension ladder 3, so that the distance of the second extension ladder 3 can be adjusted conveniently, when the fire-fighting lifesaving extension ladder is used by leaning against a wall, the angle of the fixing rod 93 is adjusted, the fixing base 97 is contacted with the ground, and the fixing bolt 96 is matched with the threaded hole 92 to fix the fixing rod 93, so that the support performance of, the safety of the fire fighters is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The portable fire-fighting lifesaving pull ladder is characterized by comprising a first pull ladder (1), fixed blocks (2), a second pull ladder (3), a baffle (4), a sliding block (5), a sliding groove (6), a positioning component (7), positioning holes (8) and a supporting component (9), wherein the fixed blocks (2) are fixedly arranged on two sides of one end of the first pull ladder (1), the sliding groove (6) is formed in the corresponding side of each fixed block (2), the second pull ladder (3) is arranged on the corresponding side of each fixed block (2), the sliding blocks (5) are fixedly arranged on two sides of the second pull ladder (3), the sliding blocks (5) are matched with the sliding groove (6), the baffle (4) is fixedly arranged on two sides of two ends of the second pull ladder (3), the positioning holes (8) are formed in the two sides of the sliding blocks (5) along the length direction, the positioning component (7) is arranged in each fixed block (2), the first extension ladder (1) is far away from the two sides of the end of the fixed block (2) and is provided with a supporting component (9).

2. The portable fire-fighting and life-saving extension ladder as claimed in claim 1, wherein the positioning assembly (7) comprises a first through hole (71), a positioning pin (72), an annular groove (73), a limiting plate (74), a return spring (75) and a pull ring (76), the first through hole (71) is formed in the outer side of each fixing block (2), the positioning pin (72) is arranged in each first through hole (71), the positioning pins (72) are exposed out of the outer side end of each first through hole (71) and are provided with the pull ring (76), the middle of each first through hole (71) is recessed all around to form the annular groove (73), the limiting plate (74) is arranged at the end, far away from the pull ring (76), in each annular groove (73), and the return spring (75) is arranged in each annular groove (73).

3. A portable fire-fighting life-saving extension ladder as claimed in claim 1, wherein the support assembly (9) comprises a rotary table (91), a threaded hole (92), a fixing rod (93), a rotary shaft (94), a second through hole (95), a fixing bolt (96) and a fixing base (97), the two sides of the first extension ladder (1) far away from the end of the fixed block (2) are both fixedly provided with turntables (91), the outer side of the turntable (91) is provided with threaded holes (92) and two fixing rods (93) and two are arranged on the outer side of the turntable (91) and connected with the outer side of the turntable (91) through rotating shafts (94), two second through holes (95) and two are formed in the outer side of the fixing rods (93), fixing bolts (96) and two are arranged inside the second through holes (95), and the fixing rods (93) are far away from the ends of the rotating shafts (94) and are fixedly provided with fixing bases (97).

4. A portable fire-fighting life-saving extension ladder as claimed in claim 2, wherein the positioning pin (72) penetrates through the limiting plate (74) and the return spring (75), and the limiting plate (74) is fixedly connected with the positioning pin (72).

5. A portable fire-fighting life-saving extension ladder as claimed in claim 2, wherein one end of the return spring (75) abuts against the limit plate (74), and the other end of the return spring (75) abuts against the inner wall of the annular groove (73).

6. A portable fire-saving and life-saving extension ladder as claimed in claim 3, wherein the number of the threaded holes (92) is 8, and the included angle between the adjacent threaded holes (92) is 45 °.

7. A portable fire-fighting life-saving extension ladder as claimed in claim 3, wherein the rotary shaft (94) is fixedly installed at the center of the rotary disc (91), and the distance from the rotary shaft (94) to the second through hole (95) is equal to the distance from the rotary shaft (94) to the threaded hole (92).

8. A portable fire-saving and life-saving ladder as claimed in claim 3, wherein the fixing bolt (96) is fitted into the threaded hole (92) through the second through hole (95).

9. A portable fire-fighting life-saving extension ladder as claimed in claim 3, wherein reinforcing ribs are arranged around the fixing rod (93).

10. A portable fire-fighting life-saving extension ladder as claimed in claim 3, wherein rubber pads are arranged on both sides of the fixed base (97), and anti-skid lines are arranged on the outer sides of the rubber pads.